... threaded tee, SW/socket weld tee, seamless teeStandardASME B16.9, ASME B16.11, ASME B16.5; JIS B2311,JIS B2312,JIS B2313,JIS B2316 ... , alloy steel teeASTM A234 WPB,ASTM A420 WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN St37, St45.8 ... 35.8,St.35.8/IASTM A333 GR.6,ASTM A860 WPHY 70, WPHY 65, WPHY 60, WPHY ... WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, ...