Alloy Wire International
Datasheet: Stainless Steel 316
Stainless Steel 316
Stainless Steel 316 has slightly better corrosion resistance than 302 and 304, and also has better non-magnetic properties. Stainless Steel 316 shows excellent corrosion and oxidation resistance in a range of atmospheric environments and corrosive media.
Stainless Steel 316 is also known as AISI 316.
Available in all profile options
Key Features
Stainless Steel 316 offers the following key features:
Better corrosion resistance and non-magnetic properties than 302 & 304 stainless.
Better pitting and crevice corrosion resistance than 302 & 304 stainless.
Typical Applications
Stainless Steel 316 is known to be suitable for the following applications:
More suited to Marine, Food and Medical applications than 302 and 304 stainless.
Food processing
Springs
Engineered components
Wire mesh
Wire cloth
Hose braiding
Designations
W.NR 1.4401
W.NR 1.4404
UNS S31600
AWS 162
Specifications
ASTM A313
ASTM A580
BS 970
BS 2056
Chemical Composition
The chemical composition of Stainless Steel 316 is indicated in the table below:
| Element | Min % | Max % |
|---|---|---|
| C | – | 0.07 |
| Mn | – | 2.00 |
| P | – | 0.045 |
| S | – | 0.03 |
| Si | – | 1.00 |
| Cr | 16.00 | 18.50 |
| Ni | 9.50 | 13.00 |
| Mo | 2.00 | 2.50 |
Alloy Details
Stainless Steel 316 density, melting point, coefficient of expansion, modulus of rigidity, and elasticity is indicated in the table below:
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
|---|---|---|---|---|
| 8.0 g/cm³ | 1398 °C | 17.5 μm/m °C (20 – 100 °C) | 70.3 kN/mm² | 187.5 kN/mm² |
| 0.289 lb/in³ | 2555 °F | 9.7 x 10-6 in/in °F (70 – 212 °F) | 10196 ksi | 27195 ksi |
Heat treatment of finished parts
The typical heat treatment of Stainless Steel 316:
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
|---|---|---|---|---|
| Annealed or Spring Temper | Stress Relieve | 250 °C (480 °F) | 1 Hr | Air |
Properties
The typical mechanical properties of Stainless Steel 316:
| Annealed | ||
|---|---|---|
| Approx. tensile strength | <800 N/mm² | <116 ksi |
| Approx. operating temperature | -200 to +300 °C | -330 to +570 °F |
| Spring Temper | ||
|---|---|---|
| Approx. tensile strength | 1300 – 2200 N/mm² | 189 – 319 ksi |
| Approx. operating temperature | -200 to +300 °C | -330 to +570 °F |
The above tensile strength ranges are typical. If you require different please ask.
