... 860 WPHY52 5)API,ISO,CE,etc elbow 90degree L.R.ASTM 860 WPHY52 STD size10" sizeSeamless:from 1/2" ... :2008 ,ISO 14001 OHSAS18001 , API ,etcpackingin wooden cases, pallets,or as for clients'requirementsapplicationPetroleum, chemical, machinery, electric power,shipbuilding, papermaking, construction ... Super living inspection,Magentic particle inspection,etc elbow 90degree L.R.ASTM 860 WPHY52 STD size10"