Austenitic stainless steel alloys including grade 316, tend to have excellent ductility and so they could be formed into unusual shapes. Yet, manufacturers use a low carbon version of the alloy to improve its weldability. However, in the case of astm a270 tp316l, the specification ASTM A270 does not include prerequisites for welding. Though if a welding operation is to take place, the welded ASME SA270 TP316L Sanitary Stainless Steel Tube must be minus any filler metals. And the welding procedure carried out is to be an automatic one. The problem associated with welding is the formation of carbide precipitates which causes the component to corrode.
So, the use of a low carbon astm a270 tp316l Sanitary Tubing solves the problem by eliminating intergranular corrosion. In industries like the food and beverage, that makes use of ASTM A270 Sanitary Tubing, the interior walls of the tube come in contact with certain actives present in food. Similarly, in the case of the pharma sector, there are various acid derivatives or highly volatile compounds that come in contact with the walls of the ASTM A270 TP316L Sanitary Stainless Tubing.
This may pose a problem to the area in the weld, as some reactions between the product could be exothermic and give off heat. Furthermore, these processes may also leave some product residue, which would stick to the interior of the ASME SA270 TP316L tubing walls. And so, specifications like the ASTM A270 provides manufacturers with alternatives to various finishes that may be used to treat the internal and external surface of the SA 270 TP316L Stainless Steel Pipe.
Type
|
Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
|
OD. | 1/2” |
Wall | 16 Gauge (0.065”) |
Length | 20′ |
OD Tolerance | +/-0.005” / +/-0.13MM |
WT Tolerance | +/-10% |
Length Tolerance | +1/8” / +3.18MM |
Standard | 3A / ASTM A270 / A270M |
Finish | 20Ra ID / 32Ra OD |
Polish | Mechanical Polished |
Type | Seamless |
Certification | 3A – Food / Dairy Grade |
Mill Test Certificate | EN10204 3.1 |
Packing | Sleeved, Ends Capped, Wooden Boxed |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Grade | UNS No | Old British | Euronorm | Swedish SS |
Japanese JIS |
||
BS | En | No | Name | ||||
316L | S31603 | 316S11 | – | 1.4404 | X2CrNiMo17-12-2 | 2348 | SUS 316L |
OD Size | Nominal wall | Outside Dia | Length | Wall |
1/2″ (12.7) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
3/4″ (19.1) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
1″ (25.4) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
1-1/2″ (38.1) | 0.065″ (1.65) | +/-0.008 (0.20) | +1/8″ (3.18)/-0 | +/-10% |
2″ (50.8) | 0.065″ (1.65) | +/-0.008 (0.20) | +1/8″ (3.18)/-0 | +/-10% |
2-1/2″ (63.5) | 0.065″ (1.65) | +/-0.010 (0.25) | +1/8″ (3.18)/-0 | +/-10% |
3″ (76.2) | 0.065″ (1.65) | +/-0.010 (0.25) | +1/8″ (3.18)/-0 | +/-10% |
4″ (101.6) | 0.083″ (2.11) | +/-0.015 (0.38) | +1/8″ (3.18)/-0 | +/-10% |
6″ (152.4) | 0.109″ (2.77) | +/-0.030 (0.76) | +3/16″ (4.76)/-0 | +/-10% |
8″ (203.2) | 0.109″ (2.77) | +/-0.030 (0.76) | +3/16″ (4.76)/-0 | +/-10% |