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Do the postweld heat treatment exemptions for circumferential butt welds noted in Table PW-39-3 apply to the welds illustrated by Figure PW-16.1, illustration (a)? Thank you in advance

Hi everyone, I was caculating a minimum wall thickness for half coupling fitting NPS 11/2, but B16.11-2011 said that "Within these limits, the minimum wall thickness for pipe to be used with a Table 7 Class designated fitting shall be computed based on appropriate size straight seamless pipe of...

I designed a vessel with B16.9 pipe cap as head. B16.9 said that the shape of these caps shall be ellipsoidal and shall conform to the requirements given in the ASME Boiler and Pressure Vessel Code. Which elliptical ratio should be indicate in MDR? thkx .

Hi everyone, A question was raised as current range value was specified in PQR when make tube to tubesheet qualification as per QW-288. When I reviewed WPS for tube to tubesheet at shop found that a curent range value(235~300 A) was specified in WPS, alike a current range value (260~275 A)...

Hi everyone, A question was raised as current range value was specified in PQR when make tube to tubesheet qualification as per QW-288. When I reviewed WPS for tube to tubesheet at shop found that a curent range value(235~300 A) was specified in WPS, alike a current range value (260~275 A)...

Are impact tests required on austenitic ferritic duplex steel,as attachment bracket plate of leg which essential to the structural integrity when weld to preesure part,when the MDMT is +32°F or colder, and the thickness limit of UHA-51(d)(3)(a) in Section VIII, Division 1 is exceeded? thks !

Hi Everyone, I have a lots of fittings SA-105,which with same heat number, same class and manufacturer, only different is size. where coded marking be use, UG-77(a) requires the transfer of "the original identification markings required in the specifications for the material,is it acceptable to...

Hi Everyone, Is it mandatory to ASME V T-223 which place a lead letter "B" to back of film holder while performed an XRay? THKS!

Is it permit to perform an XRay examination on welds of vessel or boiler before PWHT? I do appreciated in advance.

Hi everyone, ASME 2011A section II-D table 1A, General Notes(e) said that Stress values for −30°C to 40°C are applicable for colder temperatures when the toughness requirements of Section III, VIII, or XII are met. If impact test is exempted per ucs-66,ASME SECTION VIII-1, is't need still to do...