316L Stainless Steel Hollow Bar ASTM A312 316L Hollow Bar
Product Specifications
Standard: 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 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 superior overall performance compared to 310 and 304 stainless steels. The key differences include:
• 316L contains slightly higher molybdenum content than 316
• 316L has maximum carbon content of 0.03% for enhanced corrosion resistance in welded applications
• Both grades offer excellent chloride resistance, making them ideal for marine environments
• 316L is preferred 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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