JIS G7701 30Cr13 Introduce
Steel is an indispensable part of modern life and its uses are almost limitless. It serves many purposes in a wide variety of industries, including manufacturing, construction, energy, transportation, and biomedical. As a result, it is essential that steel makers produce steels of consistent, reliable quality. One of the most popular and widely-used steels is JIS G7701 30Cr13.
Smelting temperature:1847°C - 1969°C
Application:Tool steel
JIS G7701 30Cr13 Material Chemical Composition
The chemical composition of the JIS G7701 30Cr13 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) | 0.2600 | 0.3500 |
JIS G7701 30Cr13 Material Mechanical Properties
The mechanical properties of the JIS G7701 30Cr13 steel are as follows:
| YieldRp0.2 | ≤ 344 (MPa) |
| TeileRm | ≤ 661 (MPa) |
| ImpactKV/Ku | 21(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
JIS G7701 30Cr13 Material Thermal Properties
The thermal performance parameters of the JIS G7701 30Cr13 steel are as follows:
| Temperature (°C) | 24 | 622 | 335 |
| Modulus of elasticity (GPa) | - | 191 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 421 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 124 |
| Poisson’s coefficient, ν | - | - | 321 |