... SCH. 160S, #2500 , A 182 F 316 H ASME B 16.5 Type: Slip-on Flange, Socket Welding Flange, Blind ... a). Carbon Steel: STANDARD: ASTM/ASME A105; A350; A694.b). Stainless Steel: STANDARD: ASTM/ASME A182, 316 and so on ... .c). Alloy Steel: STANDARD: ASTM/ASME A182 F1, F5 ... B16.5;26-60", ANSI B16.47, Series A & B;Spectacle Blind: ANSI B16.48... FLANGE BW, BE, SCH. ...