JIS G3468 SUS321TPY Introduce
JIS G3468 SUS321TPY is available in a variety of forms and addresses several applications in industries including automotive, precision machinery, motors, and power plants. Because of its unique properties and high temperature resistance, it is often used to manufacture various types of bolts, nuts, shafts, and bushings, especially in the automotive industry. It is typically used in the production of valves and machinery parts due to its ability to resist wear, erosion, and corrosion.
Smelting temperature:1656°C - 1922°C
Application:Large size welded seamless welded steel pipe
JIS G3468 SUS321TPY Material Chemical Composition
The chemical composition of the JIS G3468 SUS321TPY steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0450 |
| Nickel (Ni) | 9.0000 | 13.0000 |
| Manganese (Mn) | - | 2.0000 |
| Chromium (Cr) | 17.0000 | 19.0000 |
| Carbon (C) | - | 0.0800 |
JIS G3468 SUS321TPY Material Mechanical Properties
The mechanical properties of JIS G3468 SUS321TPY steel depend on the composition of its alloying elements and its microstructure, which also controls its hardness. JIS G3468 SUS321TPY steel has a relatively high hardenability, which allows it to be used for projects that require strength and good wear and tear resistance.
The mechanical properties of the JIS G3468 SUS321TPY steel are as follows:
| YieldRp0.2 | ≤ 941 (MPa) |
| TeileRm | ≤ 369 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 241 |
JIS G3468 SUS321TPY Material Thermal Properties
The thermal performance parameters of the JIS G3468 SUS321TPY steel are as follows:
| Temperature (°C) | 23 | 344 | 993 |
| Modulus of elasticity (GPa) | - | 353 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 224 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 314 |
| Poisson’s coefficient, ν | - | - | 322 |
JIS G3468 SUS321TPY Material Machining Technology
JIS G3468 SUS321TPY steel is an important material for many machining applications, such as machine parts, tools, auto parts, and more. It has excellent strength and ductility, excellent machinability, and good thermal stability. To have a successful machining process, it is important to use the right tools and techniques, as well as the right speed and feed rate. Having the correct coolant is also essential for efficient machining of this material.