... pipe Size:1/2''-72'' Specification:73*5.16 Certification:API Product:API 5l x46 steel pipeSize:1/2''-72'' Specification:73 ... APIType:seamlessThickness: 2.77-59.54mmSection shape: RoundOuter diameter: 33.4-610.00Alloy or not: Is alloySecondary or not: Non-secondaryPlace ... SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS.4)Usage:Structure,use,water,transport,building,machinery,traffic,aviation, ...