... ,316,316L. 3.CNC lathe process. 4.API&ISO certification. ANSI ss304/316 equal socket.As the professional stainless steel pipe ... fittings manufacturer, we can produce Stainless steel valves, pipe fitting, quick coupling, sanitary union, machinery parts,90 degree ... ,304L,316,316L,301,430ETCSize1/8”-4”Design drawings: Samples: ANSI ss304/316 equal socket.