meteng.
I am still in question on this scenario...
Would it be acceptable to perform the WPQ for the referenced production application utilizing sch. 80, 2"nps and the 1/2"nps coupons instead of the way I qualified him with the three 1/2" coupons? The result being the welder is qualified for...
B31.3 code
Reviewing my PQR lab results I have some concern in regards to the hardness results in the P5A HAZ. The highest Vickers(HV) reading was 284 this is with no PWHT being performed. I referred to the toughness test results and referenced B31.3 to which they are acceptable.
I selected...
Thank you meteng!
Would it make sense to have the impacts to qualify this PQR for future WPS's? I believe once this PQR is qualified it will be good for welding each P-number to itself as well, just trying to maximize the PQR for alternative applications down the road?
Again, thank you for...
The application this will be used for in the field is a steam line with a design temp of 869F and design pressure of 769 psig. The weld's are open butt on 1/2" diameter SA-335 P-11 to SA-312(316)both having a wall thickness of 0.147" The engineering spec requires that max hardness not exceed...
