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Poland PN B420D-P Steel for the reinforcement of concrete - Smooth Bars(ISO 6935-1:1991) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B420D-P / B420D-P
Category Grade Standard Region/Area Standard Content
Metals B420D-P PN-ISO 6935-1 Poland Steel for the reinforcement of concrete - Smooth Bars(ISO 6935-1:1991)

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

Element Min Max Similar
C - 0.3000 -
Mn - 1.5000 -
P - 0.0400 -
S - 0.0400 -
Si - 0.5500 -
N - 0.0120 -
CEV - 0.5600 -

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)
956 (≥) 377 (≥) 41 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

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
43 - -     0.13 -  
643 687 - 13.3 144   -  
252 - 13 12.2   432 122

Heat Treatment of steel grade B420D-P

Heat treated : 1363°C - 1578°C

Technological Curves of steel grade B420D-P

Cross Reference Table (Equivalent Grade) of B420D-P

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