Our A105 Flange ANSI B16.5 are meant for non-critical conditions, as they have a low Carbon content. We have largest ready stock of Carbon Steel ASTM A105 Flange such as Weld Neck, Slip On, Socket Weld, A105N Orifice, Blind, Spectacle Blind Flanges, Ring Type Joint Flanges (RTJ) , Screwed / Threaded Flanges, and CS A105 Reducing Flanges, etc.