Gentelmen,
I'm back with another issue, We are building a HRSG type boiler. My drawings supplied by the designer call the Interconnecting pipe, which connect the HP, IP, LP, drums to the internal modules as Section 1 Boiler Proper. My AI is calling this same piping Section 1/B31.1 wich...
Gentlmen,
I am reviewing or specs for the feed water system(discharge), and have a common practice question. According to our contract specifications we are required to assit the owner in recognizing areas or systems that normally require NDT, even if not specified by code.(@owners request) My...
I need to qualify a welding procedure for P1 to P4. The Material grades are as follows; SA 335 P11 to SA 106 Grade B. I am thinking the filler metas should be ER80S2 root&hotpass & E8018B2 remainder. Is this the best filler metal for this weld, and are there any negatives.
I am in the process of using localized Preheat on a non pressure attachment weld. I am using a manual log to record temp every 15 minutes, until weld is complete. The material is SA 335 P91 9 chrome. This is a pipe support weld, from dummy leg to base plate. I am pretty sure this is a non...
