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China 宝钢Q/BQB B50A540 全工艺冷轧无取向电工钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B50A540 / B50A540
Category Grade Standard Region/Area Standard Content
Metals B50A540 Q/BQB 480 China 全工艺冷轧无取向电工钢带

Chemical composition(mass fraction)(wt.%) of the B50A540

Element Min Max Similar

Mechanical Properties of steel grade B50A540

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)
689 (≥) 584 (≥) 42 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade B50A540

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
33 - -     0.34 -  
612 776 - 43.3 411   -  
956 - 43 33.2   421 112

Heat Treatment of steel grade B50A540

Heat treated : 1969°C - 1444°C

Technological Curves of steel grade B50A540

Cross Reference Table (Equivalent Grade) of B50A540

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