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25CrMnSiA

China GB 25CrMnSiA 合金结构钢薄钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25CrMnSiA / 25CrMnSiA
Category Grade Standard Region/Area Standard Content
Metals 25CrMnSiA GB 5067 China 合金结构钢薄钢板

Chemical composition(mass fraction)(wt.%) of the 25CrMnSiA

Element Min Max Similar
Si 0.9000 1.2000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.3000 -
Mo - 0.1000 -
Mn 0.8000 1.1000 -
Cu - 0.2500 -
Cr 0.8000 1.1000 -
C 0.2200 0.2800 -

Mechanical Properties of steel grade 25CrMnSiA

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)
771 (≥) 262 (≥) 34 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 25CrMnSiA

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
22 - -     0.31 -  
322 365 - 44.3 331   -  
185 - 34 21.2   144 214

Heat Treatment of steel grade 25CrMnSiA

Heat treated : 1355°C - 1744°C

Technological Curves of steel grade 25CrMnSiA

Cross Reference Table (Equivalent Grade) of 25CrMnSiA

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