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Chemical Composition & Physical Properties
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Grade
|
Chemical Composition (mass fraction) %
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|
Sn
|
AI |
Zn
|
Ni
|
Fe
|
Pb
|
P |
Cu
|
Total impurity content
|
|
|
QSn6.5-0.1
|
6.0~7.0
|
0.002
|
0.30
|
0.2
|
0.05
|
0.02
|
0.10~0.25
|
remain
|
0.1
|
|
Grade
|
Condition
|
Tensile Test
|
Hardness Test
|
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|
Thickness/mm
|
Tensile Rm/
(N/mm2) |
Elongation after fracture %
|
HV
|
HRB
|
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|
QSn6.5-0.1
|
M
|
>0.15
|
≥315
|
≥40
|
≤120
|
-
|
|
Y4
|
390~510
|
≥35
|
110~155
|
-
|
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|
Y2
|
490~610
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≥10
|
150~190
|
-
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|
Y
|
590~690
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≥8
|
180~230
|
-
|
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| T |
635~720
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≥5
|
200~240
|
-
|
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| TY |
≥690
|
-
|
≥210
|
-
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