ASTM TP316 316L Stainless Steel Pipe 1.4404 Seamless Pipe
High-quality ASTM A312 316 and 316L stainless steel round pipes, pickled for marine applications, offering superior corrosion resistance and durability.
Product Specifications
- Standards: ASTM A249, ASTM A268, ASTM A269, ASTM A312
- Material: 316, 316L Stainless Steel
- Outer Diameter: 1.0-1220mm (1/8"-48")
- Wall Thickness: 0.1-150mm (SCH 5S-XXS)
- Length: 3m, 5.8m, 6m, 11.8m, or custom lengths
- Surface Finish: Pickled, annealed, polished, bright, sand blast, hair line
316 vs 316L Stainless Steel Comparison
Both 316 and 316L stainless steels are molybdenum-containing alloys with enhanced performance characteristics compared to 310 and 304 stainless steels. The molybdenum content in 316L is slightly higher, providing superior overall performance. These steels offer excellent chloride resistance, making them ideal for marine environments. 316L stainless steel features a maximum carbon content of 0.03%, making it suitable for applications requiring maximum corrosion resistance without post-weld annealing.
Chemical Composition Comparison
| Material |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
N |
| 316 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.03 |
10.0~14.0 |
16.0~18.5 |
2.00~3.00 |
≤0.10 |
| 316L |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.03 |
10.0~14.0 |
16.0~18.0 |
2.00~3.00 |
≤0.10 |
Mechanical Properties Comparison
| Grade |
UNS |
Tensile Strength (MPa) min |
Yield Strength (MPa) min |
Elongation (%) min |
Brinell Hardness (HB) max |
Rockwell Hardness (HRB) max |
| 316 |
S31600 |
515 |
205 |
40 |
217 |
95 |
| 316L |
S31603 |
485 |
170 |
40 |
217 |
95 |
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