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G-X 2 CrNiMoN 25 7 4

Germany SEW G-X2CrNiMoN2574 Corrosion resistant steel casting. Quality specifications and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals G-X 2 CrNiMoN 25 7 4 SEW 410 Germany Corrosion resistant steel casting. Quality specifications

Chemical composition(mass fraction)(wt.%) of the G-X 2 CrNiMoN 25 7 4

Element Min Max Similar
Si - 1.0000 -
S - 0.0200 -
P - 0.0300 -
Ni 6.0000 8.0000 -
N 0.1200 0.2500 -
Mo 4.0000 5.0000 -
Mn - 1.0000 -
Cr 24.0000 26.0000 -
C - 0.0300 -

Mechanical Properties of steel grade G-X 2 CrNiMoN 25 7 4

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)
789 (≥) 128 (≥) 21 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade G-X 2 CrNiMoN 25 7 4

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
43 - -     0.12 -  
972 336 - 34.3 134   -  
519 - 32 34.2   411 444

Heat Treatment of steel grade G-X 2 CrNiMoN 25 7 4

Heat treated : 1442°C - 1865°C

Technological Curves of steel grade G-X 2 CrNiMoN 25 7 4

Cross Reference Table (Equivalent Grade) of G-X 2 CrNiMoN 25 7 4

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