1、E-o 7-as (INCH-POUND I MIL-F-24032A(SH) 19 October 1989 SUPERSEDING 31 March 1964 (See .7) MIL-F-24032(SHIPS) MILITARY SPECIFICATION FLASK, SEPARATOR, 3000 PSI, K-MONEL This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all De
2、partments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers K-Monel high pressure flasks with Monel end plugs for separation of impurities from oxygen in submarine oxygen generator systems, 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications.
3、 standards. and handbooks. The following specifica- tions, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards
4、(DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL QQ-N-281 - Nickel-Copper Alloy Bar, Rod, Plates, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections. QQ-N-286 - Nickel-Copper-Aluminum Alloy, Wrought (UNS N05500). PPP-F-320 - Fiberboar
5、d; Corrugated and Solid, Sheet Stock (Container Grade) and Cut Shapes. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Was
6、hington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. THIS DOCUMENT CONTAINS 19 PAGES= y MSC N/A FSC 8120 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited, Pr
7、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY MIL-P - 116 - Preservation, Methods of. MIL-T-I368 - Tubo arid Pipe, Nickel-Copper Alloy, Seamless and Welded. MIL-L-19140 - Lumber and Plywood, Fire-Retardant Treated. MIL-E-22200 - Electrodes,
8、Welding, Covered; General Specification or. MfL-E-22200/3 - Electrodes, Welding, Covered: Nickel Base Alloy; and Cobalt Base Alloy. FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. FED-STB-151 - Metals; Test Methods. MILfTAKY MIL-STD-271 MIL-STB-2073-1 - DOD Materiel Procedures for
9、 Development and - Requirements or Non-Destructlve Testing Methods. Application o Packaging Requirements. * (Unloss odiexwice indicated, copies of feclera. and military specifications, seandurds, and handbooks are available rom the Naval Publications and Forms Conter, (ATTN: NBODS), 5801 Tabor Avenu
10、e, Philadelphia, PA 19120-5099.) 2.2 -Government publications. The following ociunent(s) om a part o Unless otherwise specified, the issues of ehig document: eo the extent specified herein. Unless otherwise specified, the fsauas of tha docrunants which are DOD adopted Eire those listed in the issue
11、o dio DODISS dted in the solicitation. docwonts not: listed in the DODISS are the issues of the documents cited in the sol$citati.on (see 6.2). AMERICRN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 E 8 Standard Practice or Commercial Packaging. - Standard Test Methods of Tension Testing of Metall
12、ic (DOD adopted) Materials. (DOD adopted) (Application for copies should be addressed to the American Society for (Non-Government standards and other publications are normally available from These documents also Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) tho organizations that
13、 prepare or distribute the documents. my be available in or through libraries or other informational services.) In the event o a conflict between the text of this document and the references cited herein, the text of this document takes precedoma. Nothing in this document, however, supersedes applic
14、able laws and replations unless a specific exemption has been obtained. 2.3 Order of nrecedence. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-24032A 81 m 7777706 0283357 b I Yield strength, at 6.625 inches minus O inch Tensile strength Elo
15、ngation 3. REQUIREMENTS 85,000 ib/in2 minimum 130,000 lb/in2 minimum 20.0 percent in 2 inches 3.1 Material. 3.1.1 Flasks. The material for the flasks shall be seamless K-Monel tubes having chemical composition in accordance with QQ-N-286. flasks are to be made shall be in the hot finished, hot finis
16、hed and annealed, or cold drawn and annealed condition. Finished flasks shall be in the annealed and age hardened condition and shall have mechanical properties specified in table I. Material from which 3.1.2 End plugs. - End plugs shall be nickel-copper alloy in accordance wLLL class A of QQ-N-281.
