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GX40CrNiSi25-12

Germany DIN GX40CrNiSi25-12 Heat resistant steel castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX40CrNiSi25-12 / GX40CrNiSi25-12
Category Grade Standard Region/Area Standard Content
Metals GX40CrNiSi25-12 DIN EN 10295 Germany Heat resistant steel castings

Chemical composition(mass fraction)(wt.%) of the GX40CrNiSi25-12

Element Min Max Similar
Si 1.0000 2.5000 -
S - 0.0300 -
P - 0.0350 -
Ni 11.0000 14.0000 -
Mn - 1.5000 -
Cr 24.0000 26.0000 -
C 0.3000 0.5000 -

Mechanical Properties of steel grade GX40CrNiSi25-12

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)
214 (≥) 218 (≥) 32 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade GX40CrNiSi25-12

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
33 - -     0.14 -  
699 798 - 24.3 114   -  
111 - 34 22.2   431 332

Heat Treatment of steel grade GX40CrNiSi25-12

Heat treated : 1741°C - 1441°C

Technological Curves of steel grade GX40CrNiSi25-12

Cross Reference Table (Equivalent Grade) of GX40CrNiSi25-12

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