An area where the Stainless Steel 304 tube proves to be particularly useful is the Food and Beverage industry. This being said, the primary requirements of the food and beverage industry include high corrosion resistance along with good heat resisting capabilities in addition to being non-toxic when exposed to certain acidic or alkaline chemicals present in food or beverages.
Which is what makes the ASTM A554 grade mt304 square tube perfect. Having good weldable characteristics would mean that the ASTM A554 tp304 tube can be easily joint to other dissimilar shaped components pertaining to this industry. Similar to the most chemical processing industry, the food industry too, comprises of many smaller operations that ultimately yield the end product.
For instance, brewing, ultra high temperature heating, fermenting, mixing etc. Basically these operations occur at assorted temperature settings and thus, requires an alloy such as SS 304 seamless tubing to keep up with this process. Moreover, the 304 ss sanitary tubing used in the Food and Beverage industry does not tarnish and is relatively easy to keep clean. During the cleaning process of these equipment’s, the ASTM A270 tp304 tube is exposed to different reagents and chemicals, which again could cause some levels of stress to the tubes, if they were regular alloy grades.
However, since ss 304 tubing has a good level of resiliency, they have a longer life expectancy. And the fact that the Alloy 304 tube is able to perform very well in these conditions, make the alloy a wonderful addition to the Food and Beverage industry. Generally, the ASTM A778 tp304 tube produced tend to adhere to the specification strictly, which is why the finished product has a smooth surface and is free of defects.
Comapre price of 304 stainless steel tube with 316 stainless steel tube price list
| Grade and Specification |
|
| Stock Sizes |
1/8" To 30″NB Inch OD: 0.35 to 6.35mm |
| ASTM / ASME Standards | ASTM, ASME and API |
| Thickness Range | thickness ranging from 0.1 to 1.2mm and |
| Schedules | SCH80, SCH20, SCH60, SCH80, SCH30, SCH140, SCH160, STD, SCH120, XS, XXS, SCH40, |
| Most Selling types | LSAW /Seamless/ Fabricated /ERW/Welded Tubes |
| Available tubes Form | Hydraulic, Square, Rectangular, Round etc |
| Supply Length | Cut Length, Double Random, Single Random etc |
| Tubes End Finishing | Threaded, Plain End, Beveled End, |
Stainless steel 304 seamless Tubing comes in types of CDW tube, coiled tubing, U Tube and Hydraulic tubes. These Tubes are mainly used in condensers and Heat Exchanger. Buy ASTM a213 grade 304 tubes by checking the origin of raw material, Mill TC, Finish and Certificate EN 10204 3.1
Stainless Steel 304 Tube
Size: 1/8" To 30″NB Inch
OD: 0.35 to 6.35mm
| Description | Per Unit (INR) | Price in USD | Price in EURO |
|---|---|---|---|
| Stainless Steel Tube 304 Pvl Hypotube-skived Lenght 130mm,with Marker Bands & Sandblast | 213 | 2.89 | 2.38 |
| Stainless Steel Tube 304pvl Hypotube-skived Lenght 130mm,with Marker Bands & Sandblast | 213 | 2.89 | 2.38 |
| Stainless Steel Tube 304pvl Hypotube-skived Lenght 130mm,with Marker Bands & Sandblast | 200 | 2.71 | 2.24 |
| Ssrt304.03750.063.240.1/8hard Stst Rd Tube 304/304l.375 Odx0.063 240rl 1/8h-stainless Steel Tube ( 840 Ft/6.5 Usd Each | 3,973 | 53.88 | 44.49 |
| Ssrt304.0.3750.063.240.1/8hard Stst Rd Tube 304/304l.375 Odx0.063 240rl 1/8h-stainless Steel Tube (520 Ft/6.5usd Each) | 3,973 | 53.88 | 44.49 |
| Stainless Steel Welded Tubes Grade 304 | 141 | 1.91 | 1.58 |
| Aisi 304 1280 D.dia 20 (R/tax20/21.27)stainless Steel Tube | 628 | 8.52 | 7.03 |
| Aisi 304 1280 D.dia 25 (R/tax25/26.5)stainless Steel Tube | 783 | 10.62 | 8.77 |
| Stainless Seamless Steel Honed Tube Sus304 25*28*158.5mm(For Microscopes)(For Captive Consumption) | 2,842 | 38.54 | 31.82 |
| Stainless Steel Welded Round Tubes Grade 304 Ex-stock | 111 | 1.51 | 1.24 |
While choosing a stainless steel that should bear destructive conditions, austenitic hardened steels are ordinarily utilized. Moreover, numerous austenitic treated steels are weldable and formable. Two of the more usually utilized evaluations of austenitic stainless steel are grades 304 and 316
