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X2CrNiMnMoNNb21-15-7-3

Germany WL X2CrNiMnMoNNb21-15-7-3 Non-magnetizable austenitic steel - X2CrNiMnMoNNb21-15-7-3 - Part 1:Plates and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X2CrNiMnMoNNb21-15-7-3 WL 1.3914-1 Germany Non-magnetizable austenitic steel - X2CrNiMnMoNNb21-15-7-3 - Part 1:Plates

Chemical composition(mass fraction)(wt.%) of the X2CrNiMnMoNNb21-15-7-3

Element Min Max Similar
C - 0.0300 -
Mn 6.0000 8.0000 -
P - 0.0250 -
S - 0.0100 -
Si - 0.7500 -
Ni 14.0000 16.0000 -
Cr 20.0000 22.0000 -
Mo 3.0000 3.5000 -
N 0.3500 0.5000 -
Nb 0.1000 0.2500 -
C - 0.0300 -
Mn 6.0000 8.0000 -
P - 0.0250 -
S - 0.0100 -
Si - 0.7500 -
Ni 14.0000 16.0000 -
Cr 20.0000 22.0000 -
Mo 3.0000 3.5000 -
N 0.3500 0.5000 -
Nb 0.1000 0.2500 -
C - 0.0300 -
Mn 6.0000 8.0000 -
P - 0.0250 -
S - 0.0100 -
Si - 0.7500 -
Ni 14.0000 16.0000 -
Cr 20.0000 22.0000 -
Mo 3.0000 3.5000 -
N 0.3500 0.5000 -
Nb 0.1000 0.2500 -

Mechanical Properties of steel grade X2CrNiMnMoNNb21-15-7-3

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)
285 (≥) 198 (≥) 21 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade X2CrNiMnMoNNb21-15-7-3

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
44 - -     0.32 -  
181 559 - 34.3 331   -  
746 - 31 33.2   133 311

Heat Treatment of steel grade X2CrNiMnMoNNb21-15-7-3

Heat treated : 1158°C - 1785°C

Technological Curves of steel grade X2CrNiMnMoNNb21-15-7-3

Cross Reference Table (Equivalent Grade) of X2CrNiMnMoNNb21-15-7-3

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