What are the requirements for the grinding of the cracks before the pressure vessel test?
The weld is smooth transition, and the width of the weld width of 5% is cleaned and cleaned.
The main purpose of polishing is to remove the bite, the slag, etc
The length of sanding should be determined according to the relevant standards, usually 20 per cent, must contain the type T weld, the width is the weld itself and both sides 25mm