ASTM A829/A829M G41180 Introduce
ASTM A829/A829M G41180 is a high-strength, low-alloy steel plate designed for increased toughness and improved fatigue resistance. Its thermal properties include a low thermal conductivity, low thermal expansion coefficient, and high heat capacity. These properties make A829 G41180 an ideal material for high-temperature applications, as they help to reduce thermal stress and ensure dimensional stability.
Smelting temperature:1159°C - 1584°C
Application:Structural alloy steel plate
ASTM A829/A829M G41180 Material Chemical Composition
The chemical composition of the ASTM A829/A829M G41180 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Molybdenum (Mo) | 0.0800 | 0.1500 |
| Chromium (Cr) | 0.4000 | 0.6500 |
| PhOsphorus (P) | - | 0.0350 |
| Sulfur (S) | - | 0.0400 |
| Manganese (Mn) | 0.6000 | 0.9000 |
| Silicon (Si) | 0.1500 | 0.4000 |
| Carbon (C) | 0.1700 | 0.2300 |
ASTM A829/A829M G41180 Material Mechanical Properties
The mechanical properties of the ASTM A829/A829M G41180 steel are as follows:
| YieldRp0.2 | ≤ 772 (MPa) |
| TeileRm | ≤ 124 (MPa) |
| ImpactKV/Ku | 21(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 222 |
ASTM A829/A829M G41180 Material Thermal Properties
The thermal performance parameters of the ASTM A829/A829M G41180 steel are as follows:
| Temperature (°C) | 32 | 699 | 152 |
| Modulus of elasticity (GPa) | - | 374 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 241 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
| Deity (kg/dm³) | - | - | 214 |
| Poisson’s coefficient, ν | - | - | 231 |