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X 2 CrMnNiN 20-9-7

Germany DIN X2CrMnNiN20-9-7 High alloyed CrMnNi stainless steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 2 CrMnNiN 20-9-7 -- Germany High alloyed CrMnNi stainless steel

Chemical composition(mass fraction)(wt.%) of the X 2 CrMnNiN 20-9-7

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 6.0000 8.0000 -
N 0.3000 0.4500 -
Mn 8.0000 10.0000 -
Cr 19.0000 21.0000 -
C - 0.0400 -

Mechanical Properties of steel grade X 2 CrMnNiN 20-9-7

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)
772 (≥) 597 (≥) 33 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade X 2 CrMnNiN 20-9-7

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 - -     0.14 -  
383 971 - 42.3 423   -  
732 - 23 43.2   334 222

Heat Treatment of steel grade X 2 CrMnNiN 20-9-7

Heat treated : 1858°C - 1181°C

Technological Curves of steel grade X 2 CrMnNiN 20-9-7

Cross Reference Table (Equivalent Grade) of X 2 CrMnNiN 20-9-7

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