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X 5 CrNiCuNb 17-4-4

Germany DIN X5CrNiCuNb17-4-4 High alloyed CrNi stainless steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 5 CrNiCuNb 17-4-4 -- Germany High alloyed CrNi stainless steel

Chemical composition(mass fraction)(wt.%) of the X 5 CrNiCuNb 17-4-4

Element Min Max Similar
Si - 1.0000 -
S - 0.0250 -
P - 0.0250 -
Ni 3.0000 5.0000 -
Nb 0.1500 0.4500 -
Mn - 1.0000 -
Cu 3.0000 5.0000 -
Cr 15.0000 17.5000 -
C - 0.0700 -

Mechanical Properties of steel grade X 5 CrNiCuNb 17-4-4

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)
727 (≥) 815 (≥) 13 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X 5 CrNiCuNb 17-4-4

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
44 - -     0.12 -  
351 344 - 32.3 431   -  
318 - 34 14.2   444 344

Heat Treatment of steel grade X 5 CrNiCuNb 17-4-4

Heat treated : 1124°C - 1779°C

Technological Curves of steel grade X 5 CrNiCuNb 17-4-4

Cross Reference Table (Equivalent Grade) of X 5 CrNiCuNb 17-4-4

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