1. diversity of size 2. F316, F51,35CrMo, 36CrNiMo4 and so on 3. Heat ... . A105 Q235 Forged Carbon Steel Flange 2. Material:CS 3. Size:1/2"-48" 4. Pressure:150#-2500# 5. Certificate:ISO9001 ... ,DIN.ANSI/ASTM /API,NF,GOST,EN,ISO and Non standard,4. Size:1/2"-48"5. Type:Slip-on flanges, Blind ...