The solution was drawn from the weldflux and proofed in the practice.
从焊剂方面提出了解决问题的方法，并在实际生产中验证了其使用效果。
2
Flux-cored wire is applied to the austenitic stainless steel pipe by back weld, MAG for the filling and cosmetic weld, at horizontal fixed round welding vertically up.
采用药芯焊丝对奥氏体不锈钢管道进行打底焊接，MAG焊填充及盖面焊，立向上的水平固定全位置焊接。
3
The calculated results of current density and heat flux on flat weld pool surface using model established in this paper are agreed with experiment.