| <美國聯邦規格 (M.I.L.)> |
|
錫/合金成分規格 |
|
Composition |
Tin |
Lead |
Anit-mony |
Bismuth, max |
Cooper, max |
Iron, max |
Zinc, max |
Aluminum, max |
Arsenic, max |
Arsenic, max |
Calcium, max |
Total of all
others, max |
|
Sn63 |
62.5 to 63.5 |
Remainder |
0.20 to 0.50 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.03 |
0.003 |
0.08 |
|
SN60 |
59.5 to 61.5 |
Remainder |
0.20 to 0.50 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.03 |
0.004 |
0.08 |
|
Sn50 |
49.5 to 51.5 |
Remainder |
0.20 to 0.50 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.03 |
0.004 |
0.08 |
|
Sn40 |
39.5 to 41.5 |
Remainder |
0.20 to 0.50 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.02 |
0.003 |
0.08 |
|
Sn35 |
34.5 to 36.5 |
Remainder |
1.6 to 2.0 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.02 |
Nil |
0.08 |
|
Sn30 |
39.5 to 31.5 |
Remainder |
1.4-1.8 |
0.25 |
0.08 |
0.02 |
0.005 |
0.005 |
0.02 |
0.02 |
Nil |
0.08 |