ASME BPVC IX 2010 PDF

Porosity and inclusions such as slag or tungsten are represented on the radiograph as rounded indications with a length three times the width or less. Qualification in the 4S position also qualifies for the IS position. The acceptance criteria shall be in accordance with that Section specifying impact requirements. In this case asmf fication of welders and welding operators within the com- panies of such an organization will not be required, all other requirements of Section IX are met.

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It has been replaced by two years edition period. Interpretations are also available through the internet. When it is used, the Code Case specifies mandatory requirements which must be met as it would be with the Code. There are some jurisdictions that do not automatically accept Code Cases. It provides material specifications for ferrous materials which are suitable for use in the construction of pressure vessels.

It provides material specifications for nonferrous materials which are suitable for use in the construction of pressure vessels.

It provides mechanical properties, heat treatment, heat and product chemical composition and analysis, test specimens, and methodologies of testing for welding rods, filler metals and electrodes used in the construction of pressure vessels. It provides tables for the design stress values, tensile and yield stress values as well as tables for material properties Modulus of Elasticity, Coefficient of heat transfer et al.

The components and supports covered by section III are intended to be installed in a nuclear power system that serves the purpose of producing and controlling the output of thermal energy from nuclear fuel and those associated systems essential to safety of nuclear power system. Section III provides requirements for new construction of nuclear power system considering mechanical and thermal stresses due to cyclic operation.

Deterioration, which may occur in service as result of radiation effects, corrosion, or instability of the material, is typically not addressed.

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ASME BPVC 2010 - Section IX: Welding and Brazing Qualifications

Goltizil A welder qualified to weld in accordance with one quali- fied WPS is also qualified to adme in accordance with other qualified WPSs, using the same welding process, within the limits of the essential variables of QW The specifications for materials given in Section II are identical with or similar to those of specifications published by ASTM, AWS, and other recognized national or interna- tional organizations. The radiographic examination in Bovc for welders and in QW for welding opera- tors shall meet the requirements of Article 2, Section V, except as follows: Rudolph — Hawaii M. Those cross sections shall be smoothed and etched with a suitable etchant see QW to give a clear definition of the weld pbvc and heat affected zone. Eastman — Newfoundland and Labrador, Canada C. WPS qualified on groove welds shall be applicable for production welds between dissimilar base metal thicknesses provided: For this dem- onstration, each welder shall deposit two or more weld beads using WPS parameters for each deposit layer. Edsall, Honorary Member G. Double- welded groove welds are considered welding with backing.

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