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China GB PSB830 预应力混凝土用螺纹钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PSB830 / PSB830
Category Grade Standard Region/Area Standard Content
Metals PSB830 GB/T 20065 China 预应力混凝土用螺纹钢筋

Chemical composition(mass fraction)(wt.%) of the PSB830

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

Mechanical Properties of steel grade PSB830

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)
455 (≥) 267 (≥) 21 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade PSB830

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
42 - -     0.21 -  
349 259 - 44.3 432   -  
823 - 22 33.2   422 123

Heat Treatment of steel grade PSB830

Heat treated : 1174°C - 1313°C

Technological Curves of steel grade PSB830

Cross Reference Table (Equivalent Grade) of PSB830

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