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M140-30S5

International IEC M140-30S5 磁性材料 第8-7部分:单项材料规范 以全加工状态交货的冷轧晶粒定向电工硅钢片和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: M140-30S5 / M140-30S5
Category Grade Standard Region/Area Standard Content
Metals M140-30S5 IEC 60404-8-7 International 磁性材料 第8-7部分:单项材料规范 以全加工状态交货的冷轧晶粒定向电工硅钢片和钢带

Chemical composition(mass fraction)(wt.%) of the M140-30S5

Element Min Max Similar

Mechanical Properties of steel grade M140-30S5

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)
754 (≥) 534 (≥) 41 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade M140-30S5

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 - -     0.43 -  
368 689 - 31.3 124   -  
787 - 33 33.2   432 311

Heat Treatment of steel grade M140-30S5

Heat treated : 1376°C - 1431°C

Technological Curves of steel grade M140-30S5

Cross Reference Table (Equivalent Grade) of M140-30S5

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