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Japan JIS SAPH440 汽车结构用热轧钢板,薄板和带钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SAPH440 / SAPH 440
Category Grade Standard Region/Area Standard Content
Metals SAPH 440 JIS G3113 Japan 汽车结构用热轧钢板,薄板和带钢

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

Element Min Max Similar
S - 0.0400 -
P - 0.0400 -
Other - - -

Mechanical Properties of steel grade SAPH 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)
775 (≥) 318 (≥) 24 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade SAPH 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
13 - -     0.21 -  
418 316 - 24.3 344   -  
951 - 41 32.2   211 211

Heat Treatment of steel grade SAPH 440

Heat treated : 1358°C - 1445°C

Technological Curves of steel grade SAPH 440

Cross Reference Table (Equivalent Grade) of SAPH 440

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