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Korea KS SNFC440 Electrolytic zinc - nickel coated steel sheets and strips for automobil and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNFC440 / SNFC440
Category Grade Standard Region/Area Standard Content
Metals SNFC440 KS D 3855 Korea Electrolytic zinc - nickel coated steel sheets and strips for automobil

Chemical composition(mass fraction)(wt.%) of the SNFC440

Element Min Max Similar

Mechanical Properties of steel grade SNFC440

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)
115 (≥) 899 (≥) 31 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SNFC440

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
33 - -     0.13 -  
169 616 - 21.3 114   -  
287 - 12 44.2   413 211

Heat Treatment of steel grade SNFC440

Heat treated : 1423°C - 1154°C

Technological Curves of steel grade SNFC440

Cross Reference Table (Equivalent Grade) of SNFC440

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