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Description

Germany DIN X4MnCr18 Valve steel and X4MnCr18 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X4MnCr18
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X4MnCr18 DIN Germany Valve steel
1.4876
X10NiCrAITi32-21(20)
X8CrNiTi18-10/X12CrNiTi18-9
1.4878
1.4885
X12CrNiMoNb20-15
X8SiTi4
1.5310
X50NiCrWV13-13
1.3817

Chemical composition(mass fraction)(wt.%) of the X4MnCr18

C(%) Si(%) Mn(%) Cr(%) Ni(%) N(%)
0.30-0.50 Max 1.00 17.00-19.00 3.00-5.00 Max 1.00 Max 0.10

Mechanical Properties of steel grade X4MnCr18

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)
557 (≥) 392 (≥) 31 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade X4MnCr18

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
34 - -     0.43 -  
417 432 - 34.3 422   -  
155 - 13 11.2   442 441

Heat Treatment of steel grade X4MnCr18

Heat treated : 1953°C - 1955°C

Technological Curves of steel grade X4MnCr18

Cross Reference Table (Equivalent Grade) of X4MnCr18

Grade Standard Country Application
X4MnCr18 DIN Germany Valve steel

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