ASTM A533/A533M A533 Grade E Class 1 Introduce
ASTM A533/A533M A533 Grade E Class 1 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:1292°C - 1494°C
Application:Pressure vessel plates, alloy steel, quenched and tempered, manganese, molybdenum and manganese molybdenum nickel
ASTM A533/A533M A533 Grade E Class 1 Material Chemical Composition
The chemical composition of the ASTM A533/A533M A533 Grade E Class 1 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 0.1300 | 0.4500 |
| Sulfur (S) | - | 0.0150 |
| PhOsphorus (P) | - | 0.0200 |
| Nickel (Ni) | 0.5700 | 1.0300 |
| Molybdenum (Mo) | 0.2100 | 0.6400 |
| Manganese (Mn) | 1.0400 | 1.8400 |
| Carbon (C) | - | 0.2000 |
ASTM A533/A533M A533 Grade E Class 1 Material Mechanical Properties
The physical and mechanical properties of steel are important for its performance in various applications. The ASTM A533/A533M standard states the required properties for both Grade A and Grade B steel, such as the tensile strength, yield strength, hardness, elongation, malleability, toughness, weldability, and corrosion resistance.
The mechanical properties of the ASTM A533/A533M A533 Grade E Class 1 steel are as follows:
| YieldRp0.2 | ≤ 568 (MPa) |
| TeileRm | ≤ 413 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 31% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 343 |
ASTM A533/A533M A533 Grade E Class 1 Material Thermal Properties
The thermal performance parameters of the ASTM A533/A533M A533 Grade E Class 1 steel are as follows:
| Temperature (°C) | 34 | 457 | 778 |
| Modulus of elasticity (GPa) | - | 358 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 314 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 223 |
| Poisson’s coefficient, ν | - | - | 112 |
ASTM A533/A533M A533 Grade E Class 1 Material Machining Technology
ASTM A533/A533M A533 Grade E Class 1 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.