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Japan JIS SGD4 冷轧碳素钢冷加工钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SGD4 / SGD 4
Category Grade Standard Region/Area Standard Content
Metals SGD 4 JIS G3108 Japan 冷轧碳素钢冷加工钢筋

Chemical composition(mass fraction)(wt.%) of the SGD 4

Element Min Max Similar
S - 0.0450 -
P - 0.0450 -
Mn 0.3000 0.6000 -
C 0.2000 0.2500 -

Mechanical Properties of steel grade SGD 4

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)
356 (≥) 656 (≥) 21 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade SGD 4

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 - -     0.41 -  
948 351 - 11.3 414   -  
925 - 23 41.2   244 122

Heat Treatment of steel grade SGD 4

Heat treated : 1147°C - 1463°C

Technological Curves of steel grade SGD 4

Cross Reference Table (Equivalent Grade) of SGD 4

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