>>>>BACK
Chemical Composition & Physical Properties
|
Grade
|
Chemical Composition (mass fraction) %
|
||||||||
|
Sn
|
Zn |
Ni
|
Fe
|
Pb
|
P
|
As1)
|
Cu
|
||
|
QSn4-0.3 (C51100) |
3.5~4.9
|
0.30
|
0.2
|
0.10
|
0.05
|
0.03~0.35 |
-
|
remain6)
|
|
|
Grade
|
Condition
|
Tensile Test
|
Hardness Test
|
|||
|
Thickness/mm
|
Tensile Rm/
(N/mm2) |
Elongation after fracture %
|
HV
|
HRB
|
||
|
QSn4-0.3
|
M
|
≥ 0.15
|
≥290
|
≥40
|
-
|
- |
|
Y
|
540~690
|
≥3
|
||||
|
T
|
≥635
|
≥25
|
||||