1,standard JIS 10K flange sizes 2,Material: Stainless Steel 3,Standard:ASME,DIN,BS,JIS,JB,GB, ( ... 1) Flanges Type: Platetype Flat Welding Flange, Butt Welding ... Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2) ...