ASTM A312 TP316L Seamless Pipe 1.4404 Stainless Steel Pipe
High-quality ASTM A312 316/316L stainless steel round pipes with pickled surface treatment, specifically designed for marine applications and demanding industrial environments.
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 available
Surface Treatment: Pickled, annealed, polished, bright, sand blast, hair line
316 vs 316L Stainless Steel Comparison
Both 316 and 316L stainless steels are molybdenum-containing alloys that offer superior performance compared to 310 and 304 stainless steels. The molybdenum content provides enhanced corrosion resistance, making these steels ideal for marine environments and applications requiring chloride resistance.
316L stainless steel contains a maximum carbon content of 0.03%, making it suitable for applications that cannot be annealed after welding and require maximum corrosion resistance. The molybdenum content in 316L is slightly higher than in standard 316 stainless steel.
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 |
Product Images