(i) The remaining cylinders in Each and every ton has to be examined via the proof force, water-jacket, or direct growth exam approach as prescribed in CGA C-one. The minimal take a look at pressure has to be preserved for the precise timeframe and also the testing devices should be calibrated as prescribed in CGA C-1.
The material have to be discovered by any ideal process apart from that plates and billets For decent-drawn cylinders should be marked with the warmth quantity.
The finished cylinders need to be uniformly and properly heated previous to checks. Heat procedure from the cylinders of your approved Evaluation should be as follows:
Reheat remedy is licensed for rejected cylinders. Subsequent thereto, cylinders should move all prescribed checks to become appropriate. Repair service by welding or spinning just isn't licensed.
Restore of welded seams by welding ahead of approach therapy is approved. Subsequent thereto, containers must be warmth handled and go all prescribed checks.
(ii) For the “extension beneath load” process, the whole strain (or extension under load) corresponding to the worry at which the 0.2 percent long term strain occurs could possibly be determined with sufficient precision by calculating the elastic extension of your gage duration underneath acceptable load and incorporating thereto 0.
Attachments to the container are approved by fusion welding delivered that this kind of attachments are created of weldable chrome steel in accordance with paragraph (b) of this area.
(i) The remaining cylinders from the lot has to be examined via the proof stress, drinking water-jacket, or immediate expansion examination process as prescribed in CGA C-1. The minimal check strain have to be preserved for the precise timeframe and the testing tools should be calibrated as prescribed in CGA C-one.
(3) Without cost standing cylinders, the base thickness has to be at least two times the minimal wall thickness alongside the road of Call in between the cylinder base and the floor when the cylinders are while in the vertical posture.
The minimum wall thickness need to be these the wall strain for read more the bare minimum specified check tension won't exceed 67 percent of your least tensile power from the metal as determined by the Actual physical assessments needed in paragraphs (j) and (k) of the area.
Content need to be recognized by any ideal technique except that plates and billets for hot-drawn cylinders must be marked with the heat amount.
(2) The inspector should verify ultrasonic inspection of all materials by inspection or by obtaining the fabric producer's certificate of ultrasonic inspection. Ultrasonic inspection needs to be done or verified as having been done in accordance with paragraph (b)(5) of the segment.
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(ii) The filling substance has to be uniform in good quality and freed from voids, apart from that a nicely drilled in the filling material beneath the valve is licensed if the very well is filled with a cloth of these kind the features in the filling material aren't impaired;