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目前,世界各国对钢的低倍检验,仍然采用热酸浸蚀法,只有我国上海第一钢厂,成功地用电解腐蚀法做小截面钢的低倍检验,效果也比较好。我厂在学习上钢一厂经验基础上,经过反复实践,终于试验成功了大截面的低倍电解腐蚀方法,并做成半机械化低倍电解腐蚀设备,从七一年投入使用,效果良好,能满足生产检验的要求。
At present, all countries in the world of low-fold testing of steel is still using hot acid etching method, only the first Shanghai Steel Plant in China, the successful use of electrolytic corrosion of small sections of steel to do a low test, the effect is better. On the basis of learning from experience of a steel factory, after repeated practice, we finally succeeded in testing a large-area low-rate electrolytic corrosion method and made a semi-mechanized low-power electrolytic corrosion equipment. Since its commencement in 1981, the plant has achieved good results. To meet the requirements of production inspection.