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B452 Class 30A

America ASTM B452Class30A 电子设备用包铜钢导线 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B452Class30A / B452 Class 30A
Category Grade Standard Region/Area Standard Content
Metals B452 Class 30A ASTM B452 America 电子设备用包铜钢导线

Chemical composition(mass fraction)(wt.%) of the B452 Class 30A

Element Min Max Similar

Mechanical Properties of steel grade B452 Class 30A

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)
588 (≥) 173 (≥) 41 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade B452 Class 30A

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
34 - -     0.24 -  
471 134 - 13.3 433   -  
876 - 31 21.2   432 224

Heat Treatment of steel grade B452 Class 30A

Heat treated : 1392°C - 1855°C

Technological Curves of steel grade B452 Class 30A

Cross Reference Table (Equivalent Grade) of B452 Class 30A

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