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China 宝钢Q/BQB B30P120 全工艺冷轧取向电工钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B30P120 / B30P120
Category Grade Standard Region/Area Standard Content
Metals B30P120 Q/BQB 485 China 全工艺冷轧取向电工钢带

Chemical composition(mass fraction)(wt.%) of the B30P120

Element Min Max Similar

Mechanical Properties of steel grade B30P120

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)
854 (≥) 726 (≥) 13 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade B30P120

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
31 - -     0.34 -  
272 652 - 12.3 432   -  
519 - 14 44.2   134 431

Heat Treatment of steel grade B30P120

Heat treated : 1294°C - 1966°C

Technological Curves of steel grade B30P120

Cross Reference Table (Equivalent Grade) of B30P120

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