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Germany DIN X4NiCrTi25-20 Specialsteel Heat-resisting NiCrTi steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X4NiCrTi25-20
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X4NiCrTi25-20 Austenite DIN Germany Heat-resisting NiCrTi steel

Chemical composition(mass fraction)(wt.%) of the X4NiCrTi25-20

C Cr Mn Ni P S Si Ti
≤0.04 19.00 -21.00 ≤1.00 24.00 -26.00 ≤0.01 ≤0.01 ≤1.00 0.20 -0.40

Mechanical Properties of steel grade X4NiCrTi25-20

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
821 (≥) 273 (≥) 43 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade X4NiCrTi25-20

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
14 - -     0.21 -  
474 899 - 14.3 124   -  
947 - 13 12.2   334 231

Heat Treatment of steel grade X4NiCrTi25-20

Heat treated : 1361°C - 1767°C

Technological Curves of steel grade X4NiCrTi25-20

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