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GCr15SiMo

China GB GCr15SiMo 高碳铬轴承钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GCr15SiMo / GCr15SiMo
Category Grade Standard Region/Area Standard Content
Metals GCr15SiMo GB/T 18254 China 高碳铬轴承钢

Chemical composition(mass fraction)(wt.%) of the GCr15SiMo

Element Min Max Similar
Si 0.6500 0.8500 -
S - 0.0200 -
P - 0.0270 -
Ni - 0.3000 -
Mn 0.2000 0.4000 -
Cu - 0.2500 -
Cr 1.4000 1.7000 -
C 0.9500 1.1000 -

Mechanical Properties of steel grade GCr15SiMo

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
839 (≥) 599 (≥) 34 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade GCr15SiMo

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
42 - -     0.12 -  
174 765 - 22.3 133   -  
147 - 11 41.2   233 344

Heat Treatment of steel grade GCr15SiMo

Heat treated : 1162°C - 1467°C

Technological Curves of steel grade GCr15SiMo

Cross Reference Table (Equivalent Grade) of GCr15SiMo

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