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Japan JIS SPFC440 改进汽车结构用加工性热轧高强度薄板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPFC440 / SPFC 440
Category Grade Standard Region/Area Standard Content
Metals SPFC 440 JIS G3135 Japan 改进汽车结构用加工性热轧高强度薄板和钢带

Chemical composition(mass fraction)(wt.%) of the SPFC 440

Element Min Max Similar

Mechanical Properties of steel grade SPFC 440

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)
112 (≥) 383 (≥) 34 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SPFC 440

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 -  
728 148 - 14.3 123   -  
338 - 24 41.2   142 111

Heat Treatment of steel grade SPFC 440

Heat treated : 1123°C - 1555°C

Technological Curves of steel grade SPFC 440

Cross Reference Table (Equivalent Grade) of SPFC 440

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