DIN 17350 S6-5-2-5S Introduce

DIN 17350 S6-5-2-5S steel is an outstanding material for numerous industrial applications. Its excellent mechanical properties make it a suitable choice for tools, dies, and precision parts. It has a high Rockwell C hardness of 59-60 HRC, and a high tensile strength of 1,150-1,300 MPa. It also has a yield strength of 1,170 MPa and an impressive fatigue limit. In addition, it is highly elastic and ductile, and has excellent impact resistance. All these properties make DIN 17350 S6-5-2-5S steel the material of choice for many industrial applications.

Smelting temperature:1475°C - 1792°C

Application:Tool Steels; Technical Conditions of Delivery

DIN 17350 S6-5-2-5S Material Mechanical Properties

The mechanical properties of the DIN 17350 S6-5-2-5S steel are as follows:

YieldRp0.2 ≤ 325 (MPa)
TeileRm≤ 969 (MPa)
ImpactKV/Ku11(J)
ElongationA23%
Reduction in cross section on fractureZ31%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)134

DIN 17350 S6-5-2-5S Material Thermal Properties

The thermal performance parameters of the DIN 17350 S6-5-2-5S steel are as follows:

Temperature (°C)21457314
Modulus of elasticity (GPa)-717-
Mean coefficient of thermal expaion ×10-6/(°C)--21
Thermal conductivity (W/m·°C)-22.323.2
Specific thermal capacity (J/kg·°C)-324-
Specific electrical resistivity (Ω mm²/m)0.42--
Deity (kg/dm³)--213
Poisson’s coefficient, ν--241