Raaj Sagar Steels

Stainless Steel Welded Pipe Manufacturer in India

Astm A312 304 and 316 Erw Pipe Supplier In Mumbai

Stainless Steel Welded Pipe

 

compare Stainless Steel Welded Pipe price with Stainless Steel Seamless Pipe price list

Several stainless steel alloys can be easily welded using various conventional techniques. However, the most favorable alloy according to every Stainless Steel Welded Pipe Manufacturer is a low carbon containing one. Low carbon alloys prevent the formation of carbide precipitates on the grain. And therefore, any low carbon version of Large Diameter Stainless Steel Welded Pipe including alloys like 304, 316, 310, etc tends to have more optimized weldability properties in addition to not becoming vulnerable to intergranular corrosion.

This corrosion is generally a problem in a high carbon Stainless Steel Erw Pipe, because at high temperatures, the weld seam may get sensitized and form carbide precipitates. Generally, a Stainless Steel Welded Pipe that is used at high temperature gives off steam and are under high pressure during the transportation of various fluid or gas media. And so it is important that the buyer select the appropriate Stainless Steel Welded Pipe Pressure Rating, something that matches the pressure of the application. Aside from the pressure rating, another important aspect of piping is its size. Keeping in mind that the environment also influences the application, the use of a correct Stainless Steel Welded Pipe Size is a must.

Heat and cold are conditions that cause either an expansion or contraction of the metal. Depending on the weather, the Stainless Steel Welded Pipe Astm A312 may also undergo rapid degeneration. For instance, heat and humidity in combination with the high-temperature application could cause rapid decay of the Stainless Steel Efw Pipe by oxidation. On some occasions, the chemicals present in the atmosphere affect the pipes as well. It is possible to reduce corrosion of Duty On Stainless Steel Welded Pipe by not only selecting the correct alloy but also external finishes such as polishing, galvanizing, or electroplating to remove any excess contamination. These methods either completely coat the Astm A312 Welded Pipe or the process scrapes off the remnants to give a smoother surface and a protective layer as well.

 

We Keep Bulk Stock of Duty On and Large Diameter Stainless Steel Welded Pipe at our stockyard, contact us to request a quote

 

Table Of Content:

 

to different industries for diffrent purposes We have supplied Stainless Steel Welded Pipe
Los Alamos -Mexico, Egypt, Mexico, Malaysia Custom Size 8 Inch Stainless Steel Welded Pipe
Malaysia, Netherlands, Russia, Sweden, Brazil Decorative 6 inch welded polished stainless steel pipe
NY 12203 (USA), United Kingdom -UK, Malaysia, Singapore 20mm diameter stainless steel welded pipe mirror polished
Romania, United Arab Emirates (UAE), Norway, Europe Customized 2b surface welded stainless steel pipe
Philippines, UK, Poland, Dammam -KSA Square / Rectangle Stainless Steel welded Pipe
Thailand, Malaysia, Japan, Czechia micro/capillary thin wall stainless steel welded pipe
Canada, Nigeria, Australia, Ellington -United States Thickness 9.0mm welded stainless steel pipe
Europe, Singapore, Malaysia, Qatar 4 Inch Stainless Steel Welded Pipe
Canada, Chile, Iran, Philippines Small Diameter 10MM Round Threaded Stainless Steel Welded Pipe
Kuwait, Philippines, Taiwan, South Africa ASTM A312/A213 Cold/Hot Rolling Pickling Welded Stainless Steel Pipe
Hong Kong, Thailand, France, Oman ASTM Standard 200/300/400 Series Welded Stainless Steel Pipe
Bangladesh, China, Colombia, Malaysia 80*1.5*6000mm Polished Stainless Steel Welded pipe
UK, Belgium, Indonesia, Philippines 19mm stainless steel welded pipe
Singapore, Malaysia, South Korea, Bahrain Thickness 5 Inch Stainless Steel ERW Pipe
Turkey, Malaysia, Germany welded medical stainless steel precision pipe 0.32mm*0.1mm
Italy, UAE, Malaysia, Singapore 6 inch stainless steel welded pipe
Spain, Brazil, Saudi Arabia (KSA), UK decorative 3 inch welded stainless steel pipe
Malaysia, Finland, USA, Dubai 200x200 35x35 Welded Stainless Steel Rectangular/Square Pipe
Europe, Singapore, South Africa, UAE micro/capillary thin wall stainless steel welded pipe