Utilize a delicate hammer or clip a bit of steel (level bar) to end of 304 pc for influence and curve. 300 arrangement is extreme not hard. Try not to utilize heat, spotless doesn't care for that. Make certain to twist towards the bar or line
An assortment of strategies can be utilized for bowing stainless steel tubing. On the off chance that the curve has a tight span, the tubing can be bend on a rotary-draw bender through a cycle called mandrel tube bending. Both welded and seamless tubing can be bended. At the point when the ideal sweep is tight, seamless generally bend better
| Stainless Steel Tube Size and Weight | ||||||||||||
| Wall Thickness in mm | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.6 | 3 | 3.2 | 3.6 |
| O. D. in mm Weight in kg/m | ||||||||||||
| 6 | 0.069 | 0.081 | 0.093 | 0.104 | 0.125 | 0.144 | 0.176 | – | – | – | – | – |
| 10 | 0.119 | 0.141 | 0.163 | 0.184 | 0.225 | 0.264 | 0.336 | – | – | – | – | – |
| 12.7 | 0.153 | 0.182 | 0.21 | 0.238 | 0.293 | 0.345 | 0.444 | – | – | – | – | – |
| 14 | 0.169 | 0.201 | 0.233 | 0.264 | 0.325 | 0.384 | 0.496 | – | – | – | – | – |
| 15.87 | 0.192 | 0.229 | 0.266 | 0.301 | 0.372 | 0.44 | 0.571 | 0.694 | – | – | – | – |
| 19 | 0.231 | 0.276 | 0.32 | 0.364 | 0.45 | 0.534 | 0.696 | 0.85 | 1.066 | 1.2 | 1.264 | – |
| 25 | 0.306 | 0.366 | 0.425 | 0.484 | 0.6 | 0.714 | 0.936 | 1.15 | 1.456 | 1.65 | 1.744 | 1.926 |
| 25.4 | 0.311 | 0.372 | 0.432 | 0.492 | 0.61 | 0.726 | 0.952 | 1.17 | 1.482 | 1.68 | 1.776 | 1.962 |
| 31.8 | – | – | – | – | – | 0.918 | 1.208 | 1.49 | 1.898 | 2.16 | 2.288 | 2.538 |
| 38 | – | – | – | – | – | 1.104 | 1.456 | 1.8 | 2.301 | 2.625 | 2.784 | 3.096 |
| 44.5 | – | – | – | – | – | 1.299 | 1.716 | 2.125 | 2.724 | 3.113 | 3.304 | 3.681 |
| 50.8 | – | – | – | – | – | – | 1.968 | 2.44 | 3.133 | 3.585 | 3.808 | 4.248 |
| 63.5 | – | – | – | – | – | – | 2.476 | 3.075 | 3.959 | 4.538 | 4.824 | 5.391 |
| 76.1 | – | – | – | – | – | – | 2.98 | 3.705 | 4.778 | 5.483 | 5.832 | 6.525 |
| 101.6 | – | – | – | – | – | – | 4 | 4.98 | 6.435 | 7.395 | 7.872 | 8.82 |
| 114.3 | – | – | – | – | – | – | 4.453 | 5.547 | 7.173 | 8.247 | 8.78 | 9.84 |
| 127 | – | – | – | – | – | – | 4.955 | 6.175 | 7.989 | 9.188 | 9.785 | 10.98 |
| 152.4 | – | – | – | – | – | – | 5.96 | 7.429 | 9.62 | 11.07 | 11.792 | 13.231 |
The 304 grade contains:
Meanwhile, 316 stainless contains:
304 and 316 stainless steel are different from each other. Here are three factors to consider:
common uses for the two grades:
304 Stainless Steel
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16" , 1/8" , 3/16" |
| .020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
| .012 | 1/8" |
| .016 | 1/8" , 3/16" |
| .028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
| .035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
| .083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
| .095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
| .109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
| .120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
| .125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
| .134 | 1" |
| .250 | 3" |
| .375 | 3 1/2" |
| OD inches | Ave. Wall inches | Min Yield Strength (PSI) | Min Tensile Strength (PSI) | Theoretical Burst Pressure * (PSI) | Working Pressure (PSI) 25% of Burst | Theoretical Yield Point ** (PSI) | Collapse Pressure *** (PSI) |
|---|---|---|---|---|---|---|---|
| 0.250 | 0.020 | 30,000 | 75,000 | 14,286 | 3,571 | 5,714 | 4,416 |
| 0.250 | 0.028 | 30,000 | 75,000 | 21,649 | 5,412 | 8,660 | 5,967 |
| 0.250 | 0.035 | 30,000 | 75,000 | 29,167 | 7,292 | 11,667 | 7,224 |
| 0.250 | 0.049 | 30,000 | 75,000 | 48,355 | 12,089 | 19,342 | 9,455 |
| 0.250 | 0.065 | 30,000 | 75,000 | 81,250 | 20,313 | 32,500 | 11,544 |
| 0.375 | 0.020 | 30,000 | 75,000 | 8,955 | 2,239 | 3,582 | 3,029 |
| 0.375 | 0.028 | 30,000 | 75,000 | 13,166 | 3,292 | 5,266 | 4,145 |
| 0.375 | 0.035 | 30,000 | 75,000 | 17,213 | 4,303 | 6,885 | 5,077 |
| 0.375 | 0.049 | 30,000 | 75,000 | 26,534 | 6,634 | 10,614 | 6,816 |
| 0.375 | 0.065 | 30,000 | 75,000 | 39,796 | 9,949 | 15,918 | 8,597 |
| 0.500 | 0.020 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,304 |
| 0.500 | 0.028 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.500 | 0.035 | 30,000 | 75,000 | 12,209 | 3,052 | 4,884 | 3,906 |
| 0.500 | 0.049 | 30,000 | 75,000 | 18,284 | 4,571 | 7,313 | 5,304 |
