JIS G4051 S43C Introduce

JIS G4051 S43C steel is a popular and versatile steel that has a variety of excellent chemical properties. It is both strong and wear-resistant, making it a great choice for many industrial, automotive, and automotive-related applications. It is also highly formable and weldable and has good corrosion resistance, which makes it suitable for a wide range of applications. JIS G4051 S43C is an excellent steel that has many beneficial chemical properties.

Smelting temperature:1893°C - 1538°C

Application:Carbon steel for mechanical structure

JIS G4051 S43C Material Chemical Composition

The chemical composition of the JIS G4051 S43C 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)0.40000.4600

JIS G4051 S43C Material Mechanical Properties

The mechanical properties of the JIS G4051 S43C steel are as follows:

YieldRp0.2 ≤ 216 (MPa)
TeileRm≤ 641 (MPa)
ImpactKV/Ku31(J)
ElongationA44%
Reduction in cross section on fractureZ33%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)242

JIS G4051 S43C Material Thermal Properties

The thermal performance parameters of the JIS G4051 S43C steel are as follows:

Temperature (°C)34557898
Modulus of elasticity (GPa)-772-
Mean coefficient of thermal expaion ×10-6/(°C)--11
Thermal conductivity (W/m·°C)-44.321.2
Specific thermal capacity (J/kg·°C)-241-
Specific electrical resistivity (Ω mm²/m)0.11--
Deity (kg/dm³)--322
Poisson’s coefficient, ν--114