ANSI ASTM B16.5 A105 flange: 1.Certificate:ISO 9001:2000 2.ANSI ASTM flange ... , 4.Size:1/2"--48" flange ANSI ASTM B16.5 A105 flange 1. Standards:ANSI, ASME,DIN,JPI,JIS,BS,AS ... ,300,600,900PN6, PN10, PN16, PN25, PN404. Material:Carbon Steel:A105, Q235, SS400, RST37.2, C22.8Stainless Steel: 316L, 316Ti, 304L ...