Leakage welding seam can not be burn-through, cracks, porosity and other defects; slag, melt tumors, and other spatter cleaned, polished finishing welds;
The weld shall be free of defects such as missing welding, burn through, crack, air hole, etc.; the welding slag, melting tumor, spatter, etc. shall be cleaned and the weld shall be polished and finished;<br>