(ii) Taper threads has to be of a duration not a lot less than that specified for American Conventional taper pipe threads.
(iii) For the purpose of pressure measurement, the initial pressure has to be established while the specimen is less than a worry of twelve,000 psi and also the pressure indicator reading remaining set at the calculated corresponding pressure.
(3) A plugged cylinder is a single where a lasting closure in the bottom of a concluded cylinder continues to be effected by a plug.
This examination may be made use of and must be as essential by CGA C-three. The specimen should be bent until eventually the elongation within the outer area, adjacent to the basis of your weld, involving the evenly scribed gauge lines a to b, has to be at least 20 p.c, apart from that this percentage may very well be diminished for steels possessing a tensile power in surplus of fifty,000 psig, as furnished in paragraph (k) of this area.
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Substance have to be identified by any appropriate system apart from that plates and billets for hotdrawn cylinders has to be marked with the warmth number.
(b) Structure qualification testing need to be completed if the look is manufactured having a new mold or if there is any alter inside the Houses of the material of construction.
(1) All seams in the cylinder need to be fusion welded. A means need to be delivered for carrying out total penetration in the joint. Only butt or joggle butt joints to the cylinder seams are approved. All joints inside the cylinder need to have moderately legitimate alignment.
One particular container taken at random out of two hundred or fewer have to be hydrostatically analyzed to destruction. Rupture force need to be involved as Section of the inspector's report.
A specimen need to be Minimize from a single cylinder of each and every number of two hundred or fewer, or possibly a welded check plate. The welded exam plate need to be of one of the heats inside the number of 200 or much less which it represents, in exactly the same ailment and around a similar thickness since the cylinder wall except that it might not be of the lesser thickness than that essential for 1 / 4 dimensions Charpy affect specimen. The weld have to be made by the same methods website and subjected to the identical warmth therapy as the foremost weld on the cylinder.
(iv) A brass fitting could be brazed to your steel boss or flange on cylinders employed as ingredient aspects of handheld hearth extinguishers.
(two) A company of a packaging subject matter to the requirements of this section is largely responsible for compliance with the requirements of the part. Even so, any person who performs a purpose prescribed in this aspect shall perform that perform in accordance with this particular part.
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usually means the person whose identify and tackle or image seems as Element of the specification markings essential by this portion or, for any packaging marked Along with the symbol of the acceptance agency, the person on whose behalf the acceptance company certifies the packaging.