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Hungary MSZ BNC5 Steels for case hardening and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BNC5 / BNC 5
Category Grade Standard Region/Area Standard Content
Metals BNC 5 MSZ 31 Hungary Steels for case hardening

Chemical composition(mass fraction)(wt.%) of the BNC 5

Element Min Max Similar

Mechanical Properties of steel grade BNC 5

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)
348 (≥) 999 (≥) 11 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade BNC 5

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 - -     0.43 -  
619 854 - 34.3 422   -  
443 - 43 13.2   231 113

Heat Treatment of steel grade BNC 5

Heat treated : 1666°C - 1872°C

Technological Curves of steel grade BNC 5

Cross Reference Table (Equivalent Grade) of BNC 5

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