JIS G3468 SUS 329J1 TPY Introduce
JIS G3468 SUS 329J1 TPY steel is a member of the JIS steel family and is widely used in a variety of industrial settings. It is a versatile steel with superior mechanical and chemical properties that make it an ideal material for constructing high-performance products such as tubes, pipes, tanks and other complex structures. Due to its superior strength and corrosion resistance, JIS G3468 SUS 329J1 TPY steel is often used for the construction of pressure vessels, pipes, valves and oil and gas tubing. Additionally, its excellent abrasion resistance makes it suitable for use in construction and automotive applications, particularly in the production of axles, gears, and transmission cases where high levels of wear and tear are expected.
Smelting temperature:1295°C - 1885°C
Application:Large size welded seamless welded steel pipe
JIS G3468 SUS 329J1 TPY Material Chemical Composition
The chemical composition of the JIS G3468 SUS 329J1 TPY steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | 3.0000 | 6.0000 |
| Molybdenum (Mo) | 1.0000 | 3.0000 |
| Manganese (Mn) | - | 1.5000 |
| Chromium (Cr) | 23.0000 | 28.0000 |
| Carbon (C) | - | 0.0800 |
JIS G3468 SUS 329J1 TPY Material Mechanical Properties
Elongation is another important mechanical property of JIS G3468 SUS 329J1 TPY steel. This type of steel has an elongation range of 22% - 27%. Elongation is the measure of a material's ability to deform before it breaks. The higher the elongation, the lower the material's ability to withstand compressive forces. The ability of JIS G3468 SUS 329J1 TPY steel to withstand compressive forces depends on the alloying elements used and its microstructure.
The mechanical properties of the JIS G3468 SUS 329J1 TPY steel are as follows:
| YieldRp0.2 | ≤ 797 (MPa) |
| TeileRm | ≤ 581 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 313 |
JIS G3468 SUS 329J1 TPY Material Thermal Properties
The thermal performance parameters of the JIS G3468 SUS 329J1 TPY steel are as follows:
| Temperature (°C) | 43 | 229 | 624 |
| Modulus of elasticity (GPa) | - | 629 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 311 |
| Poisson’s coefficient, ν | - | - | 331 |
JIS G3468 SUS 329J1 TPY Material Machining Technology
JIS G3468 SUS 329J1 TPY steel is used for many applications including machine parts, tools and accessories, auto parts, architecture, and more. It is commonly used for applications that require precise machining and a good surface finish, as well as high heat and corrosion resistance. This type of steel is also suitable for parts that require tight tolerances, strength and high wear resistance.