JIS G7701 40Cr13 Introduce

JIS G7701 40Cr13 is a type of steel that has been developed for use in many industries. This type of steel is known for its high strength, excellent structural stability, corrosion resistance and toughness. It is produced using a combination of metallurgy and heat treatment processes. The result is a steel that is highly sought after for a variety of different applications.

Smelting temperature:1613°C - 1937°C

Application:Tool steel

JIS G7701 40Cr13 Material Chemical Composition

The chemical composition of the JIS G7701 40Cr13 steel are as follows:

ElementMinMax
Silicon (Si)-1.0000

JIS G7701 40Cr13 Material Mechanical Properties

The mechanical properties of the JIS G7701 40Cr13 steel are as follows:

YieldRp0.2 ≤ 282 (MPa)
TeileRm≤ 685 (MPa)
ImpactKV/Ku21(J)
ElongationA24%
Reduction in cross section on fractureZ23%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)113

JIS G7701 40Cr13 Material Thermal Properties

The thermal performance parameters of the JIS G7701 40Cr13 steel are as follows:

Temperature (°C)31711735
Modulus of elasticity (GPa)-883-
Mean coefficient of thermal expaion ×10-6/(°C)--24
Thermal conductivity (W/m·°C)-11.312.2
Specific thermal capacity (J/kg·°C)-224-
Specific electrical resistivity (Ω mm²/m)0.23--
Deity (kg/dm³)--423
Poisson’s coefficient, ν--441