... : 1/2"~60", ANSI, DIN,JIS,BS,GB Carbon Steel Flange,Forged Carbon Steel Flanges, Forged DIN FlangesStandard:ASTM A182, A105, ANSI B16.5, B16 ... Flange,Socket Welding Flange, Blind Flange, Orifice Flange,Ring Joint Flanges, Long Welding Neck Flange, Figure 8 Blanks Standard:BS 4504 ... 48"NB STANDARD:JIS Flanges PRESSURE GRADE:5K 10K 16K 20K 30K SIZE:DN10~DN1500 MATERIAL: Carbon Steel:ASTM A105, ASTM A350 ...