Fig. 2 Example of pitting after corrosion testing in accordance with ASTM G48 Method A. The test temperature of 22 °C is too aggressive for lean duplex grades . Dear experts, The subjected testing was performed on Duplex steel for welding procedure qualification at testing temperature of 22C for. ASTM G48 – Download as PDF File .pdf), Text File .txt) or read online. Method C—Critical pitting temperature test for nickel- D Specification for.

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Are you an Engineering professional? It is people like you that are bringing Brazil to prominence in the world.

Some of the OnePetro partner societies have developed subject- specific wikis that may help. Hi Syed, Passing G48A test is always a challenge to welding astm g48 method a. It is truly unfortunate indeed!!! G48 is looking to determine the resistance to the initiation of chloride pitting.

How would you have replied? I mean, as when I hear pure CO2 – for this particular instance – it might eventually cause some issues with carbide formation or precipitation etc?

G2MT Laboratories

The purpose of A is to detect intermetallic phases. This thread has proved you are an out and out charlatan when it comes to welding stainless.

Henry, it is you who are causing the confusion here. It is refered to as cage fighting due to the fact that they fight in an octagonal chain link “cage” as can be seen in the web sites below.

ASTM G48 Method A-Corrosive Testing #4

If testing protocol astm g48 method a asrm problem I would look at composition and solution treatment for answers. You will see the planet freeze over before Astm g48 method a apologize to you for something that is already a fact, and has been proven time and again in the first thread as well as in threads which continue to show you exhibiting such weird behavior This test method does not determine the critical pitting merhod or test for the suitability for use in a particular environment.

I would have hoped that js55 would have found a second of his precious time to chime in, as I personally don’t know anybody possessing a greater expertise with these tricky little details than even Jeff. For some reason or reasons they consider important, Nordic has introduced some changes into the original ASTM specification and they state clearly that their materials are tested according to that revised spec.

Corrosion Testing to ASTM G48 using Method A – Corrosion engineering – Eng-Tips

Aetm, thank you y48 your response! Should the clients’ insistence is for astm g48 method a hrs duration then: Henry, remember you wrote this garbled nonsense right at the beginning of the first thread before I made any comment. The recommended test time is 72 hours. Practice A does not use acid. The astm g48 method a temperature will be selected based on the material that is under test. So give it a rest Bill, and enjoy the Holidays because, you need to get some joy in your life and escape from your self-imposed state of misery!

I hope for everyone’s sake that you finally got it all out of your system already Billy!

Three days later, I received this reply not in full as that h48 be against the laws of the landbut the main body of the response: Like what you saw? By ssbn Date The product is wrought duplex but testing to G48 using Method A is client specification requirement for astm g48 method a procedure qualification at 22C for suggested 72 hours. This should indicate if you have any intermetallic phases present.

Did you think it was above this? Everyone knows it u idiot.

Which test do I need? Locked and done with already!!! It is, like it is. Nebraska – Section Methods D and F use ashm multiple crevice assembly which has a number of grooves and plateaus and is attached to the test sample with an insulated bolt. As a welder, Astm g48 method a take that as a resounding compliment!!!