Because austenitic stainless steel alloys, such as grade 316, often have good ductility, they can be shaped in unique ways. However, to increase the alloy's weldability, manufacturers utilise a low carbon variant. The ASTM A270 specification does not, however, provide requirements for welding in the case of astm a270 tp316l. But before welding, the ASME SA270 TP316L Sanitary Stainless Steel Tube must be free of any filler metals. Furthermore, the welding method used will be automatic. The issue with welding is the development of carbide precipitates, which leads to the component corroding.
Thus, by removing intergranular corrosion, the use of low carbon astm a270 tp316l sanitary tubing resolves the issue. The internal walls of ASTM A270 Sanitary Tubing come into touch with several food-active ingredients in sectors like the food and beverage industry. Similar to the pharmaceutical industry, the walls of ASTM A270 TP316L Sanitary Stainless Tubing come into touch with a variety of acid derivatives or extremely volatile substances.
As some reactions between the products could be exothermic and emit heat, this could be an issue for the area in the weld. Additionally, these procedures might leave behind some product residue that would adhere to the ASME SA270 TP316L tube walls inside. Therefore, producers have alternatives to the numerous finishes that may be utilised to treat the interior and external surface of the SA 270 TP316L Stainless Steel Pipe thanks to requirements like the ASTM A270.
|
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% |
