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B9 Alloy 40

America ASTM B9Alloy40 硬的、中等硬的或软的同心绞捻的铜导线 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B9Alloy40 / B9 Alloy 40
Category Grade Standard Region/Area Standard Content
Metals B9 Alloy 40 ASTM B9 America 硬的、中等硬的或软的同心绞捻的铜导线

Chemical composition(mass fraction)(wt.%) of the B9 Alloy 40

Element Min Max Similar

Mechanical Properties of steel grade B9 Alloy 40

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)
613 (≥) 648 (≥) 12 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade B9 Alloy 40

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 - -     0.33 -  
667 668 - 23.3 142   -  
761 - 31 31.2   222 224

Heat Treatment of steel grade B9 Alloy 40

Heat treated : 1327°C - 1562°C

Technological Curves of steel grade B9 Alloy 40

Cross Reference Table (Equivalent Grade) of B9 Alloy 40

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