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BVAu-7 Grade 1

America ASME BVAu-7Grade1 Specification for filler metals for brazing and braze welding and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BVAu-7Grade1 / BVAu-7 Grade 1
Category Grade Standard Region/Area Standard Content
Metals BVAu-7 Grade 1 ASME SFA-5.8/SFA-5.8M America Specification for filler metals for brazing and braze welding

Chemical composition(mass fraction)(wt.%) of the BVAu-7 Grade 1

Element Min Max Similar
Zn - 0.0010 -
Pd - - -
Pb - 0.0020 -
P - 0.0020 -
Ni 24.5000 25.5000 -
Co - 0.0600 -
Cd - 0.0010 -
C - 0.0050 -
Au 49.5000 50.5000 -

Mechanical Properties of steel grade BVAu-7 Grade 1

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)
279 (≥) 719 (≥) 44 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade BVAu-7 Grade 1

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
44 - -     0.42 -  
498 456 - 32.3 121   -  
213 - 24 43.2   213 442

Heat Treatment of steel grade BVAu-7 Grade 1

Heat treated : 1257°C - 1191°C

Technological Curves of steel grade BVAu-7 Grade 1

Cross Reference Table (Equivalent Grade) of BVAu-7 Grade 1

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