| 0.500 | 0.065 | 30,000 | 75,000 | 26,351 | 6,588 | 10,541 | 6,786 |
| 0.500 | 0.083 | 30,000 | 75,000 | 37,275 | 9,319 | 14,910 | 8,307 |
| 0.625 | 0.020 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.625 | 0.028 | 30,000 | 75,000 | 7,381 | 1,845 | 2,953 | 2,568 |
| 0.625 | 0.035 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.625 | 0.049 | 30,000 | 75,000 | 13,947 | 3,487 | 5,579 | 4,335 |
| 0.625 | 0.065 | 30,000 | 75,000 | 19,697 | 4,924 | 7,879 | 5,591 |
| 0.625 | 0.083 | 30,000 | 75,000 | 27,124 | 6,781 | 10,850 | 6,910 |
| 0.625 | 0.095 | 30,000 | 75,000 | 32,759 | 8,190 | 13,103 | 7,734 |
| 0.625 | 0.109 | 30,000 | 75,000 | 40,172 | 10,043 | 16,069 | 8,639 |
| 0.750 | 0.028 | 30,000 | 75,000 | 6,052 | 1,513 | 2,421 | 2,156 |
| 0.750 | 0.035 | 30,000 | 75,000 | 7,721 | 1,930 | 3,088 | 2,669 |
| 0.750 | 0.049 | 30,000 | 75,000 | 11,273 | 2,818 | 4,509 | 3,664 |
| 0.750 | 0.065 | 30,000 | 75,000 | 15,726 | 3,931 | 6,290 | 4,749 |
| 0.750 | 0.083 | 30,000 | 75,000 | 21,318 | 5,330 | 8,527 | 5,905 |
| 0.750 | 0.095 | 30,000 | 75,000 | 25,446 | 6,362 | 10,179 | 6,637 |
| 0.750 | 0.109 | 30,000 | 75,000 | 30,733 | 7,683 | 12,293 | 7,453 |
| 0.750 | 0.120 | 30,000 | 75,000 | 35,294 | 8,824 | 14,118 | 8,064 |
| 0.875 | 0.020 | 30,000 | 75,000 | 3,593 | 898 | 1,437 | 1,340 |
| 0.875 | 0.028 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.875 | 0.035 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,304 |
| 0.875 | 0.049 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.875 | 0.065 | 30,000 | 75,000 | 13,087 | 3,272 | 5,235 | 4,126 |
| 0.875 | 0.083 | 30,000 | 75,000 | 17,560 | 4,390 | 7,024 | 5,152 |
| 0.875 | 0.095 | 30,000 | 75,000 | 20,803 | 5,201 | 8,321 | 5,807 |
| 0.875 | 0.109 | 30,000 | 75,000 | 24,886 | 6,221 | 9,954 | 6,543 |
| 0.875 | 0.120 | 30,000 | 75,000 | 28,346 | 7,087 | 11,339 | 7,100 |
| 1.000 | 0.028 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.000 | 0.035 | 30,000 | 75,000 | 5,645 | 1,411 | 2,258 | 2,027 |
| 1.000 | 0.049 | 30,000 | 75,000 | 8,149 | 2,037 | 3,259 | 2,796 |
| 1.000 | 0.065 | 30,000 | 75,000 | 11,207 | 2,802 | 4,483 | 3,647 |
| 1.000 | 0.083 | 30,000 | 75,000 | 14,928 | 3,732 | 5,971 | 4,567 |
| 1.000 | 0.095 | 30,000 | 75,000 | 17,593 | 4,398 | 7,037 | 5,159 |
| 1.000 | 0.109 | 30,000 | 75,000 | 20,908 | 5,227 | 8,363 | 5,827 |
| 1.000 | 0.120 | 30,000 | 75,000 | 23,684 | 5,921 | 9,474 | 6,336 |
| 1.000 | 0.134 | 30,000 | 75,000 | 27,459 | 6,865 | 10,984 | 6,963 |
| 1.250 | 0.035 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.250 | 0.049 | 30,000 | 75,000 | 6,380 | 1,595 | 2,552 | 2,260 |
| 1.250 | 0.065 | 30,000 | 75,000 | 8,705 | 2,176 | 3,482 | 2,958 |
| 1.250 | 0.083 | 30,000 | 75,000 | 11,485 | 2,871 | 4,594 | 3,719 |
| 1.250 | 0.095 | 30,000 | 75,000 | 13,443 | 3,361 | 5,377 | 4,213 |
| 1.250 | 0.109 | 30,000 | 75,000 | 15,843 | 3,961 | 6,337 | 4,776 |
| 1.250 | 0.120 | 30,000 | 75,000 | 17,822 | 4,455 | 7,129 | 5,207 |
| 1.250 | 0.134 | 30,000 | 75,000 | 20,468 | 5,117 | 8,187 | 5,742 |
| 1.500 | 0.035 | 30,000 | 75,000 | 3,671 | 918 | 1,469 | 1,367 |
| 1.500 | 0.049 | 30,000 | 75,000 | 5,243 | 1,311 | 2,097 | 1,896 |
| 1.500 | 0.065 | 30,000 | 75,000 | 7,117 | 1,779 | 2,847 | 2,487 |
| 1.500 | 0.083 | 30,000 | 75,000 | 9,333 | 2,333 | 3,733 | 3,136 |
| 1.500 | 0.095 | 30,000 | 75,000 | 10,878 | 2,719 | 4,351 | 3,559 |
| 1.500 | 0.109 | 30,000 | 75,000 | 12,754 | 3,188 | 5,101 | 4,043 |
| 1.500 | 0.120 | 30,000 | 75,000 | 14,286 | 3,571 | 5,714 | 4,416 |
| 1.500 | 0.134 | 30,000 | 75,000 | 16,315 | 4,079 | 6,526 | 4,881 |
| 1.500 | 0.148 | 30,000 | 75,000 | 18,439 | 4,610 | 7,375 | 5,336 |
| 1.750 | 0.035 | 30,000 | 75,000 | 3,125 | 781 | 1,250 | 1,176 |
| 1.750 | 0.049 | 30,000 | 75,000 | 3,864 | 966 | 1,546 | 1,434 |
| 1.750 | 0.065 | 30,000 | 75,000 | 6,019 | 1,505 | 2,407 | 2,146 |
| 1.750 | 0.083 | 30,000 | 75,000 | 7,860 | 1,965 | 3,144 | 2,711 |
| 1.750 | 0.095 | 30,000 | 75,000 | 9,135 | 2,284 | 3,654 | 3,080 |
| 1.750 | 0.109 | 30,000 | 75,000 | 10,672 | 2,668 | 4,213 | 3,504 |
| 1.750 | 0.120 | 30,000 | 75,000 | 11,921 | 2,980 | 4,768 | 3,832 |
| 1.750 | 0.134 | 30,000 | 75,000 | 13,563 | 3,391 | 5,425 | 4,242 |
| 1.750 | 0.148 | 30,000 | 75,000 | 15,268 | 3,817 | 6,107 | 4,645 |
| 1.750 | 0.165 | 30,000 | 75,000 | 17,430 | 4,357 | 6,972 | 5,124 |