17、 3.1.3 Recovered materials. Unless otherwise specified herein, all equipment, material, and articles incorporated in the products covered by this specification shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing
18、the intended use. The term “recovered materials means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. interpreted to mean that the use of used or rebuilt products is allowed under this specific
19、ation unless otherwise specifically specified. None of the above shall be 3.2 Dimensional characteristics. The dimensional characteristics of flasks Unless otherwise specified herein, the difference shall be as shown in tab.le II. between the major and minor diameters shall not exceed 2 percent of t
20、he flask outside diameter. TABLE II. Dimensional characteristics. Capacity Outside diameter plus or minus 3/32 inch Length plus 2 inches minus O inches Wall thickness, minimum Hydrostatic test pressure Applicable figure 3 0.5 cubic feet 6.625 inches 3 feet 10 inches 0.375 inch 5000 lb/in2 1 Provided
21、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3 P,sbrfe,nt3oq. The body of tho flask shall be! in the form of a straight cylinder AB shewn on figure 1. for the end esnneccioris (see figure 2). tubular material. Each end shall be hot: formed to provide n
22、neck Flasks shall be formed of seamless 3.3. I menli.ng. Ator eompbotioii of Eorgfng operations , flasks shall be annoalcd, thon rapidly quenched from tile annealing temperature. 3.3.2 electrodes conforming to type 9N10 of MIL-E-22200 and MfL-E-22200/3, to age iardonirig. The inlet/outlet plug shall
23、 be assembled The Monal (Ni-Cu) overlay (see igure 2) shall be OVKLA shall be applied to the flask after annealing and prior 3.5.1 Interchangeability. In no case shall parts bo physically inter- changoable or reversible unless such parts are also interchangeable or reversible with regard function, p
24、erformance and strength. 3.6 bbel. lnte., A label plate shall be made for each flask of 1/16-inch thick aluminum. mtnl bands. lettors : The label plate shall be attached to the neck of the flask by Tho following information shall be stamped on the plate in l/O-inch (a) (b) Weight to nearest pound. (
25、e) (ci) Material - QQ-N-286. (e) Contract number. (f) Specification number. Manufacturers name and identification number. Operating pressure - 3000 lb/in2. (&) Date. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e u a a MIL-F-24032A 81 9999906 02
26、83363 4 m 3.7 Indentations on flask. Indentations, other than those required by a manufacturer for identification of a flask during fabrication, are not permitted on the surface of the flask. Such markings may appear on the neck portion only. They shall be made with a round bottom stamp and shall be
27、 not over 1/16 inch deep (see figure 4). 3.8 WorkmanshiE. Flasks shall be free from cracks, and other injurious defects, Threads shall be smooth, properly formed and free from burrs, nicks and gouges. The label plate shall be clear and legible. 4. QUALITY ASSURANCE PROVISIONS 4.1 ResDonsibilitv for
28、inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or
29、any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government, The Government reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies
30、and services conform to prescribed requirements. 4.1.1 ResDonsibility for compliance. All items shall meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program. absence of any inspecti
31、on requirements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract, Sampling inspection, as part of the manufacturing operations, is an acceptabl
32、e practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to accept defective material. The 4.2 SamDlinq. 4.2.1 m. A lot shall consist of all flasks from the same heat or
33、 melt, and heat treated in the same heat treatment furnace charge. 4.2.2 Test sample. A test sample for tensile and yield tests (see 4.4.2.1) shall be furnished with each.lot of flasks. shape of a right circular cylinder having the same inside diameter and wall thickness as the flasks which it repre
34、sents. heat of K-Monel, and shall be subjected to the same manufacturing processes (except swaging) and heat treatment as the flasks which it represents. The methods of quenching the test sample shall duplicate that of the flasks. The test sample shall be in the The sample shall be of the same 4.3 V
