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锅炉用火管产生坑蚀,是由于火管冷滚压槽时产生的残余应力与组织缺陷,在腐蚀介质作用下发生的应力选择腐蚀。通过试验研究与分析认为可以通过完全退火处理来预防。
The pitting corrosion of the boiler pipe is caused by the residual stress and the structural defects generated by the cold rolling groove of the fire pipe, and the stress selective corrosion occurs under the action of the corrosive medium. Through experimental research and analysis that can be completely annealed to prevent.