5 Simple Statements About bar178 link alternatif Explained

Just about every container needs to be hydraulically pressurized inside of a water jacket to at the least 100 percent, but not a lot more than one hundred ten p.c, in the examination force and preserved at this stress for a minimum of 3 minutes. Overall and permanent enlargement must be recorded and included in the inspector's report.

Product should be recognized by any acceptable system, except that plates and billets For decent-drawn cylinders has to be marked with the heat number.

Reheat treatment method is licensed for turned down cylinders. Subsequent thereto, cylinders should move all prescribed tests to generally be acceptable. Mend by welding or spinning just isn't authorized.

(i) The remaining cylinders in each large amount should be examined because of the proof pressure drinking water-jacket or immediate growth check approach as prescribed in CGA C-one. The least test strain has to be managed for the particular timeframe plus the testing devices has to be calibrated as prescribed in CGA C-one.

The least wall thickness must be such the wall strain in the least specified examination tension may not exceed sixty seven % on the bare minimum tensile toughness from the metal as identified in the Actual physical and burst exams needed and will not be more than 70,000 p.

(two) Once the porosity of every cylinder is not identified, a cylinder taken at random from lots of two hundred or fewer must be tested for porosity. If your take a look at cylinder fails, Each individual cylinder in the lot could possibly be analyzed separately and people cylinders that move the check are suitable.

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(one) Each cylinder must be uniformly and effectively heat dealt with previous to check via the applicable process referenced in desk 1 of appendix A to this part. Heat procedure has to be accomplished In fact forming and welding operations, other than that when brazed joints are utilised, heat therapy have to comply with any forming and welding operations, but could be finished before, during or once the brazing operations (see paragraph (n) of this portion for weld repairs).

One container taken at random away from 200 or fewer must be hydrostatically analyzed to destruction. Rupture pressure needs to be involved as Component of the inspector's report.

(one) Each cylinder have to be heated and held at the proper temperature for a minimum of a single hour per inch of thickness based on the utmost thickness with the cylinder after which you can quenched in an acceptable liquid medium having a cooling price not in surplus of eighty per cent of drinking water.

Cylinders needs to be manufactured making use of devices and processes ample to make sure that Each individual cylinder created conforms to the necessities of the subpart. No defect is permitted that is likely to weaken the completed cylinder appreciably.

A “root” bend examination specimen needs to be Reduce in the cylinder or welded take a look at plate, employed for the tensile take a look at laid out in paragraph (l)(1) of this portion and from another seam or equal welded test plate Should the seam is welded by a process unique from that employed for the most important seam.

Each individual cylinder need to be uniformly and thoroughly warmth addressed before checks. Any acceptable heat treatment in excess of here 1100 °F is licensed besides that liquid quenching just isn't permitted. Heat remedy must be accomplished In the end forming and welding functions.

(ii) A person cylinder have to be picked from Every single great deal and become hydrostatically tension analyzed to destruction. If this cylinder bursts down below five (five) times the support strain, then two supplemental cylinders in the identical whole lot because the previously analyzed cylinder must be chosen and subjected to this examination.