ASTM A537/A537M A537 Class 2 Introduce
The ASTM A537/A537M steel standard is one of the most widely used and adopted structural steel standards. It defines a range of grades for use in high-strength and intermediate-temperature applications. The ASTM A537/A537M steel standard was first developed in 1959 and has been revised many times over the years.
Smelting temperature:1527°C - 1173°C
Application:Heat treated carbon-manganese-silicon steel sheet for pressure vessels
ASTM A537/A537M A537 Class 2 Material Chemical Composition
The chemical composition of the ASTM A537/A537M A537 Class 2 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | - | 0.2400 |
| Manganese (Mn) | 0.7000 | 1.3500 |
| PhOsphorus (P) | - | 0.0350 |
| Sulfur (S) | - | 0.0350 |
| Silicon (Si) | 0.1500 | 0.5000 |
| Nickel (Ni) | - | 0.2500 |
| Chromium (Cr) | - | 0.2500 |
| Molybdenum (Mo) | - | 0.0800 |
| Copper (Cu) | - | 0.3500 |
| (CEV) | - | 0.5700 |
| Silicon (Si) | 0.1500 | 0.5000 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0350 |
| Nickel (Ni) | - | 0.2500 |
| Molybdenum (Mo) | - | 0.0800 |
| Manganese (Mn) | 0.7000 | 1.3500 |
| Copper (Cu) | - | 0.3500 |
| Chromium (Cr) | - | 0.2500 |
| Carbon (C) | - | 0.2400 |
ASTM A537/A537M A537 Class 2 Material Mechanical Properties
Tensile strength is a mechanical property of ASTM A537/A537M A537 Class 2 steel, which is a measure of its ability to withstand tension without breaking. This steel has a high tensile strength, making it highly resistant to tension. For ASTM A537/A537M A537 Class 2 Class 1 steel, the tensile strength ranges from 485MPa to 690MPa. For Class 2, it ranges from 415MPa to 690MPa, and for Class 3 it ranges from 415MPa to 660MPa. The combination of its high tensile strength and enhanced resistance to impact make it an ideal choice for applications requiring high levels of strength and durability.
The mechanical properties of the ASTM A537/A537M A537 Class 2 steel are as follows:
| YieldRp0.2 | ≤ 669 (MPa) |
| TeileRm | ≤ 179 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 333 |
ASTM A537/A537M A537 Class 2 Material Thermal Properties
The thermal performance parameters of the ASTM A537/A537M A537 Class 2 steel are as follows:
| Temperature (°C) | 11 | 223 | 733 |
| Modulus of elasticity (GPa) | - | 973 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 21.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 444 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 114 |
| Poisson’s coefficient, ν | - | - | 324 |
ASTM A537/A537M A537 Class 2 Material Machining Technology
ASTM A537/A537M A537 Class 2 is a high-strength steel grade that is used in the construction and fabrication of many products. This type of steel is also employed in plate machining operations, where its superior strength and capability to withstand high pressures make it an excellent choice.