ASTM A268 Grade 29-4 Reheated – Premium Ferritic Stainless Steel Properties
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.6 - 7.8 g/cm³ | Typical for Ferritic Stainless Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 220 GPa | Typical for Ferritic Stainless Steel |
Elongation A50 | 23.0 °C | 20 % | |
Hardness, Brinell | 23.0 °C | 207 [-] | |
Hardness, Rockwell B | 23.0 °C | 100 [-] | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Ferritic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Ferritic Stainless Steel |
Tensile strength | 23.0 °C | 550 MPa | |
Yield strength | 23.0 °C | 415 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 9.3E-6 - 1.2E-5 1/K | Typical for Ferritic Stainless Steel |
Melting point | 1425 - 1530 °C | Typical for Ferritic Stainless Steel | |
Specific heat capacity | 23.0 °C | 420 - 586 J/(kg·K) | Typical for Ferritic Stainless Steel |
Thermal conductivity | 23.0 °C | 11 - 22 W/(m·K) | Typical for Ferritic Stainless Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 6E-7 - 7.5E-7 Ω·m | Typical for Ferritic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.01 % |
Chromium | 28 - 30 % |
Copper | 0.15 % |
Manganese | 0.3 % |
Molybdenum | 3.5 - 4.2 % |
Nickel | 0.15 % |
Nitrogen | 0.02 % |
Phosphorus | 0.03 % |
Silicon | 0.2 % |
Sulfur | 0.02 % |
Metal
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