JIS G7223 TW 360 Introduce
Steel is one of the oldest, most widely used, and versatile materials known to man. It has a wide range of properties that can be tailored to a variety of applications and has been used by many cultures for centuries. One variant of steel that is important to consider is JIS G7223, a Japanese steel that has chemical properties that makes it particularly suitable for certain uses.
Smelting temperature:1817°C - 1172°C
Application:Welded pressure steel pipes - Technical delivery conditions - Part 1: Non-alloy steel tubes
JIS G7223 TW 360 Material Mechanical Properties
Tensile strength is also an important parameter in the use of JIS G7223 TW 360 steel. This is the measure of its ability to resist being pulled apart. The tensile strength of this type of steel depends on its composition, but in general it can be between 380 and 500 MPa, which is higher than many other types of steel.
The mechanical properties of the JIS G7223 TW 360 steel are as follows:
| YieldRp0.2 | ≤ 958 (MPa) |
| TeileRm | ≤ 711 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 123 |
JIS G7223 TW 360 Material Thermal Properties
The thermal performance parameters of the JIS G7223 TW 360 steel are as follows:
| Temperature (°C) | 31 | 455 | 892 |
| Modulus of elasticity (GPa) | - | 844 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 31.2 |
| Specific thermal capacity (J/kg·°C) | - | 432 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 142 |
JIS G7223 TW 360 Material Machining Technology
JIS G7223 TW 360 steel is a medium carbon, 0.3-0.5% Niobium, low alloy steel offering excellent strength and toughness. Machining this material requires special attention and the use of appropriate cutting tools and settings. Although some difficulties can be experienced with JIS G7223 TW 360 steel, proper conditions and the right tooling should make any operation successful.