... .9, ASME B16.11, ASME B16.5,ASME 16.28; JIS B2311,JIS B2312,JIS B2313,JIS B2316 ... and seamless);1/8''-4''(Threaded and socket-welding);16''~72''(Welded)Wall thicknessSCH10,SCH20,SCH30,STD,SCH40,SCH60 ... tee, alloy steel teeASTM A234 WPB,ASTM A420 WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN St37, St45.8, ... WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, ...