ASTM A537 Class 2
ASTM A537 Class 2 introduction
Steel for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese- Silicon Steel
ASTM A537 Class 2 general
| Property | Value | Comment |
|---|---|---|
| Density | Density of 7.8 - 7.9 g/cm³ | typical for low carbon steel |
ASTM A537 Class 2 thermal
| Property | Value | Comment |
|---|---|---|
| Coefficient of thermal expansion | Coefficient of thermal expansion of 1.32e-05 - 1.38e-05 1/K | typical for low carbon steel |
| Max service temperature | Max service temperature of 500 °C | typical for carbon steel |
| Melting point | Melting point of 1480 - 1526 °C | typical for low carbon steel |
| Specific heat capacity | Specific heat capacity of 465 J/(kg·K) | typical for low carbon steel |
| Thermal conductivity | Thermal conductivity of 25 - 93 W/(m·K) | typical for low carbon steel |
ASTM A537 Class 2 chemical
| Property | Value | Comment |
|---|---|---|
| Carbon | Carbon of 0.24 % | - |
| Chromium | Chromium of 0.25 - 0.29 % | depending on analysis |
| Copper | Copper of 0.35 - 0.38 % | depending on analysis |
| Manganese | Manganese of 0.64 - 1.72 % | depending on analysis and thickness |
| Molybdenum | Molybdenum of 0.08 - 0.09 % | depending on analysis |
| Nickel | Nickel of 0.25 - 0.28 % | depending on analysis |
| Phosphorus | Phosphorus of 0.025 % | max. |
| Silicon | Silicon of 0.13 - 0.55 % | depending on analysis |
| Sulfur | Sulfur of 0.025 % | max. |
ASTM A537 Class 2 electrical
| Property | Value | Comment |
|---|---|---|
| Electrical resistivity | Electrical resistivity of 1.43e-07 - 1.74e-07 Ω·m | typical for carbon steel |
ASTM A537 Class 2 mechanical
| Property | Value | Comment |
|---|---|---|
| Elastic modulus | Elastic modulus of 200 - 215 GPa | typical for low carbon steel |
| Elongation | Elongation of 20 - 22 % | min. values depending on the thickness |
| Poisson's ratio | Poisson's ratio of 0.29 [-] | typical for low carbon steel |
| Shear modulus | Shear modulus of 82 GPa | typical for low carbon steel |
| Tensile strength | Tensile strength of 485 - 690 MPa | range depending on the thickness |
| Yield strength | Yield strength of 315 - 415 MPa | ReH, min. values depending on the thickness, If not apparent, the yield strength Rp0.2 is measured |
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