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X 40 MnCr 18 2

Germany DIN X40MnCr182 High alloyed Cr steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X40MnCr182 / X 40 MnCr 18 2
Category Grade Standard Region/Area Standard Content
Metals X 40 MnCr 18 2 -- Germany High alloyed Cr steel

Chemical composition(mass fraction)(wt.%) of the X 40 MnCr 18 2

Element Min Max Similar
Si 0.3000 0.8000 -
S - 0.0500 -
P - 0.1000 -
Mn 17.0000 19.0000 -
Cr 1.5000 3.0000 -
C 0.3000 0.3500 -

Mechanical Properties of steel grade X 40 MnCr 18 2

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)
165 (≥) 112 (≥) 43 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade X 40 MnCr 18 2

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
22 - -     0.13 -  
492 564 - 42.3 224   -  
665 - 14 32.2   314 213

Heat Treatment of steel grade X 40 MnCr 18 2

Heat treated : 1789°C - 1468°C

Technological Curves of steel grade X 40 MnCr 18 2

Cross Reference Table (Equivalent Grade) of X 40 MnCr 18 2

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