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I have to reply to one check list. Might someone help me to reply to the following question: "What document does ASME VIII require for a two pieces head that was weld fabricated by another company?" To which para. of ASME VIII is clearly indicated? Best regards VFD

I need kindly the following clarification on the subject API: 1. What API grade uses SR12? 2. What is the basic purpose of SR12? Best regards VFD / Italy

We have ordered boltings in L7 ASTM A320 but with an impact test at minus 20°C instead of standard minus 101°C because minus 20°C is our intended service temperature. We do not know: 1. what would be the stamping of the pieces? 2. what must be written on the materail certificate as to...

I need to carry out a drift test to verify the minimum ID clearance (parlicurarly in the bended portion of U-Tube bundle)by pulling a mandrel (ball) of known size through a lenght of heat exchanger tube. The question is that I do not know the formula to be used for the determination of the size...

Does anyone know the meaning or definition of the following terms: - Separate test block or forging - Separate forges test blank - Custom-made forgings Thanks FDV

Forged ordered according to ASTM A105 and ASTM A350. I have to establish if it is sufficient the sampling for mechanical testing taken from one separate forged test blanks valid for Blind and Welding neck flanges 32" – 300 lb (normalised) or are necessary two different test blanks. The doubt...

Thank you MarlaMike. But the doubt is if the 32" size Blind Flange and 32" Welding Neck flange 300lb have the same hot working and reduction as to consent to take sampling for mech. test. from unique test blank. VFD

Thank you MarlaMike. But the doubt is if the 32" size Blind Flange and 32" Welding Neck flange 300lb have the same hot working and reduction as to consent to take sampling for mech. test. from unique test blank.

Some studies have demonstrated that about 40% of Main Flanges in ASTM A105, despite the certificates, have not been treated properly after forging and that the transition temperature, with a mean impact toughness, of 27J is about + 20°C. The question is how is possible that ANSI/ASME B16.34...

I have to establish if it is sufficient the sampling for mechanical testing taken from one separate forged test blanks only valid for Blind and Welding neck flanges 32" or are necessary two different test blanks. Forged ordered according to ASTM A105 and ASTM A350. In case are necessary two...

Some studies have demonstrated that about 40% of Main Flanges in ASTM A105, despite the certificates, have not been treated properly after forging and that the transition temperature, with a mean impact toughness, of 27J is about + 20°C. The question is how is possible that ANSI/ASME B16.34...

I have to establish if it is sufficient the sampling for mechanical testing taken from one separate forged test blanks only valid for Blind and Welding neck flanges 32" or are necessary two different test blanks. Forged ordered according to ASTM A105 and ASTM A350. In case are necessary two...