JIS G3463 SUS 321 TB Introduce
The strength of this steel is determined by its chemical composition and microstructure. If it is correctly heat treated, the steel is capable of achieving a yield strength of up to 490 MPa and a tensile strength of up to 630 MPa. JIS G3463 SUS 321 TB is available in a variety of shapes and sizes. It can be supplied in round bars, plates, sheets or shapes according to customer requirements.
Smelting temperature:1453°C - 1635°C
Application:stainless steel pipe
JIS G3463 SUS 321 TB Material Mechanical Properties
The mechanical properties of the JIS G3463 SUS 321 TB steel are as follows:
| YieldRp0.2 | ≤ 215 (MPa) |
| TeileRm | ≤ 996 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 23% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 143 |
JIS G3463 SUS 321 TB Material Thermal Properties
The thermal performance parameters of the JIS G3463 SUS 321 TB steel are as follows:
| Temperature (°C) | 32 | 446 | 391 |
| Modulus of elasticity (GPa) | - | 985 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 232 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 223 |
| Poisson’s coefficient, ν | - | - | 113 |