(viii) When the typical value of the three specimens equals or exceeds the minimum value permitted for an individual specimen and the worth for multiple specimen is down below the necessary ordinary value, or when the value for a person specimen is underneath the minimum amount value permitted for a single specimen, a retest of three more specimens must be manufactured.

(i) The remaining cylinders in Each and every great deal must be force analyzed from the proof stress, drinking water-jacket or direct growth exam process as prescribed in CGA C-one. The minimum amount exam force need to be maintained for the specific timeframe as well as testing equipment needs to be calibrated as prescribed in CGA C-1.

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(i) One specimen must be taken longitudinally from your body portion no less than 90 degrees clear of the weld.

A root bend take a look at specimen should be faraway from the cylinder or welded take a look at plate which was used for the tensile check laid out in paragraph (l)(one) of the area. The specimen has to be taken from through the circumferential seam and must be organized and tested in conformance with and have to satisfy the requirements of CGA C-3.

(one) Force, close to the same as although not less than provider tension, need to be placed on a single aspect with the finished bottom above a location of at least one⁄16 of the full spot of The underside although not less than three⁄four inch in diameter, such as the closure, for a minimum of one particular minute, throughout which era one other side of The underside subjected to strain need to be protected with drinking water and intently examined for indications of leakage.

(3) A good deal is outlined as a bunch of cylinders fabricated from the identical heat of steel, manufactured by the identical method and warmth taken care of in the identical tools under the same circumstances of time, temperature, and atmosphere, and will not exceed a quantity of 200 cylinders.

(one) Welding or brazing is licensed with the attachment of neckrings and footrings which might be non-tension parts, and only to your tops and bottoms of cylinders aquiring a support strain of 500 psig or less.

(four) If the cylinder surface just isn't initially free in the defects, the surface area could be machined or usually addressed to do away with these defects furnished the minimum wall thickness is preserved.

(1) By very best appliances and techniques. No defect is appropriate that is probably going to weaken the finished container appreciably. A fairly easy and uniform surface finish is required.

One particular set of 3 impact bar178 slot check specimens (for every examination) must be well prepared and analyzed for determining the effects Qualities with the deposited weld metal—

(2) The inspector must verify ultrasonic inspection of all substance by inspection or by getting the material producer's certification of ultrasonic inspection. Ultrasonic inspection need to be performed or confirmed as obtaining been executed in accordance with paragraph (b)(five) of the segment.

(ii) In using the “extension below load” method, the full pressure (or “extension below load”) equivalent to the stress at which the 0.two % long-lasting pressure takes place could possibly be determined with sufficient precision by calculating the elastic extension from the gauge length below proper load and incorporating thereto 0.

(ii) Just one cylinder need to be selected from Every great deal and be hydrostatically stress tested to destruction. If this cylinder bursts beneath five (five) situations the company stress, then two further cylinders in the same large amount as being the previously examined cylinder must be chosen and subjected to this exam.