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17 CrNi 6-6

Germany DIN 17CrNi6-6 Case hardening steels - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17CrNi6-6 / 17 CrNi 6-6
Category Grade Standard Region/Area Standard Content
Metals 17 CrNi 6-6 DIN EN 10084 Germany Case hardening steels - Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 17 CrNi 6-6

Element Min Max Similar
Ni 1.4000 1.7000 -
Cr 1.4000 1.7000 -
P - 0.0350 -
S - 0.0350 -
Mn 0.5000 0.9000 -
Si - 0.4000 -
C 0.1400 0.2000 -

Mechanical Properties of steel grade 17 CrNi 6-6

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)
518 (≥) 355 (≥) 44 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 17 CrNi 6-6

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 - -     0.42 -  
443 357 - 23.3 141   -  
466 - 22 24.2   414 323

Heat Treatment of steel grade 17 CrNi 6-6

Heat treated : 1437°C - 1179°C

Technological Curves of steel grade 17 CrNi 6-6

Cross Reference Table (Equivalent Grade) of 17 CrNi 6-6

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