ASTM A572/A572M Grade 60 Type 3 Introduce
The primary purpose of the ASTM A572/A572M standard is to provide performance standards for HSLA steel used in transportation and construction applications. This standard helps to ensure that HSLA steel meets the requirements specified for a particular application.
Smelting temperature:1982°C - 1953°C
Application:Technical specification for high strength low alloy cobalt vanadium structural steel
ASTM A572/A572M Grade 60 Type 3 Material Chemical Composition
The chemical composition of the ASTM A572/A572M Grade 60 Type 3 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0600 |
| Titanium (Ti) | 0.0060 | 0.0400 |
| Silicon (Si) | - | 0.4000 |
| Sulfur (S) | - | 0.0500 |
| PhOsphorus (P) | - | 0.0400 |
| Nitrogen (N) | 0.0030 | 0.0150 |
| Manganese (Mn) | - | 1.3500 |
| Copper (Cu) | 0.2000 | - |
| Carbon (C) | - | 0.2600 |
ASTM A572/A572M Grade 60 Type 3 Material Mechanical Properties
The surface hardness of this steel is also notable, with the Brinell hardness scale value ranging from 216–302 for different grades. Brinell hardness is a measure of how hard a material is when subjected to an indentation test. ASTM A572/A572M Grade 60 Type 3 steel is also known for its good ductility, which is a measure of the material's ability to be drawn into a wire form without breaking.
The mechanical properties of the ASTM A572/A572M Grade 60 Type 3 steel are as follows:
| YieldRp0.2 | ≤ 372 (MPa) |
| TeileRm | ≤ 821 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 414 |
ASTM A572/A572M Grade 60 Type 3 Material Thermal Properties
The thermal performance parameters of the ASTM A572/A572M Grade 60 Type 3 steel are as follows:
| Temperature (°C) | 22 | 461 | 962 |
| Modulus of elasticity (GPa) | - | 252 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 313 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 321 |
| Poisson’s coefficient, ν | - | - | 423 |
ASTM A572/A572M Grade 60 Type 3 Material Machining Technology
There are several machining methods that can be used to create parts out of ASTM A572/A572M Grade 60 Type 3 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.