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B Ag50CuZnSnNi650/670

China GB BAg50CuZnSnNi650/670 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 Ag50CuZnSnNi650/670 GB/T 18762 China 贵金属及其合金钎料

Chemical composition(mass fraction)(wt.%) of the B Ag50CuZnSnNi650/670

Element Min Max Similar
Zn 26.0000 28.0000 -
Total Others - 0.2000 -
Sn 0.7000 1.3000 -
Pb - 0.0500 -
Ni 0.3000 0.6500 -
Cu 20.5000 22.5000 -
Cd - 0.0500 -
Ag - - -

Mechanical Properties of steel grade B Ag50CuZnSnNi650/670

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)
259 (≥) 788 (≥) 42 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade B Ag50CuZnSnNi650/670

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
32 - -     0.32 -  
133 298 - 14.3 342   -  
392 - 23 31.2   141 312

Heat Treatment of steel grade B Ag50CuZnSnNi650/670

Heat treated : 1272°C - 1836°C

Technological Curves of steel grade B Ag50CuZnSnNi650/670

Cross Reference Table (Equivalent Grade) of B Ag50CuZnSnNi650/670

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