ASTM A508/A508M Grade 3V Introduce
ASTM A508/A508M Grade 3V is a high-quality alloy steel with unique chemical properties that make it ideal for a variety of applications, such as pressure vessels, construction, bridges, and storage tanks. It has excellent weldability, ductility, machinability, heat treatability, corrosion resistance, and impact resistance. ASTM A508/A508M Grade 3V can be easily welded with any type of welding method and is easy to heat treat for any specific mechanical requirements.
Smelting temperature:1999°C - 1949°C
Application:Carbon steel and alloy steel forgings for quenching and tempering vacuum treatment of pressure vessels
ASTM A508/A508M Grade 3V Material Chemical Composition
The chemical composition of the ASTM A508/A508M Grade 3V steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | 0.2000 | 0.3000 |
| Titanium (Ti) | 0.0150 | 0.0350 |
| Silicon (Si) | - | 0.1000 |
| Sulfur (S) | - | 0.0200 |
| PhOsphorus (P) | - | 0.0200 |
| Molybdenum (Mo) | 0.9000 | 1.1000 |
| Manganese (Mn) | 0.3000 | 0.6000 |
| Copper (Cu) | - | 0.2500 |
| Chromium (Cr) | 2.8000 | 3.3000 |
| (Cb) | - | 0.0100 |
| Calcium (Ca) | - | 0.0150 |
| Carbon (C) | 0.1000 | 0.1500 |
| Boron (B) | 0.0010 | 0.0030 |
| Aluminum (Al) | - | 0.0150 |
ASTM A508/A508M Grade 3V Material Mechanical Properties
The mechanical properties of the ASTM A508/A508M Grade 3V steel are as follows:
| YieldRp0.2 | ≤ 674 (MPa) |
| TeileRm | ≤ 943 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 44% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 332 |
ASTM A508/A508M Grade 3V Material Thermal Properties
The thermal performance parameters of the ASTM A508/A508M Grade 3V steel are as follows:
| Temperature (°C) | 31 | 881 | 435 |
| Modulus of elasticity (GPa) | - | 393 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 42 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 143 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 442 |
| Poisson’s coefficient, ν | - | - | 122 |