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X 2 CrNiMnMoNbN 25-18-5-4

Germany SEW X2CrNiMnMoNbN25-18-5-4 Stainless steels for rolled and forged products and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 2 CrNiMnMoNbN 25-18-5-4 SEW 400 Germany Stainless steels for rolled and forged products

Chemical composition(mass fraction)(wt.%) of the X 2 CrNiMnMoNbN 25-18-5-4

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0300 -
Ni 16.0000 19.0000 -
Nb - 0.1500 -
N 0.3000 0.6000 -
Mo 3.5000 5.0000 -
Mn 3.5000 6.5000 -
Cr 23.0000 26.0000 -
C - 0.0300 -

Mechanical Properties of steel grade X 2 CrNiMnMoNbN 25-18-5-4

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)
352 (≥) 794 (≥) 31 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X 2 CrNiMnMoNbN 25-18-5-4

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
11 - -     0.11 -  
324 887 - 13.3 314   -  
212 - 21 43.2   241 113

Heat Treatment of steel grade X 2 CrNiMnMoNbN 25-18-5-4

Heat treated : 1236°C - 1222°C

Technological Curves of steel grade X 2 CrNiMnMoNbN 25-18-5-4

Cross Reference Table (Equivalent Grade) of X 2 CrNiMnMoNbN 25-18-5-4

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