符合GB BAg25CuZnSn
相当AWS BAg-37
L302是含少量锡的银钎料,锡的加入使其熔点降低。漫流性好,钎缝较光洁。
L302 is a silver solder containing a small amount of tin, and the addition of tin reduces its melting point. The flow is good, and the brazing seam is smoother.
用于钎焊铜及铜合金、钢及不锈钢等。
Used for brazing copper and copper alloys, steel and stainless steel, etc.
| Ag | Cu | Sn | Zn |
| 24.0~2.06 | 39.0~41.0 | 1.5~2.5 | 余量 |
| 固相线 | 液相线 |
| 680 | 760 |
| 焊丝直径Φ (长度:500) |
0.8 | 1.0 | 1.2 | 1.6 | 2.0 | 2.4 | 3.0 | 4.0 | 5.0 | 6.0 |
1. 钎焊前必须严格清除钎焊处及钎料表面的油脂、氧化物等污物。
2. 钎焊时须配银钎焊熔剂共同使用,或使用涂敷有钎剂的钎料。
1. Before brazing, the grease, oxides and other dirt on the brazing part and the surface of the solder must be strictly removed.
2. When brazing, it must be used together with silver brazing flux, or use brazing filler metal coated with flux.
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