ASTM A512 Grade 1021 Introduce
ASTM A512 is a type of steel developed by the American Society for Testing and Materials (ASTM). ASTM A512 Grade 1021 is a steel that has a relatively high yield strength and is generally used for air-hardened components. It is typically used in construction and manufacturing applications, such as pipe fitting, bolts, and bearings. It is also used in plastic and rubber applications.
Smelting temperature:1396°C - 1627°C
Application:Cold drawn butt welded carbon steel mechanical pipe
ASTM A512 Grade 1021 Material Mechanical Properties
ASTM A512 Grade 1021 steel is one of the most common materials used in the construction and engineering industries, often used to create structural components and various types of powertrain components. As such, it is important to understand the various mechanical properties of this steel, including its tensile strength, ductility, hardness, and other characteristics.
The mechanical properties of the ASTM A512 Grade 1021 steel are as follows:
| YieldRp0.2 | ≤ 783 (MPa) |
| TeileRm | ≤ 226 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 11% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 333 |
ASTM A512 Grade 1021 Material Thermal Properties
The thermal performance parameters of the ASTM A512 Grade 1021 steel are as follows:
| Temperature (°C) | 44 | 748 | 974 |
| Modulus of elasticity (GPa) | - | 859 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 422 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 443 |
| Poisson’s coefficient, ν | - | - | 242 |
ASTM A512 Grade 1021 Material Machining Technology
Machining is a process in which metal parts and components are created using cutting tools. It is an invaluable tool in the manufacturing industry, and can be used to shape metal into practically any form or shape desired. Machining is used to generate parts and components of a variety of materials, including ASTM A512 Grade 1021 steel, which is a steel alloy typically used in the automotive, construction, and agricultural industries.