... , A403 WP304, 304L, 316, 316L, 310, etc. 6. Flange Executive Standards: ANSI/ASME B16.5, DIN, JIS, GB, ASTM, JB, API 7. Tee Surface ... requirement item standard No. size PN Type Material 1 ANSI B16.5 1/2"--24" 150-2500LBS BL,SO,SW,LJ,WN ... -600LBS SO,WN A105, A350LF2,A182 F304/F304L,F316/F316L 5 ANSI B16.47 B(API605) 26"--60" 75--900LBS BL,WN ...