JIS G7701 20Cr13 Introduce
JIS G7701 20Cr13 is known for having excellent mechanical properties when compared to other steels. JIS G7701 20Cr13 is widely used in a variety of industries and applications. It is commonly found in bridges, buildings, ships, and other large structures, as well as in the automotive and aerospace industries. Its strength is generally above average for a carbon steel and its ductility and toughness are also quite good. Furthermore, JIS G7701 20Cr13 has superior corrosion resistance and weldability, which makes it ideal for applications that require strong and reliable performance.
Smelting temperature:1439°C - 1756°C
Application:Tool steel
JIS G7701 20Cr13 Material Chemical Composition
The chemical composition of the JIS G7701 20Cr13 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | - | 1.0000 |
| Manganese (Mn) | - | 1.0000 |
| Chromium (Cr) | 12.0000 | 14.0000 |
| Carbon (C) | 0.1600 | 0.2500 |
JIS G7701 20Cr13 Material Mechanical Properties
The mechanical properties of the JIS G7701 20Cr13 steel are as follows:
| YieldRp0.2 | ≤ 315 (MPa) |
| TeileRm | ≤ 694 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 334 |
JIS G7701 20Cr13 Material Thermal Properties
The thermal performance parameters of the JIS G7701 20Cr13 steel are as follows:
| Temperature (°C) | 22 | 126 | 328 |
| Modulus of elasticity (GPa) | - | 334 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 313 |
| Poisson’s coefficient, ν | - | - | 224 |