Sorry for the long subject title.
I have a vessel that will require PWHT. We we're going to use a current Sub-Arc wire/Flux WPS with a classification of F7A2EM12K. We ran a PQR, PWHT the coupon and the coupon passed with no issues using the wire classified as F7A2-EM12K.
Would I simply classify...
Hello I have a question regarding the AWS qualification of a flux-wire combination and PWHT of the welding procedure. We are having difficulty finding an SAW flux-wire combination to weld a material for which Section VIII-Div-1 does not require PWHT but the end user insists on having the...
Hello I have a question regarding the AWS qualification of a flux-wire combination and PWHT. We are having difficulty finding an SAW flux-wire combination to weld a material that our client want's to have a welding procedure that is PWHT. In Section VIII-Div 1 this material does not require...
Thanks prex for the comment. I refered to Fig UW-16.1(i) because this is how the nozzle is welded into the head. The OD of the flange is welded into the head. This is a common practice in the LPG industry. I think that you are correct in your assessment and this is what I explained to the AI. I...
The manway is cut from 2.5" plate x 16" ID x 21" OD SA516-70 and is welded to a 109"OD tank, in the center of the head. There is not welded seam because it is cut ID/OD in the plate. The ring is welded in the head and forms a category D joint. So the nozzle is the plate and a bolt pattern and...
An Authorized Inspection Agency is telling me that when welding openings manufactured from plate (in this case SA516-70 manway into an LPG storage tank) directly to the vessel shell or head per Figure UW-16.1(i) that act as a integrally reinforced opening that is calculated as an optional type...
One of the best places to learn about the diffent Codes of the ASME is ABSA. They usally have seminars throughout the year. Since they are also a Jurisdiction (Alberta) they can provide you with very specific information about iisues that may concern you.
gbuck.