situs bar178 - An Overview
situs bar178 - An Overview
Blog Article
(i) The remaining cylinders in Every single lot have to be tested through the evidence pressure, drinking water-jacket, or direct expansion check process as prescribed in CGA C-1. The minimal test strain must be taken care of for the specific timeframe and also the testing machines need to be calibrated as prescribed in CGA C-1.
(two) Heat treatment method is just not demanded following the welding or brazing of weldable lower carbon areas to attachments of similar material that have been Earlier welded or brazed to the very best or bottom of cylinders and appropriately heat treated, delivered these subsequent welding or brazing isn't going to deliver a temperature in surplus of 400 °File in almost any Component of the best or bottom materials.
(iv) On the metal plate hooked up to the highest in the cylinder or lasting section thereof; sufficient space need to be left over the plate to provide for stamping at the very least 6 retest dates; the plate have to be not less than 1⁄16-inch thick and has to be connected by welding, or by brazing.
This take a look at may very well be utilized and should be as necessary by CGA C-3. The specimen has to be bent until finally the elongation on the outer area, adjacent to the root from the weld, between the lightly scribed gauge lines a to b, has to be a minimum of 20 %, apart from this share might be reduced for steels aquiring a tensile strength in excessive of 50,000 psig, as offered in paragraph (k) of the part.
Force-retaining resources must be determined by any appropriate method that doesn't compromise the integrity in the cylinder. Plates and billets for hotdrawn cylinders need to be marked with the warmth range.
The Office from the Federal Sign-up publishes files on behalf of Federal agencies but does not have any authority more than their programs. We endorse you instantly Speak to the company connected with the content in dilemma.
(vi) Effects examination specimens have to be cooled to the look support temperature. The equipment for website tests the specimens ought to conform to requirements of ASTM Regular E 23. The examination piece, together with the managing tongs, needs to be cooled for a period of time adequate to get to the provider temperature.
The completed containers need to be uniformly and thoroughly warmth-dealt with just before exams. Warmth-cure of containers with the authorized analysis needs to be as follows:
(3) Without spending a dime standing cylinders, The bottom thickness needs to be at least two times the minimum amount wall thickness alongside the road of Get hold of involving the cylinder base and the ground once the cylinders are while in the vertical placement.
(4) As a security precaution, if the producer elects for making this test prior to the hydrostatic check, he ought to style and design his equipment so that the stress is applied to the smallest space practicable, around the place of closure, and in order to make use of the smallest possible quantity of air or gas.
(vii) The affect Houses of each and every list of affect specimens might not be less than the values in the following table:
(two) A spun cylinder is one particular by which an conclude closure inside the finished cylinder has long been welded because of the spinning system.
(b) Each individual these types of twenty five,000 containers or considerably less, successively developed every day, shall represent a great deal and When the exam container shall fall short, the lot shall be rejected or 10 additional containers may very well be selected at random and subjected to your test less than which failure occurred.
(one) Markings need to be stamped plainly and completely on shoulder or prime head of jacket or on a permanently attached plate or head protecting ring.