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China 鞍钢Q/ASB SGC440 冲压级和结构级连续热镀锌钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SGC440 / SGC440
Category Grade Standard Region/Area Standard Content
Metals SGC440 Q/ASB 387 China 冲压级和结构级连续热镀锌钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SGC440

Element Min Max Similar
S - 0.0500 -
P - 0.2000 -
Mn - 2.0000 -
C - 0.2500 -

Mechanical Properties of steel grade SGC440

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)
756 (≥) 998 (≥) 42 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SGC440

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 - -     0.14 -  
565 679 - 23.3 334   -  
349 - 43 23.2   123 113

Heat Treatment of steel grade SGC440

Heat treated : 1159°C - 1181°C

Technological Curves of steel grade SGC440

Cross Reference Table (Equivalent Grade) of SGC440

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