Hey Sir/Madam,
When manufacturing at shop, we detected that have one case as bellow:
Item Header in Boiler has some noted:
- Bent stub SA213 T91. Post bend heat treatment Temp. range: 745~775 degree C
- Pipe SA335 P22 + Stub SA213 T91. As WPS Post weld heat treatment temp. range: 720~740
- Pipe...
Dear Sir/Madam!
Thank you for listening my question!
In my shop floor have conducted 1 weld joint as:
Pipe (A672-C60 CL12) + Elbow (A234-WPBW)
Filer metal: ER70S-6 2.4
We conducted PMI for this weld, result as picture
Because Cacbon steel, so when PMI is appeared Fe & Mn composition
I want to...
