Bit of a long shot, maybe, but is anyone able to suggest a modern day equivalent to DIN17165 HII boiler plate material. The material specification is called up quite clearly on a vessel fabrication drawing circa 1967, but I have drawn a blank so far in finding any mention of this material in...
Does anyone know what "Form A" means in relation to buttress thread designations. I have a drawing dated 1992 which states that the thread provided on a shaft is 4 inch buttress thread 6 tpi form 'A'. However I can find no reference to form 'A' in Machinery's Handbook 22nd edition (which...