 

Stainless Steel Welded Pipe Specification Standards
Standard Specifications ASTM A249, A312, A268, A213, A270, A269, A778
Dimensions ASTM, ASME and API
Sch SCH120, SCH60, STD, SCH40, XS, SCH160, SCH80, SCH140, SCH30, SCH20, SCH80, XXS,
Available Type Welded , Fabricated, ERW , LSAW Pipes
Grade 316Ti, 304H, 310S, 304, UNS31803 Duplex, 347H, 316L, 321H, 347, 304L, 316, 321
Condition Welded Cold Drawn Annealed & Pickled, Hot Finish, Polished, Cold Finish, Bright Annealed, Passivated, Stress Relived, Welded Annealed & Pickled, & Externally Polished
Form Square, Round, Hydraulic, Rectangular Etc
Reports NABL Approved Lab Report, 100% X-Ray Welding Reports, EN 10204 3.1 Certificate, NDT, PMI Test Reports or Other Test Reports
Size 1/4” OD to 36” OD and 1/8” NB to 36” NB or as per requirment
Thickness as per ANSI B36.19/36.10 SCH 10/10S, 5/5S, 20/20S, 160/160S, 80/80S, 40/40S, 120/120S , 1mm to 20mm
Finish No.4 finish, No.1 Pickled Finish, Electropolished Welded Pipes, BA Finish
Length Double Random, Single Random & Cut Length.
End Beveled End, Plain End, Treaded

 

Available Sizes of Stainless Steel Pipe
  • Ferritic Stainless Steel grade EFW Pipes : 6″ NB – 100″ NB
  • Martensitic Stainless Steel Welded Pipes : 1/2″ NB – 24″ NB
  • Austenitic Stainless Steel ERW Pipes : 1/2″ NB – 16″ NB
  • Super Austenitic Stainless Steel Pipes : 1/8″NB TO 30″NB IN
Composition Standard of ASTM A312 SS Welded Pipe
Grade Mn C P Si S Mo Cr Ni Ti N Fe
304 min. 18.0 8.0
max. 2.0 0.08 0.045 0.75 0.030 20.0 10.5 0.10
304L min. 18.0 8.0
max. 2.0 0.030 0.045 0.75 0.030 20.0 12.0 0.10
304H min. 0.04 18.0 8.0
max. 2.0 0.010 0.045 0.75 0.030 20.0 10.5
SS 310 2 max 0.015 max 0.020 max 0.015 max 0.015 max 0.10 max 24.00 26.00 19.00 21.00 54.7 min
SS 310S 2 max 0.08 max 0.045 max 1.00 max 0.030 max 0.75 max 24.00 26.00 19.00 21.00 53.095 min
SS 310H 2 max 0.04 0.10 0.045 max 1.00 max 0.030 max 24.00 26.00 19.00 21.00 53.885 min
316 min. 2.03.0 16.0 10.0  
max. 2.0 0.035 0.045 0.75 0.030 18.0 14.0  
316L min. 2.03.0 16.0 10.0    
max. 2.0 0.035 0.045 0.75 0.030 18.0 14.0  
316TI 10.00 14.00 0.08 max 0.045 max 2.0 max 0.030 max 0.75 max 16.00 18.00 2.00 3.00
317 2 max 0.08 max 0.045 max 1 max 0.030 max 3.00 4.00 18.00 20.00 57.845 min
SS 317L 2.0 max 0.035 max 0.045 max 1.0 max 0.030 max 3.00 4.00 18.00 20.00 11.00 15.00 57.89 min
SS 321 2.0 max 0.08 max 0.045 max 1.0 max 0.030 max 17.00 19.00 9.00 12.00 5(C+N) 0.70 max 0.10 max
SS 321H 2.0 max 0.04 0.10 0.045 max 1.0 max 0.030 max 17.00 19.00 9.00 12.00 4(C+N) 0.70 max 0.10 max
347/ 347H 2.0 max 0.08 max 0.045 max 1.0 max 0.030 max 17.00 20.00 9.0013.00
410 min. 11.5
max. 1.0 0.15 0.040 1.00 0.030 13.5 0.75
446 min. 23.0 0.10
max. 1.5 0.2 0.040 0.75 0.030 30.0 0.50 0.25
904L min. 4.00 19.0 23.00 0.10
max. 2.00 0.20 0.045 1.00 0.035 5.00 23.0 28.00 0.25
SS Welded Pipe Mechanical table
Grade Melting Point Density Yield Strength (0.2%Offset) Tensile Strength Elongation
304H 1400 °C (2550 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 40 %
304/ 304L 1400 °C (2550 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %
904L 1350 °C (2460 °F) 7.95 g/cm3 Psi 32000 , MPa 220 Psi 71000 , MPa 490 35 %
306/ 316H 1400 °C (2550 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %
310 / 310S / 310H 1402 °C (2555 °F) 7.9 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 40 %
316L 1399 °C (2550 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %
321 1457 °C (2650 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %
317 1400 °C (2550 °F) 7.9 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %
347 1454 °C (2650 °F) 8.0 g/cm3 Psi 30000 , MPa 205 Psi 75000 , MPa 515 35 %

