JIS G3463 SUS 329J 3LTB Introduce
JIS G3463 SUS 329J 3LTB is widely used in the construction of pressure vessels, boilers and other parts involving high temperature and high pressure. It is an economical and reliable material, providing excellent strength and durability. It is also used in other fabrication industries, such as shipbuilding, bridge building and crane construction.
Smelting temperature:1926°C - 1831°C
Application:stainless steel pipe
JIS G3463 SUS 329J 3LTB Material Chemical Composition
The chemical composition of the JIS G3463 SUS 329J 3LTB steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | 4.5000 | 6.5000 |
| Nitrogen (N) | 0.0800 | 0.2000 |
| Molybdenum (Mo) | 2.5000 | 3.5000 |
| Manganese (Mn) | - | 1.5000 |
| Chromium (Cr) | 21.0000 | 24.0000 |
| Carbon (C) | - | 0.0300 |
JIS G3463 SUS 329J 3LTB Material Mechanical Properties
The mechanical properties of the JIS G3463 SUS 329J 3LTB steel are as follows:
| YieldRp0.2 | ≤ 494 (MPa) |
| TeileRm | ≤ 946 (MPa) |
| ImpactKV/Ku | 43(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 223 |
JIS G3463 SUS 329J 3LTB Material Thermal Properties
The thermal performance parameters of the JIS G3463 SUS 329J 3LTB steel are as follows:
| Temperature (°C) | 14 | 368 | 232 |
| Modulus of elasticity (GPa) | - | 778 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 41.2 |
| Specific thermal capacity (J/kg·°C) | - | 413 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 122 |
| Poisson’s coefficient, ν | - | - | 133 |