The main cause to lead the cover leakage was erosion by alkali elements and Cl,S,O strong corrosion elements which are with high concentration con...

　
英 美
  • 結果表明,汽包中水質(zhì)含有較高濃度的堿性元素和氯、硫、氧等強腐蝕性元素,又在焊接殘余應力的作用下發(fā)生應力腐蝕開(kāi)裂,最后導致汽包封頭產(chǎn)生泄漏。
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