| 2.000 | 0.035 | 30,000 | 75,000 | 2,720 | 680 | 1,088 | 1,032 |
| 2.000 | 0.049 | 30,000 | 75,000 | 3,864 | 966 | 1,546 | 1,434 |
| 2.000 | 0.065 | 30,000 | 75,000 | 5,214 | 1,303 | 2,086 | 1,887 |
| 2.000 | 0.083 | 30,000 | 75,000 | 6,788 | 1,697 | 2,715 | 2,387 |
| 2.000 | 0.095 | 30,000 | 75,000 | 7,873 | 1,968 | 3,149 | 2,715 |
| 2.000 | 0.109 | 30,000 | 75,000 | 9,175 | 2,294 | 3,670 | 3,092 |
| 2.000 | 0.120 | 30,000 | 75,000 | 10,227 | 2,557 | 4,091 | 3,384 |
| 2.000 | 0.134 | 30,000 | 75,000 | 11,605 | 2,901 | 4,642 | 3,751 |
| 2.000 | 0.148 | 30,000 | 75,000 | 13,028 | 3,257 | 5,211 | 4,111 |
| 2.000 | 0.165 | 30,000 | 75,000 | 14,820 | 3,705 | 5,928 | 4,542 |
| Description | DFARS | Manufacture Method | OD | Wall | Specification |
|---|---|---|---|---|---|
| STR 304/304L ASTM A269 .7500 x .0650 | Yes | SEAMLESS & DRAWN | ASTM A269 19 ASTM A213 17 | ||
| STR 304/304L ASTM A270 6.0000 x .1090 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 4.0000 x .0830 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 4.0000 x .0650 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 3.0000 x .0650 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 2.5000 x .0650 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L WDDR POL ASTM A270 2.0000 OD .0650 ID x 240.0000 WA x 20 FT | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 1.5000 x .0650 | Yes | WELDED & DRAWN | ASTM A270 | ||
| STR 304/304L ASTM A270 1.0000 x .0650 | Yes | WELDED & DRAWN | ASTM A270 | ||
| 3/8 OD X .028 WALL | Yes | WELDED & DRAWN | 0.3750 | 0.0280 | ASTM A269 19 |
Stainless Steel 304 Tube Cutting |
|
|---|---|
Structural Cutting |
Products cut include pipe, tube, tubing, Square tube, Rectangular tube, round tube Thickness range is 1/16″ to 28″ diameter |
Tubular Cutting |
Products cut include Ornamental Tube, Tubing and Hollow Bar. Thickness range is 1/16″ to 28″ diameter |
Production Cutting |
Sanghvi Enterprisecan provide production cutting for product diameters up to 4″. We utilize Amada Production Equipment to achieve these precision cuts with tight tolerances |
Size OD, Inches |
BW Ga. |
Wall Dec-In. |
ID |
Weight Lbs/Ft. |
|---|---|---|---|---|
1/8 |
22 |
0.028 |
0.069 |
0.0290 |
20 |
0.035 |
0.055 |
0.0336 |
|
3/16 |
22 |
0.028 |
0.131 |
0.0478 |
1/4
|
25 |
0.020 |
0.210 |
0.0491 |
22 |
0.028 |
0.194 |
0.0664 |
|
21 |
0.032 |
0.187 |
0.0745 |
|
20 |
0.035 |
0.180 |
0.0804 |
|
18 |
0.049 |
0.152 |
0.1052 |
|
16 |
0.065 |
0.120 |
0.1284 |
|
5/16
|
20 |
0.035 |
0.242 |
0.1039 |
18 |
0.049 |
0.214 |
0.1382 |
|
16 |
0.065 |
0.182 |
0.1722 |
|
3/8
|
22 |
0.028 |
0.319 |
0.1038 |
20 |
0.035 |
0.305 |
0.1271 |
|
18 |
0.049 |
0.277 |
0.1706 |
|
16 |
0.065 |
0.245 |
0.2152 |
|
7/16 |
18 |
0.049 |
0.340 |
0.2036 |
1/2
|
25 |
0.020 |
0.460 |
0.1025 |
20 |
0.035 |
0.430 |
0.1738 |
|
18 |
0.049 |
0.402 |
0.2360 |
|
16 |
0.065 |
0.370 |
0.3020 |
|
5/8
|
20 |
0.035 |
0.555 |
0.2205 |
18 |
0.049 |
0.527 |
0.3014 |
|
16 |
0.065 |
0.495 |
0.3888 |
|
3/4
|
20 |
0.035 |
0.680 |
0.2673 |
18 |
0.049 |
0.652 |
0.3668 |
|
16 |
0.065 |
0.620 |
0.4755 |
|
14 |
0.083 |
0.584 |
0.5913 |
|
7/8
|
18 |
0.049 |
0.777 |
0.4323 |
16 |
0.065 |
0.745 |
0.5623 |
|
11 |
0.120 |
0.635 |
0.9676 |
|
1
|
20 |
0.035 |
0.930 |
0.3607 |
18 |
0.049 |
0.902 |
0.4977 |
|
16 |
0.065 |
0.870 |
0.6491 |
|
14 |
0.083 |
0.834 |
0.8129 |
|
11 |
0.120 |
0.760 |
1.1278 |
|
1-1/4 |
11 |
0.120 |
1.010 |
1.4480 |
| OD inches | Ave. Wall inches | D/t Ratio | ID inches | Tube Cross Sectional Area (in2) | Internal Area (in2) |
|---|---|---|---|---|---|
| 0.250 | 0.020 | 12.50 | 0.210 | 0.0145 | 0.0346 |
| 0.250 | 0.028 | 8.93 | 0.194 | 0.0195 | 0.0296 |
| 0.250 | 0.035 | 7.14 | 0.180 | 0.0236 | 0.0254 |
| 0.250 | 0.049 | 5.10 | 0.152 | 0.0309 | 0.0181 |
| 0.250 | 0.065 | 3.85 | 0.120 | 0.0378 | 0.0113 |
| 0.375 | 0.020 | 18.75 | 0.335 | 0.0223 | 0.0881 |
| 0.375 | 0.028 | 13.39 | 0.319 | 0.0305 | 0.0799 |
| 0.375 | 0.035 | 10.71 | 0.305 | 0.0374 | 0.0731 |
| 0.375 | 0.049 | 7.65 | 0.277 | 0.0502 | 0.0603 |
| 0.375 | 0.065 | 5.77 | 0.245 | 0.0633 | 0.0471 |
| 0.500 | 0.020 | 25.00 | 0.460 | 0.0302 | 0.1662 |
| 0.500 | 0.028 | 17.86 | 0.444 | 0.0415 | 0.1548 |
| 0.500 | 0.035 | 14.29 | 0.430 | 0.0511 | 0.1452 |
| 0.500 | 0.049 | 10.20 | 0.402 | 0.0694 | 0.1213 |
