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:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0300
Nickel (Ni)-1.0000
Manganese (Mn)-1.0000
Chromium (Cr)12.000014.0000
Carbon (C)0.26000.3500

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/Ku21(J)
ElongationA12%
Reduction in cross section on fractureZ32%
As-Heat-Treated ConditionSolution 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)24622335
Modulus of elasticity (GPa)-191-
Mean coefficient of thermal expaion ×10-6/(°C)--33
Thermal conductivity (W/m·°C)-11.342.2
Specific thermal capacity (J/kg·°C)-421-
Specific electrical resistivity (Ω mm²/m)0.42--
Deity (kg/dm³)--124
Poisson’s coefficient, ν--321