ASTM A533/A533M A533 Grade E Class 2 Introduce
ASTM A533/A533M A533 Grade E Class 2 steel is a quenched and tempered carbon manganese-silicon steel plate grade. It is mainly used for structural applications in high pressure environments and for high temperature applications, and is also used for bridges, ships, and certain structures, such as offshore oil rigs, boilers, vessels and pressure vessels. ASTM A533/A533M A533 Grade E Class 2 is popular for its superior strength, ductility, and corrosion resistance.
Smelting temperature:1819°C - 1844°C
Application:Pressure vessel plates, alloy steel, quenched and tempered, manganese, molybdenum and manganese molybdenum nickel
ASTM A533/A533M A533 Grade E Class 2 Material Chemical Composition
The chemical composition of the ASTM A533/A533M A533 Grade E Class 2 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 2 Material Mechanical Properties
The ASTM A533/A533M steel standard provides valuable guidance for the selection and use of the right steel for the right purpose. The standard includes performance standards, chemical composition requirements, physical and mechanical properties, formability, and heat treatment parameters for both Grade A and Grade B steel. By following the guidance provided by this standard, engineers and manufacturers can ensure that the steel components they produce meet all the required performance standards and are of the highest quality.
The mechanical properties of the ASTM A533/A533M A533 Grade E Class 2 steel are as follows:
| YieldRp0.2 | ≤ 232 (MPa) |
| TeileRm | ≤ 122 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 131 |
ASTM A533/A533M A533 Grade E Class 2 Material Thermal Properties
The thermal performance parameters of the ASTM A533/A533M A533 Grade E Class 2 steel are as follows:
| Temperature (°C) | 41 | 713 | 651 |
| Modulus of elasticity (GPa) | - | 535 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 31.2 |
| Specific thermal capacity (J/kg·°C) | - | 442 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 214 |
| Poisson’s coefficient, ν | - | - | 341 |
ASTM A533/A533M A533 Grade E Class 2 Material Machining Technology
ASTM A533/A533M A533 Grade E Class 2 steel is a high strength, corrosion resistant alloy steel that is widely used in the modern industrial and energy development industry. This steel is composed mainly of manganese, sulfur, phosphorus, carbon, and silicon, and is capable of operating seamlessly in extreme low temperature environments. It is ideal for applications that require exceptional strength and a high resistance to corrosion, such as pressure vessels. Its machinability is dependent on its composition, and can be machined with good results using conventional cutting tools. The best technique for machining this steel is turning, and additional techniques such as drilling, tapping and reaming can also provide superior results.