| 0.500 | 0.065 | 7.69 | 0.370 | 0.0888 | 0.1075 |
| 0.500 | 0.083 | 6.02 | 0.334 | 0.1087 | 0.0876 |
| 0.625 | 0.020 | 31.25 | 0.585 | 0.0380 | 0.2688 |
| 0.625 | 0.028 | 22.32 | 0.569 | 0.0525 | 0.2543 |
| 0.625 | 0.035 | 17.86 | 0.555 | 0.0649 | 0.2419 |
| 0.625 | 0.049 | 12.76 | 0.527 | 0.0887 | 0.2181 |
| 0.625 | 0.065 | 9.62 | 0.495 | 0.1144 | 0.1924 |
| 0.625 | 0.083 | 7.53 | 0.459 | 0.1413 | 0.1655 |
| 0.625 | 0.095 | 6.58 | 0.435 | 0.1582 | 0.1486 |
| 0.625 | 0.109 | 5.73 | 0.407 | 0.1767 | 0.1301 |
| 0.750 | 0.028 | 26.79 | 0.694 | 0.0635 | 0.3783 |
| 0.750 | 0.035 | 21.43 | 0.680 | 0.0786 | 0.3632 |
| 0.750 | 0.049 | 15.31 | 0.652 | 0.1079 | 0.3339 |
| 0.750 | 0.065 | 11.54 | 0.620 | 0.1399 | 0.3019 |
| 0.750 | 0.083 | 9.04 | 0.584 | 0.1739 | 0.2679 |
| 0.750 | 0.095 | 7.89 | 0.560 | 0.1955 | 0.2463 |
| 0.750 | 0.109 | 6.88 | 0.532 | 0.2195 | 0.2223 |
| 0.750 | 0.120 | 6.25 | 0.510 | 0.2375 | 0.2043 |
| 0.875 | 0.020 | 43.75 | 0.835 | 0.0537 | 0.5476 |
| 0.875 | 0.028 | 31.25 | 0.819 | 0.0745 | 0.5268 |
| 0.875 | 0.035 | 25.00 | 0.805 | 0.0924 | 0.5090 |
| 0.875 | 0.049 | 17.86 | 0.777 | 0.1272 | 0.4742 |
| 0.875 | 0.065 | 13.46 | 0.745 | 0.1654 | 0.4359 |
| 0.875 | 0.083 | 10.54 | 0.709 | 0.2065 | 0.3948 |
| 0.875 | 0.095 | 9.21 | 0.685 | 0.2328 | 0.3685 |
| 0.875 | 0.109 | 8.03 | 0.657 | 0.2623 | 0.3390 |
| 0.875 | 0.120 | 7.29 | 0.635 | 0.2846 | 0.3167 |
| 1.000 | 0.028 | 35.71 | 0.944 | 0.0855 | 0.6999 |
| 1.000 | 0.035 | 28.57 | 0.930 | 0.1061 | 0.6793 |
| 1.000 | 0.049 | 20.41 | 0.902 | 0.1464 | 0.6390 |
| 1.000 | 0.065 | 15.38 | 0.870 | 0.1909 | 0.5945 |
| 1.000 | 0.083 | 12.05 | 0.834 | 0.2391 | 0.5463 |
| 1.000 | 0.095 | 10.53 | 0.810 | 0.2701 | 0.5153 |
| 1.000 | 0.109 | 9.17 | 0.782 | 0.3051 | 0.4803 |
| 1.000 | 0.120 | 8.33 | 0.760 | 0.3318 | 0.4536 |
| 1.000 | 0.134 | 7.46 | 0.732 | 0.3646 | 0.4208 |
| 1.250 | 0.035 | 35.71 | 1.180 | 0.1336 | 1.0936 |
| 1.250 | 0.049 | 25.51 | 1.152 | 0.1849 | 1.0423 |
| 1.250 | 0.065 | 19.23 | 1.120 | 0.2420 | 0.9852 |
| 1.250 | 0.083 | 15.06 | 1.084 | 0.3043 | 0.9229 |
| 1.250 | 0.095 | 13.16 | 1.060 | 0.3447 | 0.8825 |
| 1.250 | 0.109 | 11.47 | 1.032 | 0.3907 | 0.8365 |
| 1.250 | 0.120 | 10.42 | 1.010 | 0.4260 | 0.8012 |
| 1.250 | 0.134 | 9.33 | 0.982 | 0.4698 | 0.7574 |
| 1.500 | 0.035 | 42.86 | 1.430 | 0.1611 | 1.6061 |
| 1.500 | 0.049 | 30.61 | 1.402 | 0.2234 | 1.5438 |
| 1.500 | 0.065 | 23.08 | 1.370 | 0.2930 | 1.4741 |
| 1.500 | 0.083 | 18.07 | 1.334 | 0.3695 | 1.3977 |
| 1.500 | 0.095 | 15.79 | 1.310 | 0.4193 | 1.3478 |
| 1.500 | 0.109 | 13.76 | 1.282 | 0.4763 | 1.2908 |
| 1.500 | 0.120 | 12.50 | 1.260 | 0.5202 | 1.2469 |
| 1.500 | 0.134 | 11.19 | 1.232 | 0.5750 | 1.1921 |
| 1.500 | 0.148 | 10.14 | 1.204 | 0.6286 | 1.1385 |
| 1.750 | 0.035 | 50.00 | 1.680 | 0.1886 | 2.2167 |
| 1.750 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
| 1.750 | 0.065 | 26.92 | 1.620 | 0.3441 | 2.0612 |
| 1.750 | 0.083 | 21.08 | 1.584 | 0.4347 | 1.9706 |
| 1.750 | 0.095 | 18.42 | 1.560 | 0.4939 | 1.9113 |
| 1.750 | 0.109 | 16.06 | 1.532 | 0.5619 | 1.8433 |
| 1.750 | 0.120 | 14.58 | 1.510 | 0.6145 | 1.7908 |
| 1.750 | 0.134 | 13.06 | 1.482 | 0.6803 | 1.7250 |
| 1.750 | 0.148 | 11.82 | 1.454 | 0.7449 | 1.6604 |
| 1.750 | 0.165 | 10.61 | 1.420 | 0.8216 | 1.5837 |
| 2.000 | 0.035 | 57.14 | 1.930 | 0.2161 | 2.9255 |
| 2.000 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
| 2.000 | 0.065 | 30.77 | 1.870 | 0.3951 | 2.7465 |
| 2.000 | 0.083 | 24.10 | 1.834 | 0.4999 | 2.6417 |
| 2.000 | 0.095 | 21.05 | 1.810 | 0.5685 | 2.5730 |
| 2.000 | 0.109 | 18.35 | 1.782 | 0.6475 | 2.4941 |
| 2.000 | 0.120 | 16.67 | 1.760 | 0.7087 | 2.4328 |
| 2.000 | 0.134 | 14.93 | 1.732 | 0.7855 | 2.3561 |
| 2.000 | 0.148 | 13.51 | 1.704 | 0.8611 | 2.2805 |
| 2.000 | 0.165 | 12.12 | 1.670 | 0.9512 | 2.1904 |
| 028 | = | .028" Thick |
| 035 | = | .035" Thick |
| 039 | = | .039" Thick |
| 049 | = | .049" Thick |
| 065 | = | .065" Thick |
| 083 | = | .083" Thick |
| 109 | = | .109" Thick |
| Size | O.D. Inches | 5s | TRUE 5 | 10s | TRUE 10 | 20 | 30 | 40s & STD | TRUE 40 | 60 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 0.405 | 0.35 | 0.049 | 0.049 | 0.068 | 0.068 | ||||
| 0.1383 | 0.1863 | 0.1863 | 0.2447 | 0.2447 | ||||||
| 1/4 | 0.54 | 0.049 | 0.065 | 0.065 | 0.088 | 0.088 | ||||
