ANSI B16.5 Flanges socket weld 1.Size: 1/2-48 inch 2.Material: carbon ... , stainless steel 3.Standard: ANSI, JIS, DIN, Stainless steel flanges socket weldANSI B16.5 FlangesWe are Factory Outlet & Offer OEM Service100 ... ,UNI,GOST12820-805.Types: plate, slip on, welding neck, blind, thread, socket weld flange6.Process: free forging, plate cutting, heat treat, machining7 ...