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SnAg0.3Cu0.7

China YS SnAg0.3Cu0.7 无铅锡基焊料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SnAg0.3Cu0.7 / SnAg0.3Cu0.7
Category Grade Standard Region/Area Standard Content
Metals SnAg0.3Cu0.7 YS/T 747 China 无铅锡基焊料

Chemical composition(mass fraction)(wt.%) of the SnAg0.3Cu0.7

Element Min Max Similar
Ni - 0.0500 -
Cd - 0.0020 -
Al - 0.0050 -
As - 0.0100 -
Fe - 0.0200 -
Pb - 0.0500 -
Zn - 0.0050 -
Sb - 0.1000 -
Bi - 0.0500 -
Cu 0.5000 0.9000 -
Ag 0.2000 0.4000 -
Sn - - -

Mechanical Properties of steel grade SnAg0.3Cu0.7

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)
136 (≥) 865 (≥) 41 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SnAg0.3Cu0.7

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
22 - -     0.21 -  
813 684 - 24.3 141   -  
415 - 32 13.2   142 344

Heat Treatment of steel grade SnAg0.3Cu0.7

Heat treated : 1174°C - 1476°C

Technological Curves of steel grade SnAg0.3Cu0.7

Cross Reference Table (Equivalent Grade) of SnAg0.3Cu0.7

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