view SS Welded Pipe Pressure Rating and size chart online

 

Ferritic Stainless Steel Welded Pipes Material Equivalent Grade
STANDARD AFNOR UNS JIS WERKSTOFF NR. BS GOST EN
SS 304L Z3CN18‐10 S30403 SUS 304L 1.4306 / 1.4307 3304S11 03Х18Н11 X2CrNi18-9 / X2CrNi19-11
SS 310 – S31000 SUS 310 1.4841 310S24 20Ch25N20S2 X15CrNi25-20
SS 304H – S30409 – 1.4301 – – –
SS 304 Z7CN18‐09 S30400 SUS 304 1.4301 304S31 08Х18Н10 X5CrNi18-10
SS 310S – S31008 SUS 310S 1.4845 310S16 20Ch23N18 X8CrNi25-21
SS 310H – S31009 – – – – –
SS 316L Z3CND17‐11‐02 / Z3CND18‐14‐03 S31603 SUS 316L 1.4404 / 1.4435 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 316H – S31609 – 1.4401 – – –
SS 316 Z7CND17‐11‐02 S31600 SUS 316 1.4401 / 1.4436 316S31 / 316S33 – X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316Ti Z6CNDT17‐123 S31635 SUS 316Ti 1.4571 320S31 08Ch17N13M2T X6CrNiMoTi17-12-2
SS 317 – S31700 SUS 317 1.4449 – – –
SS 321 – S32100 SUS 321 1.4541 – – X6CrNiTi18-10
SS 317L – S31703 SUS 317L 1.4438 – – X2CrNiMo18-15-4
SS 321H – S32109 SUS 321H 1.4878 – – X12CrNiTi18-9
SS 347H – S34709 SUS 347H 1.4961 – – X6CrNiNb18-12
SS 347 – S34700 SUS 347 1.4550 – 08Ch18N12B X6CrNiNb18-10
SS 904L Z2 NCDU 25-20 N08904 SUS 904L 1.4539 904S13 STS 317J5L X1NiCrMoCu25-20-5

