I found, inside the steam drums, one crick for about 80% around the welding of two side downcomer.

The materials are:

steam drums MARREL AM 60
piping A105 diameter 460 mm

I want to know the cause for this problem.

Can somebody help me?

by

Do somebody know the steam drums material MARREL AM60?

Can you give me the chemical compositions and mechanical data?


It's my first time in this site..

Thank you in advance

by

paolo