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BVAg-31 b

Japan JIS BVAg-31b Precious brazing filler metals for vacuum service and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BVAg-31b / BVAg-31 b
Category Grade Standard Region/Area Standard Content
Metals BVAg-31 b JIS Z3268 Japan Precious brazing filler metals for vacuum service

Chemical composition(mass fraction)(wt.%) of the BVAg-31 b

Element Min Max Similar
Cu - - -
Cd - 0.0020 -
Zn - 0.0020 -
Ag 57.0000 59.0000 -
Pb 9.5000 10.5000 -
Other - 0.0020 -

Mechanical Properties of steel grade BVAg-31 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)
452 (≥) 268 (≥) 31 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade BVAg-31 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
42 - -     0.23 -  
548 498 - 41.3 142   -  
474 - 41 34.2   422 343

Heat Treatment of steel grade BVAg-31 b

Heat treated : 1578°C - 1683°C

Technological Curves of steel grade BVAg-31 b

Cross Reference Table (Equivalent Grade) of BVAg-31 b

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