... , the design make it easy to align the bolt holes when attaching to a mating standard flange. For ... subsea applications, this capability is important when align and ... materials are available in ASTM A105, A694 F52 to F65, A350 LF2, AISI 4130, and A182 F51 ... and applicable sections of the flange specification to which it will mate. Finite element analysis: ...