35、isual and dimensional examination. Each flask shall be visually and dimensionally examined to verify conformance to this specification. be clean and free fr,om loose scale, chips, or foreign materials. Any flask containing visual or dimensional defects shall not be offered for delivery. Flasks shall
36、 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4 Test macedure. 4.4.1 Chemical analysis. Prior to flask fabrication a sample shall be taken from the pipe, billets or plate of each heat of K-Monel to be used for flask fabrication, and shall be s
37、ubjected to a chemical analysis to determine conformance to 3.1.1. Sample selection and testing shall conform to FED-STD-151. 4.4.2 pestriictive tests. The tests in 4.4.2.1 shall be performed on test opecinione cut: from the central 12-inch section of the test sample (see 4.2-2). 4.4.2.1 Tensile and
38、 vield. Four tensile specimens shall be cut longitu- dinally from the specified portion of the test sample (see 4.2.2), spaced 90 degrees apart: and shall be tested in accordance with ASTM E 8 to determine conformance to tensile, yield and elongation properties specified in table I. 4.4.3 Flask test
39、s. 4.4.3.1 jiydrastatic test. After assembly of end plugs, each flask shall be The test pressure shall be held at least 30 tasted in a water jacket to a test pressure equal to 5/3 the design working prossure of tho flask. wetter nor the flerck shall be heated. minutos. gormanent set exceeding 10 per
40、cent: of the total volumetric expansion. shall bo no evidence of leakage through any portion of the flask or end plug. Any flask that fails to conform to this test shall not be offered or delivery. Cold tap water shall be used for this test. Neither the As a result af this test the flask shall not r
41、upture or show a There 4.4.3.2 Ultrasonic insDection. After the hydrostatic test has been completed, each flask shall be 100 percent inspected over the cylindrical section efther in a circumferential direction or longitudinal direction between the heads in accordance with one of the methods prescrib
42、ed in MIL-STD-271. shall be calibrated to detect a notch equal, to 3 percent: of the wall thickness The equipment (see 6.3)- 4.4.3.2.1 Shear wave testing acceDtance criteria. Any flask having a discontinuity indication greater than that produced by the 3 percent calibration notch shell not: be offer
43、ed for delivery. equivalent to 50 percent of that produced by the calibration notch, and over 3 inches In length, shall be rejected unless approved by the Command or agency concerned. Any flask having a discontinuity 4.4.3.2.2 Tkrouph wave testing accemance criteria. For the through wave tasting met
44、hod, a 100 percent loss of back reflection indicates a discontinuity size equal to or greater than the 3 percent calibration notch. such a discontinuity size shall not be offered for delivery. Any flask showing 4.4.3.2.3 Calibratioq. Ultrasonic inspection equipment shall be recali- braced periodical
45、ly to ensure optimum results, there is any change in frequency or crystal size used. It shall also be recalibrated if 4.4.3.2.4 peiection. If the discontinuities are linearly disposed along ehe flask and the total length of all discontinuities in 12 inches of flask length is 6 inches, the flask shal
46、l not be offered for delivery. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-24032A 81 979790b 0283363 4.4.3.3 Liauid penetrant inspection. End sections shall be inspected by liquid penetrant in accordance with MIL-STD-271. circular indicat
47、ions as well as indications found in areas where abrupt changes in direction occur shall be treated as defects. Such defects shall be cause for rejection if they are greater than 0.0625 inch in depth, inch deep, they may be faired into the adjacent area at a ratio of four to one by gr inding, Linear
48、 or linearly disposed If less than 0.0625 4.4.3.4 Oil-free test. Flasks, after cleaning as specified in 3.4, shall be inspected internally by ultraviolet light (“black light“: 3200 to 4000 Ang- strom units). machined surfaces, the flask shall be recleaned and resubmitted to the oil-free test. If the
49、re is any evidence of fluorescence on the interior or 4.5 Inspection of packaginq. Sample packages and packs, and the inspection of the preservation, packing and marking for shipment, stowage and storage shall be in accordance with the requirements of section 5 and the documents specified therein. 5. PACKAGING (The packaging requirements specified herein apply only for direct Govern- For the extent of applicability of the packaging or pre
