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X4NiCrTi25-20

Description

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

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)
687 (≥) 951 (≥) 22 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade X4NiCrTi25-20

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
14 - -     0.31 -  
689 924 - 21.3 234   -  
455 - 31 21.2   421 224

Heat Treatment of steel grade X4NiCrTi25-20

Heat treated : 1386°C - 1431°C

Technological Curves of steel grade X4NiCrTi25-20


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