Available 24/7 at contact@steel-grades.com

B Ag40CuZnSnNi634/640

China GB BAg40CuZnSnNi634/640 贵金属及其合金钎料 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals B Ag40CuZnSnNi634/640 GB/T 18762 China 贵金属及其合金钎料

Chemical composition(mass fraction)(wt.%) of the B Ag40CuZnSnNi634/640

Element Min Max Similar
Zn 33.0000 37.0000 -
Total Others - 0.2000 -
Pb - 0.0500 -
Mn 4.5000 5.5000 -
Cu - - -
Cd - 0.0500 -
Ag 19.5000 20.5000 -

Mechanical Properties of steel grade B Ag40CuZnSnNi634/640

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)
398 (≥) 245 (≥) 24 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade B Ag40CuZnSnNi634/640

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
23 - -     0.12 -  
748 994 - 24.3 234   -  
163 - 12 21.2   214 224

Heat Treatment of steel grade B Ag40CuZnSnNi634/640

Heat treated : 1462°C - 1658°C

Technological Curves of steel grade B Ag40CuZnSnNi634/640

Cross Reference Table (Equivalent Grade) of B Ag40CuZnSnNi634/640

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this B Ag40CuZnSnNi634/640?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top