ASTM A568/A568M Grade 1002 Introduce
ASTM A568/A568M is an American material standard for steel that covers both hot-rolled and cold-rolled carbon steel sheets and strips. It was first issued in 1994 and revised in 2020. ASTM A568/A568M Grade 1002 is used for steel products such as coils, sheets, bars, strips, plates, and structural shapes such as angles, channels and rounds. This material is regarded as high-quality and is specified for a wide variety of purposes.
Smelting temperature:1274°C - 1253°C
Application:Hot rolled and cold rolled high strength low alloy carbon steel sheet
ASTM A568/A568M Grade 1002 Material Chemical Composition
The chemical composition of the ASTM A568/A568M Grade 1002 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.0200 | 0.0400 |
| Manganese (Mn) | - | 0.3500 |
| PhOsphorus (P) | - | 0.0300 |
| Sulfur (S) | - | 0.0350 |
| Silicon (Si) | - | 0.1000 |
| Carbon (C) | - | 0.0200 |
ASTM A568/A568M Grade 1002 Material Mechanical Properties
ASTM A568/A568M Grade 1002 is used for a variety of commercial applications, primarily for structural products such as bridges, buildings, industrial machinery, and other associated construction products. It is available in a variety of grades and product forms such as hot-rolled, cold-rolled, galvanized, aluminized, coated, and tempered steel. This ASTM A568/A568M standard is most commonly used in structural steels and provides a variety of tensile strength, yield strength and elongation requirements.
The mechanical properties of the ASTM A568/A568M Grade 1002 steel are as follows:
| YieldRp0.2 | ≤ 765 (MPa) |
| TeileRm | ≤ 187 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 121 |
ASTM A568/A568M Grade 1002 Material Thermal Properties
The thermal performance parameters of the ASTM A568/A568M Grade 1002 steel are as follows:
| Temperature (°C) | 31 | 685 | 411 |
| Modulus of elasticity (GPa) | - | 534 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 21.3 | 14.2 |
| Specific thermal capacity (J/kg·°C) | - | 243 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.41 | - | - |
| Deity (kg/dm³) | - | - | 241 |
| Poisson’s coefficient, ν | - | - | 433 |