符合GB BAg45CuZn
相当 AWS BAg-5
L303是含银45%的银钎料,熔点较低,具有良好的漫流性和填满间隙的能力,钎缝表面光洁,接头强度高和耐冲击载荷性能好。
L303 is a silver solder containing 45% silver. It has a low melting point, good flowability and the ability to fill gaps, smooth brazing seam surface, high joint strength and good impact load resistance.
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 | Zn |
| 44.0~46.0 | 29.0~31.0 | 余量 |
| 固相线 | 液相线 |
| 660 | 725 |
| 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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