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China GB HRB400E 钢筋混凝土用钢 第2部分:热轧带肋钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HRB400E / HRB400E
Category Grade Standard Region/Area Standard Content
Metals HRB400E GB 1499.2 China 钢筋混凝土用钢 第2部分:热轧带肋钢筋

Chemical composition(mass fraction)(wt.%) of the HRB400E

Element Min Max Similar
C 0.2100 0.2500 -
Si 0.3000 0.6000 -
Mn 1.3000 1.5500 -
P - 0.0450 -
S - 0.0450 -
Ceq - 0.5400 -

Mechanical Properties of steel grade HRB400E

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)
233 (≥) 381 (≥) 44 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade HRB400E

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
44 - -     0.42 -  
585 429 - 43.3 222   -  
133 - 14 42.2   432 142

Heat Treatment of steel grade HRB400E

Heat treated : 1974°C - 1471°C

Technological Curves of steel grade HRB400E

Cross Reference Table (Equivalent Grade) of HRB400E

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