| 0.257 | 0.3297 | 0.3297 | 0.4248 | 0.4248 | ||||||
| 3/8 | 0.675 | 0.049 | 0.065 | 0.065 | 0.091 | 0.091 | ||||
| 0.3276 | 0.4235 | 0.4235 | 0.5676 | 0.5676 | ||||||
| 1/2 | 0.84 | 0.065 | 0.065 | 0.083 | 0.083 | 0.109 | 0.109 | |||
| 0.5383 | 0.5383 | 0.671 | 0.671 | 0.851 | 0.851 | |||||
| 3/4 | 1.05 | 0.065 | 0.065 | 0.083 | 0.083 | 0.113 | 0.113 | |||
| 0.6838 | 0.6838 | 0.8572 | 0.8572 | 1.131 | 1.131 | |||||
| 1 | 1.315 | 0.065 | 0.065 | 0.109 | 0.19 | 0.133 | 0.133 | |||
| 0.8678 | 0.8678 | 1.404 | 1.404 | 1.679 | 1.679 | |||||
| 1 1/4 | 1.66 | 0.065 | 0.065 | 0.109 | 0.109 | 0.14 | 0.14 | |||
| 1.107 | 1.107 | 1.806 | 1.806 | 2.273 | 2.273 | |||||
| 1 1/2 | 1.9 | 0.065 | 0.065 | 0.109 | 0.109 | 0.145 | 0.145 | |||
| 1.274 | 1.274 | 2.638 | 2.638 | 2.718 | 2.718 | |||||
| 2 | 2.375 | 0.065 | 0.065 | 0.109 | 0.109 | 0.154 | 0.154 | |||
| 1.604 | 1.604 | 2.638 | 2.638 | 3.653 | 3.653 | |||||
| 2 1/2 | 2.875 | 0.083 | 0.083 | 0.12 | 0.12 | 0.203 | 0.203 | |||
| 2.475 | 2.475 | 3.531 | 3.531 | 5.793 | 5.793 | |||||
| 3 | 3.5 | 0.083 | 0.083 | 0.12 | 0.12 | 0.216 | 0.216 | |||
| 3.029 | 3.029 | 4.332 | 4.332 | 7.576 | 7.576 | |||||
| 3 1/2 | 4 | 0.083 | 0.083 | 0.12 | 0.12 | 0.226 | 0.226 | |||
| 3.472 | 3.472 | 4.97 | 4.97 | 9.109 | 9.109 | |||||
| 4 | 4.5 | 0.083 | 0.083 | 0.12 | 0.12 | 0.237 | 0.237 | 0.281 | ||
| 3.915 | 3.915 | 5.613 | 5.613 | 10.79 | 10.79 | 12.66 | ||||
| 4 1/2 | 5 | 0.247 | ||||||||
| 12.53 | ||||||||||
| 5 | 5.563 | 0.109 | 0.109 | 0.134 | 0.134 | 0.258 | 0.258 | |||
| 6.349 | 6.349 | 7.77 | 7.77 | 14.62 | 14.62 | |||||
| 6 | 6.625 | 0.109 | 0.109 | 0.134 | 0.134 | 0.28 | 0.28 | |||
| 7.585 | 7.585 | 9.289 | 9.289 | 18.97 | 18.97 | |||||
| 7 | 7.625 | 0.301 | ||||||||
| 23.57 | ||||||||||
| 8 | 8.625 | 0.109 | 0.109 | 0.148 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 |
| 9.914 | 9.914 | 13.4 | 13.4 | 22.36 | 24.7 | 28.55 | 28.55 | 35.64 | ||
| 9 | 9.625 | 0.342 | ||||||||
| 33.9 | ||||||||||
| 10 | 10.75 | 0.134 | 0.134 | 0.165 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 |
| 15.19 | 15.19 | 18.65 | 18.65 | 28.04 | 34.24 | 40.48 | 40.48 | 54.74 | ||
| 11 | 11.75 | 0.375 | ||||||||
| 45.55 | ||||||||||
| 12 | 12.75 | 0.156 | 0.165 | 0.18 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 |
| 21.07 | 22.18 | 24.2 | 24.2 | 33.38 | 43.77 | 49.56 | 53.53 | 73.16 | ||
| 14 | 14 | 0.156 | 0.188 | 0.25 | 0.312 | 0.375 | 0.375 | 0.437 | 0.593 | |
| 23.06 | 27.73 | 36.71 | 45.68 | 54.57 | 54.57 | 63.67 | 84.91 | |||
| 16 | 16 | 0.165 | 0.188 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | |
| 27.9 | 31.75 | 42.05 | 52.36 | 62.58 | 62.58 | 82.77 | 107.5 | |||
| 18 | 18 | 0.165 | 0.188 | 0.25 | 0.312 | 0.437 | 0.375 | 0.562 | 0.75 | |
| 31.43 | 35.76 | 47.39 | 59.03 | 82.06 | 70.59 | 104.8 | 138.2 | |||
| 20 | 20 | 0.188 | 0.218 | 0.25 | 0.375 | 0.5 | 0.375 | 0.593 | 0.812 | |
| 39.78 | 46.05 | 52.73 | 78.6 | 104.1 | 78.6 | 122.9 | 166.4 | |||
| 24 | 24 | 0.218 | 0.25 | 0.25 | 0.375 | 0.562 | 0.375 | 0.687 | 0.968 | |
| 55.37 | 63.41 | 63.41 | 94.62 | 140.8 | 94.62 | 171.2 | 238.1 | |||
| 26 | 26 | 0.312 | 0.5 | 0.375 | ||||||
| 85.6 | 136.2 | 102.6 | ||||||||
| 28 | 28 | 0.312 | 0.5 | 0.625 | 0.375 | |||||
| 92.26 | 146.8 | 182.7 | 110.6 | |||||||
| 30 | 30 | 0.25 | 0.312 | 0.312 | 0.5 | 0.625 | 0.375 | |||
| 79.43 | 98.93 | 98.93 | 157.5 | 196.1 | 118.6 | |||||
| 32 | 32 | 0.312 | 0.5 | 0.625 | 0.375 | 0.688 | ||||
| 105.6 | 168.2 | 209.4 | 126.7 | 230.1 | ||||||
| 34 | 34 | 0.312 | 0.5 | 0.625 | 0.375 | 0.688 | ||||
| 112.3 | 178.9 | 222.8 | 134.7 | 244.8 | ||||||
| 36 | 36 | 0.312 | 0.625 | 0.375 | 0.75 | |||||
| 118.9 | 236.1 | 142.7 | 282.3 | |||||||
| 40 | 40 | 0.375 | ||||||||
| 158.7 | ||||||||||
| 42 | 42 | 0.375 | ||||||||
| 166.7 | ||||||||||
| 48 | 48 | 0.375 | ||||||||
| 190.7 |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
| Size by Inch (diameter) | Thickness |
Sizes by MM (diameter) |
Thickness |
inch |
inch |
mm | mm |
1“ x 1/2" |
0.065" |
10mm×15mm |
0.6mm～1.5mm |
| 1“ x 3/4" |
0.065" |
10mm×20mm |
0.6mm～1.5mm |
| 0.095" | 14mm×21mm |
0.6mm～1.5mm |
|
| 1 1/4" x 3/4" |
0.065" |
15mm×30mm |
0.6mm～1.5mm |
| 1 1/2" x 3/4" |
0.065" |
15mm×38mm |
0.6mm～1.5mm |
| 0.120" | 20mm×20mm |
0.6mm～2mm |
|
1 1/2" x 1" |
0.065" |
20mm×30mm |
0.6mm～2mm |
0.072" |
20mm×40mm |
