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Good day all If I have a fretting situation between SA182 F50 duplex and A106 B carbon materials. which of thee 2 material is going to erode. in other words, which has the better ware resistance when put up against each other?

Good day all We have received a new Fin cooler unit from the manufacturer in Malaysia and as part of the receiving inspection we did borescope inspection on some of the tubes and found this red powder. Cooler was delivered with nitrogen under positive pressure. Could it be a corrosion inhibitor...

No we will not do PWHT more than once. Just concerned if the current from welding on butt will affect the recorder that is being used to monitor the PWHT on another Butt on the same line

In my opinion these materials should be rejected if there is no traceability between the actual material and the MTC. There will be no way for you to confirm that the actual material conforms to the material specification to which it was manufactured. Some tests that may have been required by...

Is it at all possible for the electrical current induced during welding to affect the PWHT recorder / Chart if you weld one butt while doing PWHT on the same line. Say about 6 feet away? My PWHT contractor has stated that this may be a problem. I myself have never heard of this being an issue.

Is it at all possible for the electrical current induced during welding to affect the PWHT recorder / Chart if you weld one butt while doing PWHT on another butt on the same line. Say about 6 feet away? My PWHT contractor has stated that this may be a problem. I myself have never heard of this...

Good day all A Vendor of ours has built an ASME 8 Div.1 pressure vessel for a refrigeration package. The vessel will be used in ammonia service and is fabricated of SA516 Gr 70 material 12.7mm thick. Due to fabrication errors the vessel has been PWHT 3 x and now there are no cycles left. The...

Good day all A Vendor of ours has built an ASME 8 Div.1 pressure vessel for a refrigeration package. The vessel will be used in ammonia service and is fabricated of SA516 Gr 70 material 12.7mm thick. Due to fabrication errors the vessel has been PWHT 3 x and now there are no cycles left. The...