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Japan JIS SD40 混凝土加固钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SD40 / SD 40
Category Grade Standard Region/Area Standard Content
Metals SD 40 JIS G3112 Japan 混凝土加固钢筋

Chemical composition(mass fraction)(wt.%) of the SD 40

Element Min Max Similar
Si - 0.5500 -
S - 0.0400 -
P - 0.0400 -
Mn - 1.8000 -
C+Mn/6 - 0.5500 -
C - 0.2900 -

Mechanical Properties of steel grade SD 40

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)
536 (≥) 878 (≥) 21 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SD 40

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 - -     0.14 -  
116 772 - 13.3 234   -  
152 - 44 23.2   312 412

Heat Treatment of steel grade SD 40

Heat treated : 1529°C - 1495°C

Technological Curves of steel grade SD 40

Cross Reference Table (Equivalent Grade) of SD 40

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