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X12CrNi25-21

Germany SEW X12CrNi25-21 Heat resisting rolled and forged steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X12CrNi25-21 / X12CrNi25-21
Category Grade Standard Region/Area Standard Content
Metals X12CrNi25-21 SEW 470 Germany Heat resisting rolled and forged steels

Chemical composition(mass fraction)(wt.%) of the X12CrNi25-21

Element Min Max Similar

Mechanical Properties of steel grade X12CrNi25-21

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)
739 (≥) 254 (≥) 22 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade X12CrNi25-21

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 - -     0.32 -  
395 466 - 11.3 412   -  
115 - 24 43.2   331 322

Heat Treatment of steel grade X12CrNi25-21

Heat treated : 1743°C - 1753°C

Technological Curves of steel grade X12CrNi25-21

Cross Reference Table (Equivalent Grade) of X12CrNi25-21

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