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SBPDN 1275/1420

Japan JIS SBPDN1275/1420 预应力混凝土用小尺寸螺纹钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SBPDN1275/1420 / SBPDN 1275/1420
Category Grade Standard Region/Area Standard Content
Metals SBPDN 1275/1420 JIS G3137 Japan 预应力混凝土用小尺寸螺纹钢

Chemical composition(mass fraction)(wt.%) of the SBPDN 1275/1420

Element Min Max Similar

Mechanical Properties of steel grade SBPDN 1275/1420

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)
614 (≥) 835 (≥) 12 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SBPDN 1275/1420

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 - -     0.24 -  
556 517 - 14.3 423   -  
792 - 24 21.2   331 143

Heat Treatment of steel grade SBPDN 1275/1420

Heat treated : 1684°C - 1653°C

Technological Curves of steel grade SBPDN 1275/1420

Cross Reference Table (Equivalent Grade) of SBPDN 1275/1420

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