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X 40 CoCrNi 20 20

Germany DIN X40CoCrNi2020 High-temperature resisting CoCrNiWMoNb steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X40CoCrNi2020 / X 40 CoCrNi 20 20
Category Grade Standard Region/Area Standard Content
Metals X 40 CoCrNi 20 20 -- Germany High-temperature resisting CoCrNiWMoNb steel

Chemical composition(mass fraction)(wt.%) of the X 40 CoCrNi 20 20

Element Min Max Similar
W 3.5000 4.5000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 19.0000 21.0000 -
Nb 3.5000 4.5000 -
Mo 3.5000 4.5000 -
Mn - 1.5000 -
Cr 19.0000 21.0000 -
Co 19.0000 21.0000 -
C 0.3500 0.4500 -

Mechanical Properties of steel grade X 40 CoCrNi 20 20

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)
176 (≥) 897 (≥) 44 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade X 40 CoCrNi 20 20

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 - -     0.42 -  
295 896 - 42.3 211   -  
499 - 12 43.2   213 124

Heat Treatment of steel grade X 40 CoCrNi 20 20

Heat treated : 1399°C - 1138°C

Technological Curves of steel grade X 40 CoCrNi 20 20

Cross Reference Table (Equivalent Grade) of X 40 CoCrNi 20 20

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