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International ISO B400DWR 钢筋混凝土用钢 - 第2部分:带肋钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B400DWR / B400DWR
Category Grade Standard Region/Area Standard Content
Metals B400DWR ISO 6935-2 International 钢筋混凝土用钢 - 第2部分:带肋钢筋

Chemical composition(mass fraction)(wt.%) of the B400DWR

Element Min Max Similar
Si - 0.5500 -
S - 0.0400 -
P - 0.0400 -
N - 0.0120 -
Mn - 1.8000 -
CEV - 0.5600 -
C - 0.2900 -

Mechanical Properties of steel grade B400DWR

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)
339 (≥) 717 (≥) 32 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade B400DWR

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
23 - -     0.12 -  
822 475 - 44.3 412   -  
458 - 14 33.2   133 141

Heat Treatment of steel grade B400DWR

Heat treated : 1914°C - 1451°C

Technological Curves of steel grade B400DWR

Cross Reference Table (Equivalent Grade) of B400DWR

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