... ASTM,ASME,API Certification:API/ISO9000 12 inch sch100 jis standard steel pipe Type steel pipePipe Size1/2"—48" ( ... DIN, JIS standard thicknessLengthFixed: 3.0 , 5.8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Random ... ,X52,X60, X65ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4STP G38 ... galvanized, 3PE,etc.PackagePlastic caps on both ends, Steel bundle, Woven bag or acc. to customers' requestCertificateISO9001 ...