ASTM A572/A572M 450 Type 2 Introduce
Steel is one of the oldest and most common materials used in construction and engineering. Its strength and durability make it an ideal choice for projects that require structural stability. ASTM A572/A572M 450 Type 2 steel is one type of steel that has been developed to meet modern construction requirements. It is a low-alloy, high-strength steel and has excellent thermal properties.
Smelting temperature:1396°C - 1249°C
Application:Technical specification for high strength low alloy cobalt vanadium structural steel
ASTM A572/A572M 450 Type 2 Material Mechanical Properties
ASTM A572/A572M 450 Type 2 steel is an alloy of iron, carbon, manganese, silicon, phosphorous, and sulfur that has many beneficial mechanical properties. Its yield and tensile strength, Brinell hardness, and ductility are all above average and make this steel suitable for a variety of construction applications. Additionally, its excellent weldability makes it easy to weld using a number of methods. Therefore, ASTM A572/A572M 450 Type 2 steel is a popular choice for many designs and construction projects.
The mechanical properties of the ASTM A572/A572M 450 Type 2 steel are as follows:
| YieldRp0.2 | ≤ 717 (MPa) |
| TeileRm | ≤ 817 (MPa) |
| ImpactKV/Ku | 43(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 343 |
ASTM A572/A572M 450 Type 2 Material Thermal Properties
The thermal performance parameters of the ASTM A572/A572M 450 Type 2 steel are as follows:
| Temperature (°C) | 21 | 712 | 913 |
| Modulus of elasticity (GPa) | - | 344 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 43 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 431 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 414 |
| Poisson’s coefficient, ν | - | - | 232 |
ASTM A572/A572M 450 Type 2 Material Machining Technology
There are several machining methods that can be used to create parts out of ASTM A572/A572M 450 Type 2 steel. These methods include traditional turning, milling, drilling, grinding, and broaching. Each of these methods uses different tools and has its own associated advantages and disadvantages.