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Japan JIS SGH340 热浸镀锌钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SGH340 / SGH 340
Category Grade Standard Region/Area Standard Content
Metals SGH 340 JIS G3302 Japan 热浸镀锌钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SGH 340

Element Min Max Similar
S - 0.0500 -
P - 0.2000 -
Mn - 1.7000 -
C - 0.2500 -

Mechanical Properties of steel grade SGH 340

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)
777 (≥) 979 (≥) 33 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SGH 340

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
21 - -     0.33 -  
478 569 - 33.3 343   -  
674 - 23 32.2   214 332

Heat Treatment of steel grade SGH 340

Heat treated : 1679°C - 1138°C

Technological Curves of steel grade SGH 340

Cross Reference Table (Equivalent Grade) of SGH 340

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