To all; I am 2nd year API 510 inspector an starting a new turnaround next week. On this job I will be working the Cat structure. My past experience is towers and drums with little to no experience on the structure. Can someone point out some of the main components of the structure (3rd stage...
To all; I am 2nd year API 510 inspector an starting a new turnaround next week. On this job I will be working the structure. My past experience is towers and drums with little to no experience on the structure. Can someone point out some of the main components of the structure and the inspection...
Dose anyone know about 5% Nickel Steel used in the construction of LNG vessels? I'm working for Reliance in India on a set of Coke drums and the customer asked if we had experiences welding 5% Nickel Steel. One of their tankers caring LPG has experiences cracking and they are looking for us to...
To all: I'm taking a team of inspectors to South America to inspect a recovery boiler for corrosion. The job scope calls for complete inspection of the furnace bottom tubes and composite tube air ports. Now, my back ground is in HRSG and not recovery boilers so I'm looking for some study guides...
To all,
I am currently performing a corrosion resistant weld overlay to (6) 10' sections of shell that will later be welded together to make a 60' vessel as well as two hemispherical heads. I received the sections in 10' inc. rolled and seam welded. I considered the sections to be parts and...
My question is in regards to pipe welds inspected under the requirements of ASME Sec. VIII Div. 1 and the NBIC.
My customer tells me that a pipe weld made by our contractor has exceeded the amount of reinforcement on the ID of the pipe aloud by code (a heavy root). I asked him how he measured...
I need some help in regards to 800HT piping. Last year my company welded several joints in 800HT piping using Inco82 filler 14” SCH..312. Now about ½” from the weld toe in the HAZ the plant is experiencing t/w cracking. The system runs over 1000°f during service. My question is our PQR and WPS...
In the HRSG system will the Deaerator located in the LP section above the LP drum commonly fall under the requirements of Section I ? Or will the boundary end with the LP drum and the DA be considered as an attachment?
I need to resurface the face of a custom made 14” 1500lb. flange. The flange is flat face; with additional thickness add to account for warping after welding. The flange face surface was not welded only the external and internal fillet weld to the pipe “ Slip-on” The customer is un sure of a...
In regards to the fabrication of a vessel, my question is. Can a fabrication shop that has an ASME QA program with welders tested under the requirements listed in Sec. IX fabricate parts of a vessel without an ASME code stamp then send the parts to an ASME code stamp holding shop for completion...
Can anyone explain in detail the pros and cons of welding and P5A to P5B joint with ER90S B3? I know the age old thought is to weld this joint with ER90S B9 but I think engineering studies has proven that the B3 wire works more efficiently.
My question comes from the table 136.4 of ASME B31.1, under the heading for x-ray requirements “Temperatures between 350f and 750f inclusive with all pressures over 1025, does this imply All temperatures with a pressure over 1025 will x-ray ‘providing the requirements are met” or only...
Wednesday the 23rd., I start my CWI prep. course. I have dodged this for the past 9 years. 9 years ago I tested and received a CAWI and was vary discouraged, however I had very little training and was only 23 years old! It did not take me long to realize I was in over my head. Today, I have been...
My question regards ASME Sec I and B31.1 BEP data reports. I am a QA manager for an {S} stamp holding company. We have welded attachments to a B31.1 BEP header on an HRSG that will fall under the Sec I hydro. Seeing how this is B31.1 the HRSG manufactory did not supply a P4 for this header...
