UNF-19(b) of Section VIII, Div. 1 states that: "Titanium or zirconium and their alloys shall not be welded to other materials."
Conservatively interpreted, this appears to mean, for example, that Gr. 2 Ti can only be welded to Gr. 2 Ti. Is this correct, or is welding between different grades...
Thank you for your guidance; I was too narrow in my interpretation of 4.2.1, it being difficult to imagine that Section VIII would abandon the requirement of butt welds at Category A and B joints. But, taken at its word, and assuming there is no controlling text I've missed, that is what it...
The intent is to design the device by the rules of Part 5.
I can not find within Part 5 any requirement to use any specific requirements of Part 4. There is mention that certain stress quantities need not be checked if Part 4 details are used, so some mixing of the procedures seems expected...
I'm confused about the requirements of Div 2, Part 4 with regards to welds, and how they fold into a design qualified by the procedures of Part 5.
Specifically: Part 4 requires a Type 1 or Type 2 butt weld at a Category B joint. Is it then true that a Part 5 design must adhere to this...