Product:API 5l x46 steel pipe Size:1/2''-72'' Specification:73*5.16 Certification:API Product:API 5l x46 steel pipeSize:1/2 ... the formal order. Specifications:1)Standard:ANSI,ASTM,API,DIN,GB,JIS.2)Material:A10GrA,B,A53, ... :Structure,use,water,transport,building,machinery,traffic,aviation,oil development ect.5)Tensile strength:390MPA.6)Length ... early reply will be highly appreciated API 5l x46 steel pipe