SS316L
SS316L is the low-carbon version of SS316. It retains the molybdenum-enhanced corrosion resistance of the 316 family while reducing susceptibility to chromium-carbide precipitation in welded sections.
SS316L Grade Information
SS316L is the low-carbon version of SS316. It retains the molybdenum-enhanced corrosion resistance of the 316 family while reducing susceptibility to chromium-carbide precipitation in welded sections.
Indian stainless flat-product standard, revised as IS 6911:2026. The selected grade connections below are documented in BIS product guidance; exact 2026 grade designations must be checked against the ordered standard.
| Material specification | IS 6911 |
|---|---|
| Material identification | S31603 |
| Product / supply condition | Specify hot/cold rolled condition, heat treatment, thickness and finish. |
SS316L Chemical Composition
Manufacturer typical composition, mass %; selected elements only.
| Element / description | Mass % / reference value |
|---|---|
| C | 0.02 |
| Cr | 17.2 |
| Ni | 10.1 |
| Mo | 2.1 |
| Other | — |
SS316L Mechanical Properties
Published reference values for the stated form and condition. Typical values are not specification acceptance limits.
| Product form / condition | Tensile (MPa) | 0.2% proof / yield (MPa) | Elongation (%) | Data basis |
|---|---|---|---|---|
| Hot-rolled plate, usually 10–20 mm, transverse; room temperature | 570 | 260 | 55 | Manufacturer typical values; elongation A5. |
Manufacturer reference data is shown for comparison. Use the selected IS 6911 edition and certified material test results for acceptance. Confirm specimen direction, gauge length, thickness and heat treatment.
IS 6911 Grade Reference
S31603
| Material specification | IS 6911 |
|---|---|
| Source edition | IS 6911:2026 |
| Publication status | Revised in 2026 |
| Product / supply condition | Specify hot/cold rolled condition, heat treatment, thickness and finish. |
| Specification information | The 2017 edition was withdrawn after 18 August 2026. The 2026 revision updates grade designations and includes 153 grades across five steel classes. The three grades linked here are a selected, source-supported subset, not the full scope. |
| Comparison tables | View the IS 6911 comparison tables |
| Material overview | View SS316L in Materials |
| Source reference | BIS — IS 6911:2026 implementation circular, 23 April 2026 |
| Source reference | BIS — IS 4351 product manual, Annex A (documented IS 6911 grade references) |
| Source reference | Outokumpu — Steel Grades, Properties and Global Standards, Tables 4, 5 and 7 |
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