JIS G4051 S58C Introduce

Yield strength is the amount of force needed to cause the material to permanent deformation, usually measured as a stress. Fatigue strength is the ability of a material to withstand cyclic loading without breaking. Knowing the mechanical properties of JIS G4051 S58C steel is important fordetermining its suitability and usefulness in a variety of industrial applications.

Smelting temperature:1489°C - 1594°C

Application:Carbon steel for mechanical structure

JIS G4051 S58C Material Chemical Composition

The chemical composition of the JIS G4051 S58C steel are as follows:

ElementMinMax
Silicon (Si)0.15000.3500
Sulfur (S)-0.0350
PhOsphorus (P)-0.0300
(Ni+Cr)-0.3500
Nickel (Ni)-0.2000
Manganese (Mn)0.60000.9000
Copper (Cu)-0.3000
Chromium (Cr)-0.2000
Carbon (C)0.55000.6100

JIS G4051 S58C Material Mechanical Properties

The mechanical properties of the JIS G4051 S58C steel are as follows:

YieldRp0.2 ≤ 655 (MPa)
TeileRm≤ 189 (MPa)
ImpactKV/Ku44(J)
ElongationA22%
Reduction in cross section on fractureZ21%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)441

JIS G4051 S58C Material Thermal Properties

The thermal performance parameters of the JIS G4051 S58C steel are as follows:

Temperature (°C)24886771
Modulus of elasticity (GPa)-342-
Mean coefficient of thermal expaion ×10-6/(°C)--43
Thermal conductivity (W/m·°C)-14.311.2
Specific thermal capacity (J/kg·°C)-443-
Specific electrical resistivity (Ω mm²/m)0.44--
Deity (kg/dm³)--213
Poisson’s coefficient, ν--311