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Product Overview
Stainless Steel 316 is an austenitic molybdenum-bearing grade, second only to 304 in importance among austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. Grade 316L is the low-carbon version that is immune from sensitization (grain boundary carbide precipitation). Grade 316Ti is titanium-stabilized, designed to improve resistance to intergranular corrosion during heating in the carbide precipitation temperature range (425-815°C). Grade 316H is the high-carbon version (0.04–0.10% C) offering superior creep strength at elevated temperatures above 500°C, commonly used in high-pressure steam and petrochemical applications. Steel Emporium stocks the complete range in seamless and welded forms.
Key Advantages & Features
Marine Grade Resistance
Superior resistance to chlorides and salts compared to other grades.
Molybdenum Added
2-3% Mo content increases resistance to pitting corrosion in sea water.
High Temp Stability
316Ti version prevents intergranular corrosion at high temperatures.
| Grade | C | Mn | Si | Cr | Ni | Mo | Ti |
|---|---|---|---|---|---|---|---|
| SS 316 | 0.08 max | 2.0 | 0.75 | 16-18 | 10-14 | 2-3 | - |
| SS 316L | 0.03 max | 2.0 | 0.75 | 16-18 | 10-14 | 2-3 | - |
| SS 316Ti | 0.08 max | 2.0 | 0.75 | 16-18 | 10-14 | 2-3 | 5x(C+N) min |
| SS 316H | 0.04–0.10 | 2.0 | 0.75 | 16-18 | 10-14 | 2-3 | - |
| Property | SS 316 | SS 316L / 316Ti | SS 316H |
|---|---|---|---|
| Tensile Strength (MPa) min | 515 | 485 | 515 |
| Yield Strength 0.2% (MPa) min | 205 | 170 | 205 |
| Elongation (% in 50mm) min | 40% | 40% | 40% |
| Hardness (Rockwell B) max | 95 HRB | 95 HRB | 95 HRB |
| Density (kg/m³) | 8000 | 8000 | 8000 |
| Grade | UNS No | Werkstoff No. | JIS | BS |
|---|---|---|---|---|
| SS 316 | S31600 | 1.4401 | SUS 316 | 316S31 |
| SS 316L | S31603 | 1.4404 / 1.4435 | SUS 316L | 316S11 |
| SS 316Ti | S31635 | 1.4571 | SUS 316Ti | 320S31 |
| SS 316H | S31609 | 1.4436 | SUS 316H | 316S51 |
Industrial Applications
Marine Applications
Coastal architectural paneling & boat fittings.
Chemical Process
Equipment handling highly corrosive chemicals.
Pharmaceutical
Process equipment in sterile environments.
Oil & Gas
Offshore platforms and underwater piping.
Food Preparation
Equipment in chloride-rich food processing.
Medical Implants
Surgical stainless steel requirements.