... teeStandardASME B16.9, ASME B16.11, ASME B16.5,ASME 16.28; JIS B2311,JIS B2312,JIS B2313 ... steel tee, alloy steel teeASTM A234 WPB,ASTM A420 WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN ... F 304, 304L,316, 316L,904LASTM A234 WP12, A234 WP11, A234 WP22, A234 WP5, A234 WP9A420 WPL8, A420 WPL9ASTM A335 P5, P9 ... construction, machinery manufacturing, shipping industry etc astm a234 wpb equal tee