ASTM A470 Grade A Class 2 Double-Normalized and Tempered
ASTM A470 Grade A Class 2 Double-Normalized and Tempered general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 - 7.9 g/cm³ | Typical for Nickel Chromium Molybdenum Steel |
ASTM A470 Grade A Class 2 Double-Normalized and Tempered thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | 23.0 °C | Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K | Typical for Nickel Chromium Molybdenum Steel |
| Melting point | - | Melting point of 1382 - 1529 °C | Typical for Nickel Chromium Molybdenum Steel |
| Specific heat capacity | 23.0 °C | Specific heat capacity of 448 - 670 J/(kg·K) | Typical for Nickel Chromium Molybdenum Steel |
| Thermal conductivity | 23.0 °C | Thermal conductivity of 34 - 54 W/(m·K) | Typical for Nickel Chromium Molybdenum Steel |
ASTM A470 Grade A Class 2 Double-Normalized and Tempered chemical
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.015 % |
| Carbon | Carbon of 0.22 - 0.3 % |
| Chromium | Chromium of 0.75 % |
| Manganese | Manganese of 0.2 - 0.6 % |
| Molybdenum | Molybdenum of 0.4 - 0.6 % |
| Nickel | Nickel of 3.2 - 3.7 % |
| Phosphorus | Phosphorus of 0.01 % |
| Sulfur | Sulfur of 0.012 % |
| Vanadium | Vanadium of 0.04 - 0.12 % |
ASTM A470 Grade A Class 2 Double-Normalized and Tempered mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Charpy impact energy | 23.0 °C | Charpy impact energy of 38 J | - |
| Elastic modulus | 23.0 °C | Elastic modulus of 200 - 215 GPa | Typical for Nickel Chromium Molybdenum Steel |
| Elongation A50 | 23.0 °C | Elongation A50 of 22 % | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.29 [-] | Typical for Nickel Chromium Molybdenum Steel |
| Reduction of area | 23.0 °C | Reduction of area of 50 % | - |
| Tensile strength | 23.0 °C | Tensile strength of 550 MPa | - |
| Yield strength | 23.0 °C | Yield strength of 380 MPa | - |
| Yield strength Rp0.02 | 23.0 °C | Yield strength Rp0.02 of 380 MPa | - |
| Yield strength Rp0.2 | 23.0 °C | Yield strength Rp0.2 of 415 MPa | - |
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