elbow 1.Certification:ISO 9001:2000 2.GALVANIZED;BLACK. 3.BEANED;BANDED. 4.BS EN10242;DIN EN10242 elbowsuitable for pressure Max1.6Mpa,temperature Max200°C,and for pipeline holding water,oil,gas,etc.(Black)Painting,Galvanized,Elctro-plating.standardsCompany Stand:Q/T M05-2006(partially based on JIS B2301)GB/T3287-2000ISO5922/ISO49/ISO7-1BS EN 1562:1997Mechanical PropertiesTensile Strength≥330Mpa, ...