描述
特点
LSF-121T is a wire flux combination, Suitable for welding single and multiple wires application. Designed for two-runs or multiple layers with both AC and DC technique. Has excellent slag detach ability and good operation performance. Good mechanical properties at low temperatures can be achieved if it is combined with appropriate wire. It is suitable to be applied in following industries.
应用：
Typical applications include pressure vessels, H beam, pipe-mill application, shipbuilding and general steel structure.
使用说明：
1. Dry the flux at 350℃ for 6 min. 120 minutes before use.
2. Suitable for multi-pass welding of thick plates.
分类：
AWS A5.17 F7A6-EM12K
焊接金属的典型化学成分（wt%）
| C | 锰 | Si | P | S |
| 0.07 | 1.26 | 0.3 | 0.015 | 0.010 |
焊接金属的典型机械性能
| YP N/mm2 | TS N/mm2 | EL % | IV -60ºC J |
| 415 | 525 | 31 | 70 |
尺寸和推荐电流范围 ( DC+)
| 导线直径（毫米） | 2.4 | 3.2 | 4.0 |
| 线材：每卷重量（千克） | 25 | 25 | 25 |
| 助焊剂： 每袋重量（千克） | 25 | 25 | 25 |
