◆ 抗氧化焊锡条 |
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具有良好的抗氧化能力,流动性高,焊接性强,熔化时浮渣极少,在浸入和波峰焊接中极少氧化,是省锡的经济型焊锡条。优良的湿润性和可焊性,焊点饱满、均匀,焊接效果极佳。
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| ◆ 高纯度低渣锡条 |
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其采用的原料为100%电解锡、铅或锡铅合金。再以铸模或挤压成形。因而促成了稳定的高重度、超低渣和湿润性高的特点,使它适应于各种焊接过程。
|
| |
Sn |
Pb |
Ai |
Sb |
As |
Bi |
Cu |
Fe |
Zn |
Cd |
Ag |
Ni |
In |
Au |
P |
S |
Tao |
BSEN29453
DINEN29453
Max |
SPEC±0.5 |
REM |
0.001 |
0.120 |
0.030 |
0.100 |
0.050 |
0.020 |
0.001 |
0.002 |
- |
- |
- |
- |
- |
- |
0.080 |
QQ-S-571F
Max |
SPEC±0.5 |
REM |
0.005 |
0.500 |
0.030 |
0.100 |
0.080 |
0.020 |
0.005 |
0.005 |
0.100 |
0.010 |
0.100 |
0.080 |
0.010 |
0.005 |
- |
JIS Z 3282
Max |
SPEC±1 |
REM |
0.005 |
0.300 |
0,030 |
0.050 |
0.050 |
0.030 |
0.003 |
0.005 |
- |
- |
- |
- |
- |
- |
- |
DJ-STD-006
Max |
SPEC±0.5 |
REM |
0.005 |
0.050 |
0.030 |
0.100 |
0.080 |
0.020 |
0.003 |
0.002 |
0.050 |
0.010 |
0.100 |
0.050 |
- |
- |
- |
ASTM B32
Max |
SPEC±0.5 |
REM |
0.005 |
0.500 |
0.030 |
0.250 |
0.080 |
0.020 |
0.005 |
0.001 |
0.015 |
- |
- |
- |
- |
- |
- |
Electros HPLD
Max |
SPEC±0.5 |
REM |
0.0005 |
0.0090 |
0.0060 |
0,0070 |
0,002 |
0.005 |
0.0005 |
0.0002 |
0.002 |
- |
- |
- |
- |
- |
- |
| 说明:如客户没有特别要求,锡条均采用QQ-S-571F作为检验标准。 |
| ◆高温锡条、低温锡条 |
液相线温度高于锡铅共晶熔点(183℃)的称作高温锡条,高温锡条是在焊锡合金中加入银、锑或铅的比例较高而形成,多用于主机板组装时不产生变化的元件之组装。
液相线温度低于锡铅共晶熔点(183℃)的称作低温锡条。低温锡条是在锡铅合金中加入铋、铟、镉等成份而形成。多用于微电子传感器等耐热性较差的零件组装。 |
| ◆常用焊接合金温度参照表 |
| 成
份 |
焊锡合金 |
熔点范围
℃ |
锡
条 |
锡
线 |
| 锡、铅
Sn/Pb
|
63Sn/37Pb |
183 |
● |
● |
| 60Sn/40Pb |
183-190 |
● |
● |
| 50Sn/50Pb |
183-216 |
● |
● |
| 45Sn/55Pb |
183-227 |
● |
● |
| 40Sn/60Pb |
193-238 |
● |
● |
| 30Sn/70Pb |
210-255 |
● |
● |
| 25Sn/75Pb |
230-266 |
● |
● |
| 15Sn/85Pb |
250-288 |
● |
● |
| 10Sn/90Pb |
290-299 |
● |
● |
| 5Sn/95Pb |
310-312 |
● |
● |
| 2Sn/98Pb |
316-321 |
● |
● |
| 含银合金 |
62Sn/36Pb/2Ag |
179 |
● |
● |
| 96.5Sn/3.5Ag |
221 |
● |
● |
| 95Sn/5Ag |
221-245 |
● |
● |
| 10Sn/88Pb/2Ag |
268-290 |
● |
● |
| 5Sn/92.5Pb/2.5Ag |
280-284 |
● |
● |
| 97.5Sn/2.5Ag |
305 |
● |
● |
| 1Sn/97.5Pb/1.5Ag |
309 |
● |
● |
| 锡、锑 |
100Sn |
232 |
● |
● |
| 95Sn/5Pb |
232-240 |
● |
● |
| 99Sn/1Pb |
234 |
● |
● |
| 低
温 |
16Sn/32Pb/52Bi |
96 |
● |
- |
| 48Sn/52In |
118 |
● |
- |
| 50Sn/40Pb/10Bi |
120-167 |
● |
● |
| 42Sn/58Bi |
139 |
● |
- |
| 43Sn/43Pb/14Bi |
135-165 |
● |
● |
| 50Sn/32Pb/18Bi |
145 |
● |
● |
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