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本文介绍了406、406A、D6AC高强钢在几种水性介质中的应力腐蚀试验结果,并对传统使用的0.5％重铬酸钾水溶液和不同浓度硼酸盐溶液缓蚀效果进行了对比分析,提出以四硼酸钠溶液代替重铬酸钾溶液作为高强钢压力容器理想的打压试验介质。
In this paper, the stress corrosion test results of 406, 406A and D6AC high strength steel in several aqueous media are introduced. The corrosion inhibition effect of 0.5% potassium dichromate solution and borate solution with different concentrations conventionally used is compared and analyzed. Sodium tetraborate solution instead of potassium dichromate solution as high strength steel pressure vessel ideal pressure test medium.