SAE 409 Stainless Steel (Annealed bar) vs SAE 410 Stainless Steel (Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000)
Property comparison of SAE 409 Stainless Steel (Annealed bar) and SAE 410 Stainless Steel (Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000), both stainless steel.
| Property | SAE 409 Stainless Steel (Annealed bar) | SAE 410 Stainless Steel (Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000) | Difference |
|---|---|---|---|
| Yield strength | 240 MPa | 1,005 MPa | +319% |
| Tensile strength | 450 MPa | 1,085 MPa | +141% |
| Elongation | 25 % | 13 % | -48% |
| 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 | 25 W/m·K | 24.7 W/m·K | -1% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.00001 1/K | -3% |
| Melting point | 1,480 °C | 1,450 °C | -2% |
Difference is SAE 410 Stainless Steel (Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000) relative to SAE 409 Stainless Steel (Annealed bar). 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
- 409
- standard
- SAE
- heat treatment
- Annealed bar
- grade
- 410
- standard
- SAE
- heat treatment
- Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000 °F); 16 mm (0.625 in.) bar
About 400-series stainless steels
Martensitic and ferritic stainless steels carry less nickel than the 300-series and remain magnetic. 410 and 420 are hardenable by quench and temper and are used for cutlery, shafts, and valve parts. 430 stays soft and is used for cosmetic trim and mild corrosion service. Compared to 300-series grades they trade general corrosion resistance for hardenability.
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