... tee, stainless steel tee, alloy steel teeASTM A234 WPB,ASTM A420 WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN St37, St45.8, St52 ... A182 F 304, 304L,316, 316L,904LASTM A234 WP12, A234 WP11, A234 WP22, A234 WP5, A234 WP9A420 WPL8, A420 WPL9ASTM A335 P5, P9, ... Taishouxing has professionally manufactured pipe fittings like elbows, tees, reducers, caps, flanges and sold steel pipes and so on for ...