davefitz,
Thanks for pointing this out. I was just about seek further advice because my interest in these materials stretches beyond what metengr is saying and which holds truth for majority of cases.
I am not a materials expert but after reading some reports about failures with P11 welded pipe...
ijzer,
What is the exact name of the publication by ASTM from which you read the data for SA-387 Gr11? Perhaps I could order a copy from somewhere if it is still available?
I also need the same data for SA-335 P11?
metengr,
The site you have mentioned is full of useful information and it is...
Does anybody have stress data for creep rate 0.01%/1000hr for SA-387 Gr11 at 500degC and 390degC? Is this kind of material data available anywhere on the web?
Regards
Misa