GB-3087-低中压锅炉用无缝钢管1999英文版

Seamless steel tubes for low and medium pressureGB3087-19991.ScopeThis standard stipulates the size,outline,weight,technicalrequirement,test method,inspection rule,package,mark and qualitycertificate of seamless steel tube for LP/IP boiler.This standard is applicable to hot rolling (extruding,expanding)andcold drawing (rolling)seamless steel tube from quality carbonstructure steel used for LP/IP boiler and locomotive boiler.2.Applicable standardThe following standards constitute a part of this standard.All thesestandards shall be of valid edition while issuing this standard.Anystandard could be revised.So the possibility to use the latest edition offollowing standards should be discussed by all parties using thisstandard.GB/T222-1984Sampling method used for chemical analysis ofsteel and the allowable deviation for finished products chemicalcompositionGB/T223.5-1997Chemical analysis method of iron,steel andalloy The determination of acid-soluble silicon content by reductionsilicomolybdate photometric methodGB/T223.12-1991Chemical analysis method of iron,steel and