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G-X 50 CrNiNb 25 22

Germany DIN G-X50CrNiNb2522 Heat-resisting CrNiNb steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals G-X 50 CrNiNb 25 22 -- Germany Heat-resisting CrNiNb steel

Chemical composition(mass fraction)(wt.%) of the G-X 50 CrNiNb 25 22

Element Min Max Similar
Si - 2.0000 -
S - 0.0350 -
P - 0.0350 -
Ni 20.0000 23.0000 -
Nb 1.0000 1.6000 -
Mn - 1.5000 -
Cr 22.0000 26.0000 -
C 0.4000 0.5500 -

Mechanical Properties of steel grade G-X 50 CrNiNb 25 22

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)
884 (≥) 173 (≥) 34 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade G-X 50 CrNiNb 25 22

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
34 - -     0.13 -  
336 786 - 13.3 221   -  
881 - 44 43.2   142 334

Heat Treatment of steel grade G-X 50 CrNiNb 25 22

Heat treated : 1947°C - 1567°C

Technological Curves of steel grade G-X 50 CrNiNb 25 22

Cross Reference Table (Equivalent Grade) of G-X 50 CrNiNb 25 22

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