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查看详情Thisstandardspecifiesclassification,symbols,orderinginformation,dimensions,shapes,masses,tolerances,technicalrequirements,rust-prooftreatment,testmethods,inspectionrules,packing,markingandqualitycertificationoftheseamlesssteeltubesforhighpressurefeedwaterheater.
Thisstandardisapplicabletotheseamlessstraight,U-bentandserpentinesteeltubes(hereinafterreferredtoassteeltube)forhighpressurefeedwaterheater.