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BV-Au80Cu-890 b

Japan JIS BV-Au80Cu-890b Precious brazing filler metals for vacuum service and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BV-Au80Cu-890b / BV-Au80Cu-890 b
Category Grade Standard Region/Area Standard Content
Metals BV-Au80Cu-890 b JIS Z3268 Japan Precious brazing filler metals for vacuum service

Chemical composition(mass fraction)(wt.%) of the BV-Au80Cu-890 b

Element Min Max Similar
Au 79.5000 80.5000 -
Cu - - -
Cd - 0.0020 -
Zn - 0.0020 -
Pb - 0.0020 -
Other - 0.0020 -

Mechanical Properties of steel grade BV-Au80Cu-890 b

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)
851 (≥) 136 (≥) 42 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade BV-Au80Cu-890 b

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
24 - -     0.44 -  
795 113 - 11.3 441   -  
311 - 21 23.2   222 121

Heat Treatment of steel grade BV-Au80Cu-890 b

Heat treated : 1423°C - 1896°C

Technological Curves of steel grade BV-Au80Cu-890 b

Cross Reference Table (Equivalent Grade) of BV-Au80Cu-890 b

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