... WT:5-80mm Length:5.8m,random length Application:structure pipe,drill pipe API 5L GrB stainless steel pipeOD:13.7-1220mmWT ... -80mmLength:5.8m,6m,12m,random lengthApplication:structure pipe,drill pipe,gas/oil pipe,dyraulic pipe etc.Surface Treatment:varnish,3lpe coating,galvanizedAPI,PED ... or as buyer's requirement API 5L GrB stainless steel pipe,API,PED,ISO certificate,ASME B36.10 DRL