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BSi3.2-0.7

China GB BSi3.2-0.7 引线框架用铜及铜合金带材 第一部分:平带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BSi3.2-0.7 / BSi3.2-0.7
Category Grade Standard Region/Area Standard Content
Metals BSi3.2-0.7 GB/T 20254.1 China 引线框架用铜及铜合金带材 第一部分:平带

Chemical composition(mass fraction)(wt.%) of the BSi3.2-0.7

Element Min Max Similar
Mn - 1.0000 -
Zn - 1.0000 -
Fe - 0.2000 -
Pb - 0.0500 -
Mg 0.0500 0.3000 -
Ni(含Co) 2.2000 4.2000 -
Si 0.2500 1.2000 -
Cu(含Ag) - - -

Mechanical Properties of steel grade BSi3.2-0.7

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)
994 (≥) 511 (≥) 32 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade BSi3.2-0.7

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
14 - -     0.42 -  
331 644 - 41.3 123   -  
892 - 12 13.2   134 323

Heat Treatment of steel grade BSi3.2-0.7

Heat treated : 1217°C - 1238°C

Technological Curves of steel grade BSi3.2-0.7

Cross Reference Table (Equivalent Grade) of BSi3.2-0.7

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