ASTM A533/A533M A533 Grade E Class 3 Introduce
ASTM A533/A533M A533 Grade E Class 3 is a kind of nuclear pressure vessel steel.In order to meet different needs of designers, alloy components concentration and other rules of ASTM A533/A533M are not exactly the same.
Smelting temperature:1848°C - 1185°C
Application:Pressure vessel plates, alloy steel, quenched and tempered, manganese, molybdenum and manganese molybdenum nickel
ASTM A533/A533M A533 Grade E Class 3 Material Mechanical Properties
The mechanical properties of ASTM A533/A533M A533 Grade E Class 3 steel depend on both its chemical composition and the heat treatment used during the production process. The table below provides an overview of the mechanical properties of ASTM A533/A533M A533 Grade E Class 3 steel, including its tensile strength, yield strength, elongation, reduction of area, and the Brinell and Rockwell hardness scale.
The mechanical properties of the ASTM A533/A533M A533 Grade E Class 3 steel are as follows:
| YieldRp0.2 | ≤ 814 (MPa) |
| TeileRm | ≤ 421 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 22% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 344 |
ASTM A533/A533M A533 Grade E Class 3 Material Thermal Properties
The thermal performance parameters of the ASTM A533/A533M A533 Grade E Class 3 steel are as follows:
| Temperature (°C) | 22 | 585 | 326 |
| Modulus of elasticity (GPa) | - | 842 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 213 |
| Poisson’s coefficient, ν | - | - | 314 |
ASTM A533/A533M A533 Grade E Class 3 Material Machining Technology
ASTM A533/A533M A533 Grade E Class 3 steel is highly weldable, and is typically used in applications where welding is required. The steel is not pre- or post-heat treated before welding, but it must undergo low-temperature preheating to avoid hydrogen embrittlement.