SS317L
SS317L is a low-carbon austenitic stainless steel with more molybdenum than 316L. The higher molybdenum content improves resistance to pitting and crevice corrosion in many chloride and chemical environments.
SS317L Information
SS317L is a low-carbon austenitic stainless steel with more molybdenum than 316L. The higher molybdenum content improves resistance to pitting and crevice corrosion in many chloride and chemical environments.
Metallic winding and compatible ring components where service conditions are suitable.
| Material specification | ASTM A240 |
|---|---|
| Specified grade / UNS | 317L S31703 |
SS317L Chemical Composition
ASTM A240 · Grade-specific requirements
| Element / requirement | Value |
|---|---|
| C % | ≤0.030 |
| Mn % | ≤2.00 |
| P % | ≤0.045 |
| S % | ≤0.030 |
| Si % | ≤0.75 |
| Cr % | 18.0–20.0 |
| Ni % | 11.0–15.0 |
| Mo % | 3.0–4.0 |
| N % | ≤0.10 |
| Cu % | - |
| Other elements | - |
SS317L Mechanical Properties
ASTM A240 · Grade-specific requirements
| Tensile min (MPa) | Yield min (MPa) | Elongation min (%) | Hardness max |
|---|---|---|---|
| 515 | 205 | 40 | ≤217 HBW |
ASTM A240 Grade Reference
317L S31703
The chemical and mechanical tables on this page use the ASTM A240 requirements for this grade, including the product conditions listed in the standard overview.
Specify SS317L for your gasket
Share your gasket dimensions, service conditions and quantity for SS317L material options and pricing.