ATI 410S Ferritic Stainless Steel (ASTM Minimum) vs ATI 430Ti Ferritic Stainless Steel
Property comparison of ATI 410S Ferritic Stainless Steel (ASTM Minimum) and ATI 430Ti Ferritic Stainless Steel, both stainless steel.
| Property | ATI 410S Ferritic Stainless Steel (ASTM Minimum) | ATI 430Ti Ferritic Stainless Steel | Difference |
|---|---|---|---|
| Yield strength | 290 MPa | 290 MPa | 0% |
| Tensile strength | 444 MPa | 455 MPa | +2% |
| Elongation | 33 % | 34 % | +3% |
| Elastic modulus | 200,000 MPa | 200,000 MPa | 0% |
| Density | 7,730 kg/m³ | 7,695 kg/m³ | 0% |
| Thermal conductivity | 26.9 W/m·K | 24.2 W/m·K | -10% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.00001 1/K | -6% |
Difference is ATI 430Ti Ferritic Stainless Steel relative to ATI 410S Ferritic Stainless Steel (ASTM Minimum). 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
- UNS S41008
- standard
- ASTM A240
- heat treatment
- Annealed
- grade
- UNS S43036
- standard
- ASTM A268
- heat treatment
- Annealed
About ferritic stainless steels
Ferritic stainless steels are magnetic, body-centered cubic, and cannot be hardened by heat treatment. They are cheaper than austenitic grades because they carry little or no nickel. 409 and 439 are the standard automotive exhaust grades; 444 and the superferritic grades (29-4C, E-Brite) handle chloride and seawater service better than 316 at lower nickel cost.
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