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(1) A spun cylinder is one wherein an conclude closure within the concluded cylinder has actually been welded with the spinning procedure.

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imply the packaging identification markings expected by this component like, where applicable, the title and handle or symbol from the packaging maker or acceptance company.

(iii) For the objective of pressure measurement, the First pressure reference needs to be set although the specimen is underneath a worry of 12,000 psi as well as the pressure indicator examining becoming set with the calculated corresponding pressure.

Materials must be identified by any suitable technique besides that plates and billets for hot-drawn cylinders should be marked with the heat selection.

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One container taken at random from two hundred or much less should be hydrostatically analyzed to destruction. The rupture tension needs to be integrated as A part of the inspector's report.

(iii) Just about every ligament which separates two openings must be a minimum of 3 times the normal with the diameters of The 2 openings.

(iii) For the purpose of strain measurement, the First pressure must be set even though the specimen is less than a stress of 12,000 psi as well as the pressure indicator reading getting established for the calculated corresponding pressure.

(iv) All straight threads will need to have not less than 6 engaged threads, a good healthy, and an element of safety in shear of at check here the least ten within the check strain with the cylinder. Shear worry must be calculated by utilizing the suitable thread shear place in accordance with NBS Handbook H-28.

The finished cylinders should be uniformly and effectively heated just before exams. Heat therapy from the cylinders from the authorized analysis must be as follows:

(3) As a safety precaution, If your producer elects to make this exam before the hydrostatic take a look at, the producer should really layout the test equipment so the tension is applied to the smallest area practicable, round the stage of closure, and to be able to use the smallest doable quantity of air or gas.

Two take a look at specimens Slash from a person cylinder representing Just about every lots of two hundred cylinders or significantly less needs to be subjected on the mechanical Qualities exam, as follows:

A single cylinder taken at random out of each wide range of cylinders has to be hydrostatically analyzed to destruction.