flanges Wide reinforce bands provide extra strength at stress points. Sharp clean threads accurately cut and carefully inspected to simplify piping make up. Deep, true welding sockets are accurately bored to align inner surface with pipe and provide proper slip fit. Standard range of products available in C.S. (Astm A105), stainless steel (ASTM A182), Alloy steel (A182), nace (Mr0175), Nickel alloys (ASTM B366). Dimensions are ANSI B16. 11, MSS Sp97 & BS 3799. Threading as per ANSI B1.20.1. other products include reducing outlet fittings, inserts, pipe nipples & elbowlets.