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The mill certifies the chemical analysis but the tensile test only get done after de-coiling in the beginning center and tail of the coil. The certs from the mill are written "SA-414 for conversion" because they have not completed the complete required testing. Thanks

Hello, I am in the process of looking to purchase a coil of SA414-G that would be converted to plate and used in a pressure vessel. After discussing with the mill and the decoiler, they have both proposed the following: 1) The coil manufacturer supplies the analysis of the chemical properties...

Just a wild guess direct amortization period amortization

Very interesting Patrick, I'd appreciate it if you could keep me informed of any news you hear back from your inquiry. James

Ken, I took the lack of response to mean that everyone was equally confused... My shop is in the same situation for the seismic calculations and came to the same conclusion as you. Regards James

Thank-you, For you input everyone. James

r6155, Ask questions if you need more information. These are the photo I have on hand. I don't have the vessel sitting beside my desk. Yes, we have a serious problem that needs to be fixed. The transport had a mechanical failure. The tractor trailer rolled over in the ditch. We have a good...

r6155, Would you mind elaborating on why you think this? Drivemenuts Line three, do you mean stress relieve? Thank-you

r6155 These are the only pictures I currently have. Dent is about .625 deep and 12" in diameter. The dent is unacceptable to the client. For this particular client using the acceptance criteria of the NBIC isn't an option. The tank must look like new.

Good morning, I'm trying to write a procedure for deformation (dent) repairs that will be acceptable to the NBIC and Section VIII Div 1. My plan is to gather as much information as possible and present in to our Authorized Inspector for review so that in future cases we won't be restarting an...

Hello, I'm looking for input regarding the how people are interpreting the new 2021 appendix 47. This is a preliminary draft I've written and was wondering what you folks thought. (Note I work for a div 1 company, but found the Div 2 appendix to be a much more comprehensive guide) For the...

Hello, I have a reference in my Quality manual to RC-1050 for replacement parts. A google search brings up NC-1050 in different NBIC interpretations, but I can't seem to track down the document itself. Is it obsolete? If anyone knows where I can get this document it would be appreciated...

Mequaltech In Quebec

Good morning, We are looking to build a vessel made out of SA240-316L. The MDMT would be -320deg F at 165 PSI. The restrictions of ULT are "alternative rules" per the title of the section. Due to this title our engineering dept does not see the need to apply it to our vessel, they would...

We apply UW-52 and UW-53(b).

Don't be shy to call your welding supplier. Often they are are great resources when determining filler metals. We weld A517 with SMAW 11018, that might be a good starting point if you don't need a high volume. Otherwise the Lincoln sells a ultracore 121K3C-H that might work in your application...

When doing RT we used to insert the source through a 1.25" cplg or shoot using double wall technique. We now do PAUT so this isn't a issue. If there is a repair we gouge out the weld until we get to the backing material. Then we fill it back up.

r6155 yes with backing

r6155 My understanding was more aligned with david339933. My interpretation of UG-46(a) is that if your vessel is subject to corrosion, abrasion or erosion you should allow a service access or inspection opening for cleaning and examination. The context of the paragraph leads me to believe...

Currently all our inspections are being done before closing. However we've recently bought a competitor making the same product. The other company AI does all his inspections though a single coupling hole after assembly. The new company is paying for a AI three mornings a week. Our company is...