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Japan JIS BCu-8 Copper and copper alloy brazing filler metals and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BCu-8 / BCu-8
Category Grade Standard Region/Area Standard Content
Metals BCu-8 JIS Z3262 Japan Copper and copper alloy brazing filler metals

Chemical composition(mass fraction)(wt.%) of the BCu-8

Element Min Max Similar
Mn - 0.2000 -
Si 0.1500 0.5000 -
Ni 8.0000 11.0000 -
Cu 46.0000 50.0000 -
Zn - - -
Sn - 0.2000 -
Others Total - 0.5000 -

Mechanical Properties of steel grade BCu-8

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)
886 (≥) 366 (≥) 31 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade BCu-8

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
32 - -     0.43 -  
886 198 - 34.3 344   -  
547 - 44 22.2   332 321

Heat Treatment of steel grade BCu-8

Heat treated : 1838°C - 1849°C

Technological Curves of steel grade BCu-8

Cross Reference Table (Equivalent Grade) of BCu-8

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