SAE 201 Stainless Steel (50% hard) vs SAE 202 Stainless Steel (50% hard sheet)
Property comparison of SAE 201 Stainless Steel (50% hard) and SAE 202 Stainless Steel (50% hard sheet), both stainless steel.
| Property | SAE 201 Stainless Steel (50% hard) | SAE 202 Stainless Steel (50% hard sheet) | Difference |
|---|---|---|---|
| Yield strength | 760 MPa | 760 MPa | 0% |
| Tensile strength | 1,035 MPa | 1,030 MPa | 0% |
| Elongation | 12 % | 10 % | -17% |
| Elastic modulus | 193,000 MPa | 193,000 MPa | 0% |
| Shear modulus | 74,231 MPa | 74,231 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,850 kg/m³ | 7,850 kg/m³ | 0% |
| Thermal conductivity | 15.1 W/m·K | 15.1 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000016 1/K | 0.000016 1/K | 0% |
| Melting point | 1,400 °C | 1,400 °C | 0% |
Difference is SAE 202 Stainless Steel (50% hard sheet) relative to SAE 201 Stainless Steel (50% hard). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- 201
- standard
- SAE
- heat treatment
- 50% hard
- grade
- 202
- standard
- SAE
- heat treatment
- 50% hard sheet
About 200-series stainless steels
200-series grades substitute manganese and nitrogen for some of the nickel found in the 300-series. They have similar corrosion behavior to 304 in mild environments at lower alloy cost but reduced performance in chloride and pitting service. Cold work hardens them more aggressively than the 300-series.
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