 

stocking Distributors of SS Welded Pipe
Ferritic SS Welded Pipes

Ferritic SS Welded Pipes

Stainless Steel Erw Pipe

Stainless Steel Erw Pipe

Ss Welded Square Pipe

SS Welded Square Pipe

Astm A312 Welded Pipe

Astm A312 Welded Pipe

Stainless Steel EFW Pipe

Stainless Steel EFW Pipe

Large Diameter Stainless Steel Welded Pipe

Large Diameter Stainless Steel Welded Pipe

 

Chromium Nickel Stainless Steel Pipes Pressure Rating
Pipe Size O.D. Inches 40s & STD TRUE 40 5s TRUE 5 20 30 10s TRUE 10 60
1/8 0.405 0.068 0.068   0.35     0.049 0.049  
  0.2447 0.2447   0.1383     0.1863 0.1863  
1/4 0.54 0.088 0.088   0.049     0.065 0.065  
  0.4248 0.4248   0.257     0.3297 0.3297  
3/8 0.675 0.091 0.091   0.049     0.065 0.065  
  0.5676 0.5676   0.3276     0.4235 0.4235  
1/2 0.84 0.109 0.109 0.065 0.065     0.083 0.083  
  0.851 0.851 0.5383 0.5383     0.671 0.671  
3/4 1.05 0.113 0.113 0.065 0.065     0.083 0.083  
  1.131 1.131 0.6838 0.6838     0.8572 0.8572  
1 1.315 0.133 0.133 0.065 0.065     0.109 0.19  
  1.679 1.679 0.8678 0.8678     1.404 1.404  
1 1/4 1.66 0.14 0.14 0.065 0.065     0.109 0.109  
  2.273 2.273 1.107 1.107     1.806 1.806  
1 1/2 1.9 0.145 0.145 0.065 0.065     0.109 0.109  
  2.718 2.718 1.274 1.274     2.638 2.638  
2 2.375 0.154 0.154 0.065 0.065     0.109 0.109  
  3.653 3.653 1.604 1.604     2.638 2.638  
2 1/2 2.875 0.203 0.203 0.083 0.083     0.12 0.12  
  5.793 5.793 2.475 2.475     3.531 3.531  
3 3.5 0.216 0.216 0.083 0.083     0.12 0.12  
  7.576 7.576 3.029 3.029     4.332 4.332  
3 1/2 4 0.226 0.226 0.083 0.083     0.12 0.12  
  9.109 9.109 3.472 3.472     4.97 4.97  
4 4.5 0.237 0.237 0.083 0.083     0.12 0.12 0.281
  10.79 10.79 3.915 3.915     5.613 5.613 12.66
4 1/2 5 0.247                
  12.53                
5 5.563 0.258 0.258 0.109 0.109     0.134 0.134  
  14.62 14.62 6.349 6.349     7.77 7.77  
6 6.625 0.28 0.28 0.109 0.109     0.134 0.134  
  18.97 18.97 7.585 7.585     9.289 9.289  
7 7.625 0.301                
  23.57                
8 8.625 0.322 0.322 0.109 0.109 0.25 0.277 0.148 0.148 0.406
  28.55 28.55 9.914 9.914 22.36 24.7 13.4 13.4 35.64
9 9.625 0.342                
  33.9                
10 10.75 0.365 0.365 0.134 0.134 0.25 0.307 0.165 0.165 0.5
  40.48 40.48 15.19 15.19 28.04 34.24 18.65 18.65 54.74
