@EdStainless,
Yes, indeed what you mentioned is the trick. We could get them passed by doing precise expansion, inside out pattern over the tubesheet. Larger ligament and smaller holes would help, too.
@SnTMan,
We had a couple of meetings today and as a result I know that there are other companies who roll the 90/10CuNi tube inside 90/10CuNi tubesheet and it works properly. Also, I learnt that folks use clad for thick tubesheets, probably because of the cost.
@MJCronin,
The welding is...
Hello all,
Our company is about to receive a project for marine application condensers. We are at the R&D stage but can't figure out the best way to seal the tubes and tubesheet joints. Here are the information about the tube and tubesheets,
Copper-Nickel tubesheet (SB-171 70600) with two...