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China GB PSB785 预应力混凝土用螺纹钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PSB785 / PSB785
Category Grade Standard Region/Area Standard Content
Metals PSB785 GB/T 20065 China 预应力混凝土用螺纹钢筋

Chemical composition(mass fraction)(wt.%) of the PSB785

Element Min Max Similar
P - 0.0350 -
S - 0.0350 -

Mechanical Properties of steel grade PSB785

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)
698 (≥) 949 (≥) 33 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade PSB785

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 - -     0.44 -  
463 118 - 33.3 431   -  
468 - 23 43.2   341 412

Heat Treatment of steel grade PSB785

Heat treated : 1656°C - 1432°C

Technological Curves of steel grade PSB785

Cross Reference Table (Equivalent Grade) of PSB785

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