11 11.75 0.375                
  45.55                
12 12.75 0.375 0.406 0.156 0.165 0.25 0.33 0.18 0.18 0.562
  49.56 53.53 21.07 22.18 33.38 43.77 24.2 24.2 73.16
14 14 0.375 0.437 0.156   0.312 0.375 0.188 0.25 0.593
  54.57 63.67 23.06   45.68 54.57 27.73 36.71 84.91
16 16 0.375 0.5 0.165   0.312 0.375 0.188 0.25 0.656
  62.58 82.77 27.9   52.36 62.58 31.75 42.05 107.5
18 18 0.375 0.562 0.165   0.312 0.437 0.188 0.25 0.75
  70.59 104.8 31.43   59.03 82.06 35.76 47.39 138.2
20 20 0.375 0.593 0.188   0.375 0.5 0.218 0.25 0.812
  78.6 122.9 39.78   78.6 104.1 46.05 52.73 166.4
24 24 0.375 0.687 0.218   0.375 0.562 0.25 0.25 0.968
  94.62 171.2 55.37   94.62 140.8 63.41 63.41 238.1
26 26 0.375       0.5     0.312  
  102.6       136.2     85.6  
28 28 0.375       0.5 0.625   0.312  
  110.6       146.8 182.7   92.26  
30 30 0.375   0.25   0.5 0.625 0.312 0.312  
  118.6   79.43   157.5 196.1 98.93 98.93  
32 32 0.375 0.688     0.5 0.625   0.312  
  126.7 230.1     168.2 209.4   105.6  
34 34 0.375 0.688     0.5 0.625   0.312  
  134.7 244.8     178.9 222.8   112.3  
36 36 0.375 0.75       0.625   0.312  
  142.7 282.3       236.1   118.9  
40 40 0.375                
  158.7                
42 42 0.375                
  166.7                
48 48 0.375                
  190.7                
Super Ferritic Stainless Steel Pipe Diameter & Wall Thickness
Outside Diamter Product Wall Thickness
12.7mm* 12.7mm to 300mm* 300mm Stainless Steel Square Pipe 0.5mm-30mm
6mm – 630mm Stainless Steel Round Pipe 0.5mm-30mm
10*20mm to 100*200mm Stainless Steel Rectangular Pipe 0.5mm-30mm
12.7mm to 76.2mm Stainless Steel Ornamental Pipe 0.5mm-2.0mm
6mm to 630mm Stainless Steel Colour Coated Pipe 0.5mm-30mm
12.7mm to 250mm Stainless Steel Electropolished Pipes 0.5mm-30mm
16mm to 85mm Stainless Steel Pipe 0.5mm-3.0mm
12.7mm to 76.2mm Stainless Steel Slot Round Pipe 0.5mm-2.0mm
13mm to 85mm Stainless Steel Hexagonal Pipe 0.5mm-2.0mm
20mm to 200mm Stainless Steel Pipe 0.5mm-2.0mm
12.7mm to 100mm SS Polished Pipes 0.5mm-2.0mm
22mm*0.7mm to 108mm*2.0mm Thin-Wall Stainless Steel Pipe 0.5mm-2.0mm
0.28mm to 10mm Stainless Steel Pipe 0.08mm – 1.2mm
12.5mm to 203.2mm Inner/Outside Polished Stainless Steel Pipe 1.0mm – 5mm
6mm to 430mm Stainless Steel Seamless Pipe 0.8mm – 30mm

