So I guess my all encompassing question is what determines whether a Tee or Con. Red.,which has been hot formed from seamless linepipe, is certified as either A694 F65 or say A860 or MSS SP-75 WPHY 65?
In general various codes e.g. BS4515/DNV but more often than not a change in material grade as an essential variable for welding is client spec. driven. Given what you say regarding the tee manufactured from seamless pipe is it then valid to say that the tee is dual qualified in both A694 and...
Thank you for your replies but I remain in doubt as to the validity of this.Working with welding essential variables when commonly some clients in the offshore oil industry see the material grade as being necessary to re-qualify a WPS. Therefore, when hot worked seamless pipe into Tees or Con...
My understanding with regard to forgings to ASTM A694 is that the material must undergo significant work, usually reduction of 4 to 1. However I find that some companies certify to ASTM A694, material such as seamless pipe (API 5L X52) that has been hot worked to form fittings such as equal...
