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China YS SnBi42 无铅锡基焊料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SnBi42 / SnBi42
Category Grade Standard Region/Area Standard Content
Metals SnBi42 YS/T 747 China 无铅锡基焊料

Chemical composition(mass fraction)(wt.%) of the SnBi42

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 41.0000 43.0000 -
Cu - 0.0800 -
Ag - 0.1000 -
Sn - - -

Mechanical Properties of steel grade SnBi42

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)
848 (≥) 416 (≥) 34 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SnBi42

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
41 - -     0.41 -  
813 952 - 31.3 122   -  
282 - 11 11.2   343 222

Heat Treatment of steel grade SnBi42

Heat treated : 1271°C - 1659°C

Technological Curves of steel grade SnBi42

Cross Reference Table (Equivalent Grade) of SnBi42

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