 

Not finding the ASTM A 312 Stainless Steel Welded Pipes in the sizes you require? we can supply Electric Resistance Welded (ERW) Pipes in India
Stainless Steel Welded Pipe Hs Code
HS Code Description
73053990 Stainless Steel Defective Welded Pipe Grade 304
73053990 Stainless Steel Secondary / Defective Welded Pipes Grade 316
73053990 Stainless Steel Secondary / Defective Welded Pipes Grade 316
73053990 Stainless Steel Welded Pipe Grade 201 (Nickel Below 1%)
73053990 Stainless Steel Defective Welded Pipes Grade 316
73053990 Stainless Steel Defective Welded Pipes Grade 316
73053990 Stainless Steel Welded Defective Pipes & Tubes Grade: 304
73053990 Stainless Steel Welded Defective Pipes Grade: 304
73053990 Stainless Steel Welded Defective Pipes Grade: 304
73053990 Stainless Steel Welded Defective Pipes Grade 304

 

SS Erw Pipe Applications
  • Chemicals, Pharmaceuticals, Petrol Chemicals
  • Textile Industries
  • Condensers, Heat Exchangers, Heating Coils, Evaporators
  • Paper & Pulp Manufacturing
  • Sugar Mills, Dairies, Breweries, Food Processing
  • Power Plants

 

Stainless Steel Welded Pipe Astm A312 Price
Description Per Unit (INR) PRice in USD
Stainless Steel Secondary / Defective Welded Pipe Grade 304 103 1.39
Stainless Steel Secondary / Defective Welded Pipe Grade 316 129 1.74
Stainless Steel Defective Welded Pipe Grade 316 149 2.01
Stainless Steel Defective Welded Pipe Grade 304 118 1.59
Stainless Steel Defective Welded Pipe Grade 2205 123 1.66
Stainless Steel Defective Welded Pipe Grade 304 134 1.80

 

SS Welded Pipe Grades Available
TP304/1.4301Stainless Steel Welded Pipes TP321/1.4541Stainless Steel Welded Pipes
TP304L/1.4307Stainless Steel Welded Pipes TP317L/1.4449Stainless Steel Welded Pipes
TP304H/1.4948Stainless Steel Welded Pipes TP347H/1.4912Stainless Steel Welded Pipes
TP316/1.4401Stainless Steel Welded Pipes TP309S/1.4833Stainless Steel Welded Pipes
TP316L/1.4404Stainless Steel Welded Pipes TP310S/1.4845Stainless Steel Welded Pipes
TP316Ti/1.4571Stainless Steel Welded Pipes 904LStainless Steel Welded Pipes

 

Astm A312 Welded Pipe Other Available Products
  • Austenitic Chromium Nickel Stainless Steel Welded Pipe
  • Ferritic Stainless Steel Grade ERW Welded Pipe
  • Stainless Steel ERW Pipes
  • Austenitic Stainless Steel ERW Pipe
  • Stainless Steel Welded ERW Pipe
  • Steel 304 / 310 / 316 / 316L ERW Pipe
  • SS UNS S30400 ERW Pipes
  • SS 316 UNS S31600 ERW Pipe
  • Ferritic Stainless Steel Welded Pipe
  • Martensitic Stainless Steel ERW Pipe
  • Chromium Nickel Stainless Steel Welded Pipe
  • Stainless Steel ERW Pipe
  • Chromium Stainless Steel ERW Pipe
  • ASTM/ASME A312 SS 347/H ERW Pipes
  • Austenitic Stainless Steel Grade Welded Pipe
  • Steel 317 DIN 1.4449 ERW Pipe
  • ERW Black Steel Pipes
  • SS 321H UNS S32109 ERW Pipes
  • Steel ASTM 270 ERW Pipes
  • SS ERW Pipe
  • SS 446 ERW Rectangular Pipes
  • Super Austenitic Stainless Steel ERW Pipe
  • WERKSTOFF NR. 1.4961 SS ERW Pipes
  • Super Ferritic Stainless Steel Grades ERW Pipe
  • Martensitic Stainless Steel Grade ERW Pipe
  • Stainless Steel ERW Pipe
  • Super Ferritic Stainless Steel ERW Pipe
  • ASTM A-249 Stainless Steel ERW Square Pipes
  • Super Martensitic Stainless Steel Welded Pipe
  • TP 410 SS ERW Pipe
  • ASTM A213 Stainless Steel Welded Pipe
  • Stainless Steel 316LN ERW Pipes
  • Austenitic and Ferritic Stainless Steel ERW Pipe
  • 347H SS ERW Pipe

 

Typical Manufacturing Specifications of SS Welded Square Pipe
  • ASTM A554
  • ASTM A213
  • ASTM A312
  • ASTM A249
  • Also individual customer specifications.

