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Japan JIS SD30B 混凝土加固钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SD30B / SD 30 B
Category Grade Standard Region/Area Standard Content
Metals SD 30 B JIS G3112 Japan 混凝土加固钢筋

Chemical composition(mass fraction)(wt.%) of the SD 30 B

Element Min Max Similar
Si - 0.5500 -
S - 0.0400 -
P - 0.0400 -
Mn - 1.5000 -
C - 0.2700 -

Mechanical Properties of steel grade SD 30 B

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)
825 (≥) 622 (≥) 11 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade SD 30 B

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
12 - -     0.31 -  
796 354 - 41.3 121   -  
225 - 21 22.2   134 443

Heat Treatment of steel grade SD 30 B

Heat treated : 1617°C - 1455°C

Technological Curves of steel grade SD 30 B

Cross Reference Table (Equivalent Grade) of SD 30 B

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