JIS G3468 SUS 315J2 TPY Introduce
JIS G3468 SUS 315J2 TPY is a type of magnetic alloy steel produced in Japan for use in a variety of industrial machinery and equipment. It is commonly used for components of manufacturing processes in machines that involve high temperatures and pressures, including motors for autos, turbines for aircraft, and pumps for industrial systems. JIS G3468 SUS 315J2 TPY is characterized by superior hardness, weldability, ductility, and corrosion resistance, making it an ideal material to use in demanding environments.
Smelting temperature:1927°C - 1567°C
Application:Large size welded seamless welded steel pipe
JIS G3468 SUS 315J2 TPY Material Chemical Composition
The chemical composition of the JIS G3468 SUS 315J2 TPY steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 2.5000 | 4.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0450 |
| Nickel (Ni) | 11.0000 | 14.0000 |
| Molybdenum (Mo) | 0.5000 | 1.5000 |
| Manganese (Mn) | - | 2.0000 |
| Copper (Cu) | 0.5000 | 3.5000 |
| Chromium (Cr) | 17.0000 | 20.5000 |
| Carbon (C) | - | 0.0800 |
JIS G3468 SUS 315J2 TPY Material Mechanical Properties
JIS G3468 SUS 315J2 TPY steel has an average Brinell hardness of 187HB. Like its other mechanical properties, the hardness of this type of steel is also affected by its composition and microstructure. The Brinell hardness test is a measure of the hardness of a material. This type of testing measures the depth of a steel ball that is pressed into the material. The hardness of a material depends on its composition, microstructure, alloying elements and heat treatment.
The mechanical properties of the JIS G3468 SUS 315J2 TPY steel are as follows:
| YieldRp0.2 | ≤ 333 (MPa) |
| TeileRm | ≤ 941 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 332 |
JIS G3468 SUS 315J2 TPY Material Thermal Properties
The thermal performance parameters of the JIS G3468 SUS 315J2 TPY steel are as follows:
| Temperature (°C) | 41 | 177 | 149 |
| Modulus of elasticity (GPa) | - | 487 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 341 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 314 |
| Poisson’s coefficient, ν | - | - | 312 |
JIS G3468 SUS 315J2 TPY Material Machining Technology
JIS G3468 SUS 315J2 TPY is one of the most important materials when it comes to machining. This type of steel is utilized for many applications, including machine parts, tools, tools and accessories, auto parts, and even architecture. JIS G3468 SUS 315J2 TPY steel is renowned for being an ideal steel for anything that needs precise machining and good surface finish. It has excellent machinability and thermal stability which makes it an ideal choice for many machining applications.