 

If Looking for SS Fusion Welded (EFW) Pipes at lowest price so Check our Price List in India, stock Large Diameter Fabricated Stainless Steel Pipes as per Standards and Equivalent

 

Large Diameter Stainless Steel Welded Pipe Delivery Condition
  • Hot Finish
  • Cold Finish
  • Bright Annealed
  • Polished
  • Annealed and Pickled
  • Passivated
  • Stress Relived
  • As Welded
  • Welded & Externally Polished
  • Welded Annealed & Pickled
  • Welded Cold Drawn Annealed & Pickled
  • Welded Cold Drawn Annealed Pickled & Externally Polished

SS Erw Pipe Manufacturers
  • Sanyo Special Steel, Japan
  • Nippon Steel Corporation, Japan
  • Tubacex Tubos Inoxidables S.A., Spain
  • Seah Steel Corporation, Korea
  • Kobe Special Tube, Japan
  • Schoeller Bleckmann, Austria
  • Sumitomo Metals, Japan

 

Stainless Steel Welded Pipe Dimensions
Outside
Diameter		 Qty/B 0.7 0.6 1.0 0.9 2.0 1.5 4.0 5.0 6.0
Inches mm Lgh Kgs Kgs Kgs Kgs Kgs Kgs Kgs Kgs Kgs
3/8" 9.5 100 0.94 0.81 1.29 1.18   1.82      
1/2" 12.7 100 1.28 1.10 1.78 1.61   2.55      
5/8" 15.9 100 1.62 1.39 2.26 2.05   3.28      
3/4" 19.1 100 1.96 1.69 2.75 2.49   4.01      
7/8" 22.2 100 2.29 1.97 3.22 2.91   4.72      
1" 25.4 100 2.63 2.26 3.71 3.35   5.45      
11/8" 28.6 50 2.97 2.55 4.19 3.79   6.18      
11/4" 31.8 50 3.31 2.84 4.68 4.23   6.91      
11/2" 38.1 50 3.98 3.42 5.64 5.09   8.34      
15/8" 41.3 50 4.32 3.71 6.12 5.52   9.07      
13/4" 44.5 50 4.66 4.00 6.61 5.96   9.80      
2" 50.8 10     7.57 6.82 14.83 11.24      
21/2" 63.5 10     9.50 8.56 18.69 14.13      
3" 76.2 10     11.43 10.30 22.55 17.03 43.88    
31/2" 88.9 10     13.36 12.03 26.41 19.92 51.60    
4" 101.6 10         30.27 22.82 59.32 73.39 87.16
5" 127 10                  
6" 152.4 10

 

Astm A312 Welded Pipe Packing & Delivery
  • Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.
  • ten pieces wrapped with water-proof material, bundled with nylon rope.
  • SS Welded ERW Pipe/ Tube is sleeved into plastic bag individually
  • Great care is taken during operation and transportation.

 


SS EFW Pipe Manufacturing Process

Most Common Method

  • Continuous Welding (CW)
  • Submerged Arc Welding (SAW)
  • Laser Welding (LW)
  • Electric resistance welded (ERW)

Process

  • looping
  • packaging
  • eddy current testing
  • final inspection (strictly)
  • sizing block and correction
  • pre-correction
  • end cutting and welding
  • welding
  • cutting
  • pickling
  • Induction heat treatment
  • hydraulic pressure testing
  • shipments
  • surface flatness
  • Uncoil the raw materials
  • forming
  • remove the welding bead

 

Instead Of Stockist Why You Should Buy Ss Welded Pipe From Manufacturer ?
  • Quick response
  • ANSI B36.10 - B36.19 Dimensional standard
  • Mill Test Certificate (MTC) with every delivery
  • Tested & Certified material
  • Manufactured in Indian & European steel mills
  • Weld joint without the addition of any filler metal
  • Rollers and mechanically forming
  • Get exact sizes
  • Vast size range
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SS Welded Square Pipe Od Tolerance

ASTM A312 Stainless Steel Pipes OD Tolerance

NPS ASTM A312  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

 

ASTM A312 Stainless Steel Pipes WT Tolerance %

NPS

ASTM A312  WT 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

 

 

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