ASTM A512 Grade MTX1020 Introduce
The ASTM A512 Grade MTX1020 is an economical choice for many applications due to its ease of fabrication and relative low cost. This steel type offers high tensile strength, which is beneficial for resisting the force of shocks and chisels when used in the manufacture of structural parts. It also offers the added benefit of being flame resistant, meaning that it will keep its strength even in high temperatures. This can be particularly important when used in warm and humid climates.
Smelting temperature:1752°C - 1898°C
Application:Cold drawn butt welded carbon steel mechanical pipe
ASTM A512 Grade MTX1020 Material Chemical Composition
The chemical composition of the ASTM A512 Grade MTX1020 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0450 |
| PhOsphorus (P) | - | 0.0400 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| Carbon (C) | 0.1500 | 0.2500 |
ASTM A512 Grade MTX1020 Material Mechanical Properties
ASTM A512 Grade MTX1020 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 MTX1020 steel are as follows:
| YieldRp0.2 | ≤ 794 (MPa) |
| TeileRm | ≤ 688 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 433 |
ASTM A512 Grade MTX1020 Material Thermal Properties
The thermal performance parameters of the ASTM A512 Grade MTX1020 steel are as follows:
| Temperature (°C) | 41 | 656 | 575 |
| Modulus of elasticity (GPa) | - | 913 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 221 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 442 |
| Poisson’s coefficient, ν | - | - | 421 |
ASTM A512 Grade MTX1020 Material Machining Technology
Machining is an invaluable tool in the manufacturing industry, and is used to shape ASTM A512 Grade MTX1020 steel into practically any form or shape desired. By having a better understanding of the machining processes, tools, and finishing techniques employed with ASTM A512 Grade MTX1020 steel, manufacturers can more effectively and efficiently create the parts and components necessary for their products.