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X 12 CrNiMoNb 20-15

Germany DIN X12CrNiMoNb20-15 Heat-resisting CrNiMoNb steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 12 CrNiMoNb 20-15 -- Germany Heat-resisting CrNiMoNb steel

Chemical composition(mass fraction)(wt.%) of the X 12 CrNiMoNb 20-15

Element Min Max Similar
Si 1.5000 2.5000 -
S - 0.0300 -
P - 0.0450 -
Ni 14.0000 16.0000 -
Nb 1.0000 1.5000 -
Mo 1.0000 2.0000 -
Mn - 2.0000 -
Cr 19.0000 22.0000 -
C - 0.1500 -

Mechanical Properties of steel grade X 12 CrNiMoNb 20-15

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)
976 (≥) 815 (≥) 34 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade X 12 CrNiMoNb 20-15

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
14 - -     0.41 -  
814 485 - 34.3 214   -  
896 - 32 43.2   223 211

Heat Treatment of steel grade X 12 CrNiMoNb 20-15

Heat treated : 1527°C - 1138°C

Technological Curves of steel grade X 12 CrNiMoNb 20-15

Cross Reference Table (Equivalent Grade) of X 12 CrNiMoNb 20-15

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