... steel tee, alloy steel teeASTM A234 WPB,ASTM A420 WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN St37, ... .8,St.35.8/IASTM A333 GR.6,ASTM A860 WPHY 70, WPHY 65, WPHY 60, ... ASTM A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, A403 WP321ASTM A182 F 304, 304L,316, 316L,904LASTM A234 WP12, A234 WP11, A234 WP22, A234 WP5, A234 ... , machinery manufacturing, shipping industry etc astm a234 wpb equal tee