ASTM A350 plate flange
2017-05-27 11:07:50 COMMENT：0 HITS：
ASTM A350 plate flange does not allow repair welding in principle. Cutters must remove the inside hole repair welding forging blank, not processing. Other parts can not afford to find cracks, folding, slag and so on defects and black, cross-quality inspection department to do identification processing, shall not privately down the process flow, not welding.
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