steel tube Size:1/4"-32" * SCH10-SCHXXS Standard:DIN,JIS,ASTM,ASME,API Certification:API/ISO9000 12 inch sch100 jis standard steel ... pipe Type steel pipePipe Size1/2"—48" (DN15-1200) ... , cold galvanized, 3PE,etc.PackagePlastic caps on both ends, Steel bundle, Woven bag or acc. to customers' requestCertificateISO9001:2008, ...