With joint protections of coating and cathode, the buried steel pipeline will still be corroded and penetraded on some pipe surfaces.
埋地钢质管道在防腐层、阴极防腐的共同保护下，钢管的某些区域仍会被腐蚀穿孔。
2
This paper introduces application technique and performance test of powder coating in experimental production for large - diameter steel plate - welded pipe.
主要介绍大直径钢板焊接钢管涂敷环氧粉末涂层实验性生产中的施工技术及涂层性能测试。
3
All AWWA steelpipecoating standards are based on the maximum service temperature of potable water. The purchaser shall consult the coating manufacturer for conditions and limitations.