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Description

Germany DIN 1.4890 Specialsteel Heat-resisting NiCrTi steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4890
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4890 DIN Germany Heat-resisting NiCrTi steel

Chemical composition(mass fraction)(wt.%) of the 1.4890

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 1.4890

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)
875 (≥) 693 (≥) 42 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 1.4890

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
21 - -     0.22 -  
741 869 - 23.3 211   -  
911 - 34 41.2   443 122

Heat Treatment of steel grade 1.4890

Heat treated : 1877°C - 1922°C

Technological Curves of steel grade 1.4890


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