... .High mechanial strength, 3.OEM service offered, 4.ANSI, ASME large diameter forged flange 1. Standards: ANSI, ASME,DIN,JPI,JIS ... :Class 150,300,600,900PN6, PN10, PN16, PN25, PN40 4. Material:Carbon Steel:A105, Q235, SS400, RST37.2, C22.8Stainless Steel ...