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Chemical Composition & Physical Properties
Grade
|
Chemical Composition (mass fraction) %
|
||||||||
Sn
|
AI |
Zn
|
Ni
|
Fe
|
Pb
|
P |
Cu
|
Total impurity content
|
|
QSn6.5-0.4
|
6.0~7.0
|
0.002
|
0.30
|
0.2
|
0.05
|
0.02
|
0.26~0.40
|
remain
|
0.1
|
Grade
|
Condition
|
Tensile Test
|
||
Thickness/mm
|
Tensile Rm/
(N/mm2) |
Elongation after fracture %
|
||
QSn6.5-0.4
|
M
|
>0.15
|
≤295
|
≥40
|
Y
|
540~690
|
≥8
|
||
T
|
≥665
|
≥2
|