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为解决吸收塔使用过程中出现的焊缝腐蚀大于母材 316L腐蚀的问题 ,采用了多种焊材制作焊接试板 ,通过试验室全浸腐蚀试验和现场挂片试验对焊材进行筛选 ,并最终确定焊材和盖面厚度。
In order to solve the problem that the weld corrosion in the absorption tower is greater than the corrosion of base metal 316L, a variety of welding consumables are used to make welding test plates. The welding consumables are screened through the test of full immersion corrosion in the laboratory and the live coupon test The final determination of welding consumables and cover thickness.