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X40MnCr18

Description

Germany SEW SEW 390, X40MnCr18 Specialsteel Non magnetizable steels. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X40MnCr18
Category Class Grade Standard Country Application
Steel GradesSpecialsteel X40MnCr18 SEW Germany Non magnetizable steels. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the X40MnCr18

C Si Mn P S Cr
0.40 -0.55 ≤0.80 17.00 -19.00 ≤0.100 ≤0.030 3.00 -5.00

Mechanical Properties of steel grade X40MnCr18

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)
458 (≥) 791 (≥) 11 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade X40MnCr18

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
12 - -     0.13 -  
381 699 - 22.3 121   -  
376 - 11 13.2   234 441

Heat Treatment of steel grade X40MnCr18

Heat treated : 1973°C - 1632°C

Technological Curves of steel grade X40MnCr18

Relevant standard of X40MnCr18

SEW 390 Non magnetizable steels. Technical delivery conditions SEW-390.pdf

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