1.With beveled end and black antirust paint 2.API,CE,ISO certificate. 3. ... /threaded tee, SW/socket weld tee, seamless teeStandardASME B16.9, ASME B16.11, ASME B16.5,ASME 16.28; JIS B2311,JIS B2312,JIS ... .4,St.35.8,St.35.8/IASTM A333 GR.6,ASTM A860 WPHY 70, WPHY 65, WPHY 60, WPHY 52 ...