0.6mm～2mm |
|
0.083" |
20mm×50mm |
0.6mm～2mm |
|
0.120" |
22mm×35mm |
0.6mm～2mm |
|
2“ x 1” |
0.065" |
25mm×40mm |
0.9mm～2mm |
0.083" |
25mm×65mm |
0.9mm～3.75mm |
|
0.120" |
30mm×20mm |
1mm～2mm |
|
0.188" |
30mm×40mm |
1mm～3.75mm |
|
2” x 1 1/4“ |
0.065" |
30mm×45mm |
1mm～3.75mm |
0.083" |
30mm×50mm |
1mm～3.75mm |
|
2“ x 1 1/2” |
0.083" |
30mm×60mm |
1mm～4mm |
0.120" |
40mm×25mm |
1mm～4.5mm |
|
| 2 1/2“ x 1 1/2” |
0.072" |
40mm×50mm |
1mm～4.5mm |
0.083" |
40mm×60mm |
1mm～4.5mm |
|
0.120" |
40mm×80mm |
1mm～5mm |
|
0.148" |
40mm×100mm |
1mm～5mm |
|
0.188" |
50mm×25mm |
2mm～5mm |
|
0.250" |
50mm×30mm |
2mm～5mm |
|
| 3" x 1" | 0.083" |
50mm×60mm |
2mm～5mm |
0.120" |
50mm×80mm |
2mm～5mm |
|
0.188" |
50mm×100mm |
2mm～5mm |
|
| 3“ x 1 1/2” |
0.083" |
60mm×30mm |
2mm～6mm |
0.120" |
60mm×40mm |
2mm～6mm |
|
0.188" |
60mm×80mm |
2mm～6mm |
|
| 0.250" | 70mm×50mm |
2mm～6mm |
|
3“ x 2” |
0.065 |
80mm×30mm |
2mm～8mm |
0.083 |
80mm×40mm |
2mm～8mm |
|
0.125 |
80mm×60mm |
2mm～8mm |
|
0.188 |
80mm×100mm |
2mm～8mm |
|
0.250 |
100mm×50mm |
2mm～8mm |
|
3“ x 2” |
0.083" |
120mm×60mm |
2.5mm～10mm |
0.120" |
120mm×80mm |
2.5mm～10mm |
|
0.188" |
140mm×60mm |
2.5mm～10mm |
|
0.250" |
140mm×80mm |
2.5mm～10mm |
|
| 0.312" | 150mm×100mm |
2.5mm～12mm |
|
4“ x 1 1/2” |
0.120" |
160mm×80mm |
2.5mm～12mm |
0.188" |
180mm×150mm |
2.5mm～12mm |
|
| 4“ x 2” |
0.083" |
200mm×100mm |
4mm～12mm |
0.120" |
200mm×150mm |
4mm～12mm |
|
0.188" |
220mm×140mm |
4mm～12mm |
|
0.250" |
250mm×150mm |
6mm～12mm |
|
0.312" |
250mm×100mm |
6mm～12mm |
|
0.375" |
250mm×200mm |
6mm～30mm |
|
4“ x 2 1/2” |
0.188" |
300mm×100mm |
6mm～30mm |
0.250" |
300mm×150mm |
6mm～30mm |
|
| 4" x 3" | 0.083" |
300mm×200mm |
6mm～30mm |
0.120" |
300mm×250mm |
6mm～30mm |
|
0.188" |
400mm×250mm |
8mm～30mm |
|
0.250" |
400mm×300mm |
8mm～30mm |
|
0.312" |
450mm×200mm |
8mm～30mm |
|
0.375" |
450mm×250mm |
8mm～30mm |
|
| 4 1/2“ x 2 1/2” |
0.188" |
400mm×300mm |
8mm～30mm |
0.250" |
400mm×350mm |
8mm～30mm |
|
| 5" x 2” | 0.120" |
500mm×200mm |
10mm～30mm |
0.188" |
500mm×250mm |
10mm～30mm |
|
0.250" |
500mm×300mm |
10mm～30mm |
|
0.312" |
500mm×350mm |
10mm～30mm |
|
0.375" |
500mm×400mm |
10mm～30mm |
|
| 5" x 2 1/2” |
0.120" |
500mm×450mm |
10mm～30mm |
0.188" |
600mm×200mm |
10mm～28mm |
|
0.250" |
600mm×400mm |
10mm～28mm |
|
| 5" x 3" |
0.188" |
600mm×500mm |
10mm～28mm |
0.250" |
800mm×400mm |
10mm～28mm |
|
0.312" |
800mm×600mm |
10mm～28mm |
|
0.375" |
800mm×700mm |
10mm～28mm |
|
0.500" |
1000mm×400mm |
10mm～28mm |
|
5" x 4" |
0.188" |
1000mm×500mm |
10mm～28mm |
0.250" |
1000mm×600mm |
10mm～28mm |
|
0.312" |
1000mm×800mm |
10mm～28mm |
|
0.375" |
|||
6" x 2" |
0.120" |
||
0.188" |
|||
0.250" |
|||
0.312" |
|||
0.375" |
DIAMETER TOLERANCE 304 STAINLESS STEEL TUBE
| NPS | Stainless Steel 304 Tube OD Tolerance | |||
|---|---|---|---|---|
| + | – | |||
| inch | mm | inch | mm | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 |
1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) |
0.4 0.8 1.6 2.4 3.2 4.0 4.8 |
1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) |
0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
WALL THICKNESS TOLERANCE STAINLESS STEEL 304 TUBES
| NPS | Stainless Steel 304 / 304L Tube Tolerance, % | |
|---|---|---|
| + | – | |
| 1/8-2 1 /2 | 20.0 | 12.5 |
| 3~18, t/D≤ 5% | 22.5 | 12.5 |
| 3~18, t/D> 5% | 15.0 | 12.5 |
| ≥ 20, welded | 17.5 | 12.5 |
| ≥ 20, seamless, t/D≤ 5% | 22.5 | 12.5 |
| ≥ 20, seamless, t/D> 5% | 15.0 | 12.5 |
| Square Tubing- | Nominal Size | Wall Thickness | Weight per Ft. |
| 1 1/2x1 1/2-3.35# | 1 1/2 x 1 1/2 in | 0.1875 in | 3.35 lb |
| 1 1/2x1 1/2-3.71# | 1 1/2 x 1 1/2 in | 0.2500 in | 3.71 lb |
| 2x2-4.32# | 2 x 2 in | 0.1875 in | 4.32 lb |
| 2x2-5.41# | 2 x 2 in | 0.2500 in | 5.41 lb |
| 2 1/2x2 1/2-5.59# | 2 1/2 x 2 1/2 in | 0.1875 in | 5.59 lb |
| 2 1/2x2 1/2-7.11# | 2 1/2 x 2 1/2 in | 0.2500 in | 7.11 lb |
| 2 1/2x2 1/2-8.94# | 2 1/2 x 2 1/2 in | 0.3125 in | 8.94 lb |
| 3x3-6.87# | 3 x 3 in | 0.1875 in | 6.87 lb |
| 3x3-8.81# | 3 x 3 in | 0.2500 in | 8.81 lb |
| 3x3-10.58# | 3 x 3 in | 0.3125 in | 10.58 lb |
| 3x3-12.51# | 3 x 3 in | 0.3750 in | 12.51 lb |
| 3 1/2x3 1/2-8.15# | 3 1/2 x 3 1/2 in | 0.1875 in | 8.15 lb |
| 3 1/2x3 1/2-10.51# | 3 1/2 x 3 1/2 in | 0.2500 in | 10.51 lb |
| 3 1/2x3 1/2-12.70# | 3 1/2 x 3 1/2 in | 0.3125 in | 12.70 lb |
