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17 CuNi 4

Germany DIN 17CuNi4 Low alloyed CuNi steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17CuNi4 / 17 CuNi 4
Category Grade Standard Region/Area Standard Content
Metals 17 CuNi 4 -- Germany Low alloyed CuNi steel

Chemical composition(mass fraction)(wt.%) of the 17 CuNi 4

Element Min Max Similar
Si 0.3000 0.5000 -
S - 0.0400 -
P - 0.0400 -
Ni 1.0000 1.2000 -
Mn 0.6000 0.9000 -
Cu 0.9000 1.1000 -
C - 0.1800 -

Mechanical Properties of steel grade 17 CuNi 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)
976 (≥) 647 (≥) 42 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 17 CuNi 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
11 - -     0.13 -  
614 591 - 24.3 224   -  
296 - 31 14.2   224 344

Heat Treatment of steel grade 17 CuNi 4

Heat treated : 1817°C - 1571°C

Technological Curves of steel grade 17 CuNi 4

Cross Reference Table (Equivalent Grade) of 17 CuNi 4

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