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  1. DDefoe

    Oil & Gas vs Mining - the right move early

    Hi, I'll try be brief but it's complicated - apologies. I'm a piping/mechanical grad, and after my first 9 months of largely twiddling my thumbs I was seconded to a client's office in a maintenance/modifications role for an offshore facility. The role I filled was that of a senior mechanical...
  2. DDefoe

    ASTM designation for Super Duplex bolting?

    Hi all Is there an ASTM designation that deals with Super Duplex bolting? For a particular service, our pipe spec calls for super duplex bolting on flanged connections, and refers correctly to UNS 32760; however it then refers to A790 which is seamless and welded pipe (obviously not correct...
  3. DDefoe

    JIS flange types?

    Hi all, I'm not exactly that schooled in piping (I'm a recent mech. eng. graduate), and was wondering if anyone could tell me the difference between the following two flange types: - Slip on hub - Slip on plain It concerns JIS schedule piping, if this makes a difference.

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