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ASTM A312 TP 316/316L ERW Pipes are premium molybdenum-bearing stainless steel welded pipes designed for highly corrosive and high-temperature environments. These pipes offer superior resistance to chlorides, acids, and marine conditions, making them ideal for chemical processing, marine engineering, pharmaceutical, and offshore applications.
Grade 316 provides enhanced corrosion resistance compared to 304, especially in chloride environments, while 316L (low carbon version) minimizes carbide precipitation during welding, ensuring excellent weldability and long-term structural integrity.
| Standard | ASTM A312 / ASME SA312 |
|---|---|
| Grades | TP 316 / TP 316L |
| Manufacturing Process | Electric Resistance Welded (ERW) |
| Size Range | 1/2" NB to 24" NB |
| Wall Thickness | Schedule 5S to Schedule 80S |
| Length | 6 Meters Standard / Custom Length |
| Surface Finish | Annealed & Pickled, Polished, Matte Finish |
| End Type | Plain End, Beveled End, Threaded |
| Element | 316 (%) | 316L (%) |
|---|---|---|
| Carbon | 0.08 Max | 0.03 Max |
| Chromium | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel | 10.0 – 14.0 | 10.0 – 14.0 |
| Molybdenum | 2.0 – 3.0 | 2.0 – 3.0 |
ASTM A312 TP 316/316L ERW Pipes provide exceptional corrosion resistance, enhanced mechanical strength, and excellent weldability, making them the preferred choice for aggressive industrial and marine environments.