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China 宝钢Q/BQB B23R090 全工艺冷轧取向电工钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B23R090 / B23R090
Category Grade Standard Region/Area Standard Content
Metals B23R090 Q/BQB 485 China 全工艺冷轧取向电工钢带

Chemical composition(mass fraction)(wt.%) of the B23R090

Element Min Max Similar

Mechanical Properties of steel grade B23R090

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)
835 (≥) 668 (≥) 31 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade B23R090

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
13 - -     0.32 -  
566 397 - 21.3 223   -  
528 - 22 23.2   221 311

Heat Treatment of steel grade B23R090

Heat treated : 1152°C - 1693°C

Technological Curves of steel grade B23R090

Cross Reference Table (Equivalent Grade) of B23R090

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