ASTM A551 Class CHT Heat‑Treated Steel: Properties & Performance
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for High Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for High Carbon Steel |
Elongation A50 | 23.0 °C | 12 % | |
Hardness, Brinell | 23.0 °C | 285 - 331 [-] | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for High Carbon Steel |
Reduction of area | 23.0 °C | 24 % | |
Shear modulus | 23.0 °C | 81 GPa | Typical for High Carbon Steel |
Tensile strength | 23.0 °C | 965 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 1/K | Typical for High Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1289 - 1478 °C | Typical for High Carbon Steel | |
Specific heat capacity | 23.0 °C | 486 J/(kg·K) | Typical for High Carbon Steel |
Thermal conductivity | 23.0 °C | 36 W/(m·K) | Typical for High Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.06 % |
Carbon | 0.7 - 0.85 % |
Chromium | 0.25 % |
Copper | 0.35 % |
Manganese | 0.6 - 0.9 % |
Molybdenum | 0.1 % |
Nickel | 0.25 % |
Niobium | 0.05 % |
Phosphorus | 0.03 % |
Silicon | 0.15 - 1 % |
Sulfur | 0.005 - 0.04 % |
Titanium | 0.03 % |
Vanadium | 0.04 % |
Metal
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