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17 CrNi 6-6

England B.S. 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 BS EN 10084 England Case hardening steels - Technical delivery conditions

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

Element Min Max Similar

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)
181 (≥) 448 (≥) 31 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

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
42 - -     0.41 -  
574 799 - 43.3 143   -  
178 - 24 43.2   423 322

Heat Treatment of steel grade 17 CrNi 6-6

Heat treated : 1118°C - 1246°C

Technological Curves of steel grade 17 CrNi 6-6

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

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