Alloy Wire International
Datasheet: Stainless Steel 302
Stainless Steel 302
Stainless Steel 302 has good mechanical properties and corrosion resistance, and is well known for its ease of fabrication and formability.
Stainless Steel 302 is also known as AISI 302.
Available in all profile options
Key Features
Stainless Steel 302 offers the following key features:
Good mechanical properties and corrosion resistance
Typical Applications
Stainless Steel 302 is known to be suitable for the following applications:
Springs
Engineered components
Wire mesh
Wire cloth
Hose braiding
Designations
W.Nr 1.4310
UNS 30200
AWS 160
Specifications
AMS 5688
ASTM A313
ASTM A580
BS 970
BS 2056
Chemical Composition
The chemical composition of Stainless Steel 302 is indicated in the table below:
| Element | Min % | Max % |
|---|---|---|
| C | – | 0.12 |
| Mn | – | 2.00 |
| P | – | 0.045 |
| S | – | 0.03 |
| Si | – | 1.00 |
| Cr | 17.00 | 19.00 |
| Ni | 8.00 | 10.00 |
| Fe | BAL |
Alloy Details
Stainless Steel 302 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 | 1420 °C | 17.6 μm/m °C (20 – 100 °C) | 70.3 kN/mm² | 187.5 kN/mm² |
| 0.289 lb/in³ | 2590 °F | 9.8 x 10-6 in/in °F (70 – 212 °F) | 11000 ksi | 27195 ksi |
Heat treatment of finished parts
The typical heat treatment of Stainless Steel 302:
| 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 302:
| 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.
