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SBPDL 1275/1420

Japan JIS SBPDL1275/1420 预应力混凝土用小尺寸螺纹钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SBPDL1275/1420 / SBPDL 1275/1420
Category Grade Standard Region/Area Standard Content
Metals SBPDL 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 SBPDL 1275/1420

Element Min Max Similar

Mechanical Properties of steel grade SBPDL 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)
348 (≥) 639 (≥) 43 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SBPDL 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
43 - -     0.34 -  
787 339 - 21.3 343   -  
414 - 12 11.2   434 142

Heat Treatment of steel grade SBPDL 1275/1420

Heat treated : 1525°C - 1245°C

Technological Curves of steel grade SBPDL 1275/1420

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

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