... steel flange asme size: from 1/2''_80'' standard:ASME material: stainless qualification: ISO9001 standard stainless steel flange 1/2 ... " to 24" ASME B16.526"to 80" ASME B16.47TypeWN, SW, FF, PL, BL ... , F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, A182 F12 ...