SUS310S Stainless Steel: High-Temperature Heat Resistant Alloy
Jan 20, 2026
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Chemical Composition
The following table shows the chemical composition of grade 310S stainless steel.
| Element | Content (%) |
|---|---|
| Iron, Fe | 54 |
| Chromium, Cr | 24-26 |
| Nickel, Ni | 19-22 |
| Manganese, Mn | 2 |
| Silicon, Si | 1.50 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
Physical Properties
The physical properties of grade 310S stainless steel are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8 g/cm3 | 0.289 lb/in³ |
| Melting point | 1455°C | 2650°F |
Mechanical Properties
The following table outlines the mechanical properties of grade 310S stainless steel.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 515 MPa | 74695 psi |
| Yield strength | 205 MPa | 29733 psi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation | 40% | 40% |
| Reduction of area | 50% | 50% |
| Hardness | 95 | 95 |
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