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Germany DIN 1.4907 Heat-resistant rolled and forged steel X10CrNiCuNb 18-9-3; Wn 1.4907; Seamless pipe and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.4907 / 1.4907
Category Grade Standard Region/Area Standard Content
Metals 1.4907 WB 550 Germany Heat-resistant rolled and forged steel X10CrNiCuNb 18-9-3; Wn 1.4907; Seamless pipe

Chemical composition(mass fraction)(wt.%) of the 1.4907

Element Min Max Similar
C 0.0700 0.1300 -
Mn - 1.0000 -
P - 0.0400 -
S - 0.0100 -
Si - 0.3000 -
Ni 7.5000 10.5000 -
Cr 17.0000 19.0000 -
Cu 2.5000 3.5000 -
B 0.0010 0.0100 -
Al 0.0030 0.0300 -
N 0.0500 0.1200 -
Nb 0.3000 0.6000 -

Mechanical Properties of steel grade 1.4907

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)
982 (≥) 859 (≥) 34 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 1.4907

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 - -     0.13 -  
789 963 - 34.3 134   -  
379 - 43 14.2   242 414

Heat Treatment of steel grade 1.4907

Heat treated : 1886°C - 1226°C

Technological Curves of steel grade 1.4907

Cross Reference Table (Equivalent Grade) of 1.4907

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