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International ISO B420D-P 钢筋混凝土用钢 - 第1部分:普通钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B420D-P / B420D-P
Category Grade Standard Region/Area Standard Content
Metals B420D-P ISO 6935-1 International 钢筋混凝土用钢 - 第1部分:普通钢筋

Chemical composition(mass fraction)(wt.%) of the B420D-P

Element Min Max Similar

Mechanical Properties of steel grade B420D-P

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)
549 (≥) 491 (≥) 22 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade B420D-P

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 - -     0.11 -  
585 928 - 43.3 331   -  
286 - 34 12.2   314 434

Heat Treatment of steel grade B420D-P

Heat treated : 1283°C - 1343°C

Technological Curves of steel grade B420D-P

Cross Reference Table (Equivalent Grade) of B420D-P

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