| 3 1/2x3 1/2-15.46# | 3 1/2 x 3 1/2 in | 0.3750 in | 15.46 lb |
| 4x4-9.42# | 4 x 4 in | 0.1875 in | 9.42 lb |
| 4x4-12.21# | 4 x 4 in | 0.2500 in | 12.21 lb |
| 4x4-14.83# | 4 x 4 in | 0.3125 in | 14.83 lb |
| 4x4-17.27# | 4 x 4 in | 0.3750 in | 17.27 lb |
| 4x4-21.63# | 4 x 4 in | 0.5000 in | 21.63 lb |
| 4 1/2x4 1/2-10.70# | 4 1/2 x 4 1/2 in | 0.1875 in | 10.70 lb |
| 4 1/2x4 1/2-13.91# | 4 1/2 x 4 1/2 in | 0.2500 in | 13.91 lb |
| 5x5-11.97# | 5 x 5 in | 0.1875 in | 11.97 lb |
| 5x5-15.62# | 5 x 5 in | 0.2500 in | 15.62 lb |
| 5x5-19.08# | 5 x 5 in | 0.3125 in | 19.08 lb |
Product Description |
Outside Diamter, OD (in mm) |
Wall Thickness, WT (in mm) |
Round Tube |
6mm – 630mm |
0.5mm-30mm |
Square Tube |
12.7mm* 12.7mm to 300mm* 300mm |
0.5mm-30mm |
Rectangular Tube |
10*20mm to 100*200mm |
0.5mm-30mm |
Colour Coated Tube |
6mm to 630mm |
0.5mm-30mm |
Electropolished Tube |
12.7mm to 250mm |
0.5mm-30mm |
Triangle Tube |
16mm to 85mm |
0.5mm-3.0mm |
Hexagonal Tube |
13mm to 85mm |
0.5mm-2.0mm |
304 Stainless Steel U Shaped Tube |
20mm to 200mm |
0.5mm-2.0mm |
304 Thin-Wall Stainless Steel Tube |
22mm*0.7mm to 108mm*2.0mm |
0.5mm-2.0mm |
304 Inner/Outside Polished Stainless Steel Tube, tube |
12.5mm to 203.2mm |
1.0mm – 5mm |
304 Stainless Steel Capillary Tube |
0.28mm to 10mm |
0.08mm – 1.2mm |
304 Stainless Steel Seamless Tube |
6mm to 430mm |
0.8mm – 30mm |
Specifications: |
ASTM A213, ASTM A249, ASTM A269 |
International Specifications: |
Euronorm: X6CrNi08-10 Werstoff# 1.4301 |
| Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) | |||
| Roughness Average(RA) | Roughness Average(RA) | ||||
| μ inch | μm | μ inch | μm | ||
| BA | Beight Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
| EP | Electro Polish | 15,10,7,5 | 0.38,0.25,0.20;0.13 | 32 | 0.8 |
| MP | Mechanical Polish | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| ASME SA213 SS 304 Umbilicals | SS 304 Polish Tubes |
| ASTM A249 TP 304 Stainless Steel Seamless Tube | SS 304 Nuclear tubes |
| GOST 08Х18Н10 Aerospace tubes | Stainless Steel 304 Oil and gas tubes |
| SS TP304 Heat exchanger tubes | GOST 08Х18Н10 Control lines |
| Stainless Steel 304 Hydraulic tubes | SS 304 High pressure tubes |
| SS UNS S30400 Chemical process tubes | Stainless Steel WERKSTOFF NR. 1.4301 Medical tubes |
| SA213 TP304 Nuclear Fuel tubes | Stainless Steel 304 EFW Tubes |
| Stainless Steel WERKSTOFF NR. 1.4301 elliptical and Oval Tubes | ASME SA249 Steel Rectangular Tube |
| GOST 08Х18Н10 Instrumentation tubes | ASTM A213 Stainless Steel Electropolished Tubes |
| SA213 TP304 Condenser Tubes | SS TP304 Oil & Gas Tubing |
| SA213 TP304 SCH 40 Tube | ASTM A213 Gr. TP304 SCH 80 Tube |
| Stainless Steel 304 SCH 40 Tube | ASTM A249 TP 304 Stainless Steel SCH 80 Tube |
| SS UNS S30400 Capillary Tubes | TP304 SS U Shaped Tube |
| SS 304 Seamless Hollow Tubes | 304 Steel Electropolished Tubes |
| ASME SA249 Steel Tube | 304 Stainless Steel Decorative Tubes |
| UNS S30400 High-strength capillary tubing | SS UNS S30400 Bellows Tubes |
| ASTM A213 Stainless Steel Tubing | GOST 08Х18Н10 Oil Tube |
| SS 304 precision tubes | Stainless Steel 304 Transmission tubes |
| Stainless Steel 304 high precision tubes | ASME SA249 Steel Nuclear Control Rod Tubes |
| ASTM A249 TP 304 Stainless Steel Pitot tubes | Stainless Steel WERKSTOFF NR. 1.4301 encapsulated coiled tubing |
| Stainless Steel 304 Seamless Tubing | SS 304 Gas Tube Ar 15 |
| Grade | Elongation (% in 50mm) minimum | Strength of Yield 0.2% Proof (MPa) minimum | Strength of Tensile (MPa) minimum | Pipe Hardness | ||
| Rockwell B (HR B) maximum | Brinell (HB) maximum | |||||
| 304 | 40 | 205 | 515 | 92 | 201 | |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Both the ASTM a269 and sa213 are grades of stainless steel grades applicable for boilers, heat exchangers and super heater elements. The differences are in the production method and the wall thickness. The ASTM a213 grade of tubes is made seamless, but the a269 are welded stainless steel. That means the a213 tubes are dimensionally accurate than the a269. The a213 tubing has a wall thickness ranging from 0.4 to 12.7mm where the a269 grade tubes have 0.8 to 4mm wall thickness. These are the major difference and these reflect in the usage of the tubes as well.
