ASTM A572 Grade 450
ASTM A572 Grade 450 introduction
ASTM A572 Grade 450 is a versatile and high-performance steel grade suitable for a wide range of structural and pressure vessel applications where strength, weldability, and moderate corrosion resistance are required.
ASTM A572 Grade 450 Welding:
ASTM A572 Grade 450 steel is weldable using various methods, including shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). Preheating and post-weld heat treatment are recommended for thicker plates and certain applications to ensure weld quality and prevent cracking.
ASTM A572 Grade 450 Corrosion Resistance:
ASTM A572 Grade 450 steel has moderate corrosion resistance and can be used in environments with mild atmospheric corrosion. However, it is not recommended for severe corrosion environments, such as marine applications, without additional corrosion protection measures.
ASTM A572 Grade 450 general
| Property | Value | Comment |
|---|---|---|
| Density | Density of 7.8 g/cm³ | Typical for Steel |
ASTM A572 Grade 450 thermal
| Property | Value | Comment |
|---|---|---|
| Coefficient of thermal expansion | Coefficient of thermal expansion of 11.78 1/K | Predicted Value |
| Max service temperature | Max service temperature of 299.5 °C | Predicted Value, Long |
| Specific heat capacity | Specific heat capacity of 460.9 J/(kg·K) | Predicted Value |
| Thermal conductivity | Thermal conductivity of 40.51 W/(m·K) | Predicted Value |
ASTM A572 Grade 450 chemical
| Property | Value | Related Standards |
|---|---|---|
| Carbon | Carbon of 0.23 % | ASTM A572 |
| Manganese | Manganese of 1.65 % | ASTM A572 |
| Phosphorus | Phosphorus of 0.03 % | ASTM A572 |
| Silicon | Silicon of 0.4 % | ASTM A572 |
| Sulfur | Sulfur of 0.03 % | ASTM A572 |
ASTM A572 Grade 450 electrical
| Property | Value | Comment |
|---|---|---|
| Electrical conductivity | Electrical conductivity of 7 S/m | Predicted Value |
| Electrical resistivity | Electrical resistivity of 35 Ω·m | Predicted Value |
ASTM A572 Grade 450 mechanical
| Property | Value | Comment |
|---|---|---|
| Elastic modulus | Elastic modulus of 190 - 210 GPa | Typical for Steel |
| Elongation | Elongation of 14.2 % | Predicted Value, A200 |
| - | Elongation of 15.6 % | Predicted Value, A80 |
| - | Elongation of 18.3 % | Predicted Value, Transverse |
| - | Elongation of 19.6 % | Predicted Value, A80 Transverse |
| - | Elongation of 20.3 % | Predicted Value, A5 |
| - | Elongation of 21.2 % | Predicted Value, A50 |
| - | Elongation of 21.4 % | Predicted Value |
| Hardness, Brinell | Hardness, Brinell of 244 [-] | Predicted Value, Transverse |
| Poisson's ratio | Poisson's ratio of 0.3 [-] | Typical for Steel |
| Reduction of area | Reduction of area of 41.6 % | Predicted Value |
| - | Reduction of area of 43.1 % | Predicted Value, Transverse |
| Shear modulus | Shear modulus of 79.5 GPa | Predicted Value |
| Shear strength | Shear strength of 515.9 MPa | Predicted Value |
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