摘要
本文介绍了硫、磷对焊缝性能的危害，消除硫、磷的原理及不同焊接条件下消除硫、磷的具体办法和程度．
The paper discusses the adverse influence of S and P on the properties of welds. It alsoexpounds the principle to remove S and P and provides the concrete measures to eliminate Sand P in welds as well as the extent of elimination'
