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BV-Ag72Cu-780 a

Favorite Datasheet

Japan JIS BV-Ag72Cu-780a Precious brazing filler metals for vacuum service and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BV-Ag72Cu-780a / BV-Ag72Cu-780 a
Category Grade Standard Region/Area Standard Content
Metals BV-Ag72Cu-780 a JIS Z3268 Japan Precious brazing filler metals for vacuum service

Chemical composition(mass fraction)(wt.%) of the BV-Ag72Cu-780 a

Element Min Max Similar
Cu - - -
Cd - 0.0010 -
Zn - 0.0010 -
Ag 71.0000 73.0000 -
Pb - 0.0020 -
Other - 0.0010 -

Mechanical Properties of steel grade BV-Ag72Cu-780 a

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)
351 (≥) 917 (≥) 13 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade BV-Ag72Cu-780 a

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 - -     0.11 -  
937 946 - 14.3 314   -  
352 - 32 32.2   424 133

Heat Treatment of steel grade BV-Ag72Cu-780 a

Heat treated : 1792°C - 1594°C

Technological Curves of steel grade BV-Ag72Cu-780 a

Cross Reference Table (Equivalent Grade) of BV-Ag72Cu-780 a

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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