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    NAVY MIL-T-22214 C-1993 TUBE CONDENSER AND HEAT EXCHANGER WITH INTEGRAL FINS (UNS ALLOY NOS C71500 C70600 C12200)《带完整鳍的冷凝器和热交换器管》.pdf

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    NAVY MIL-T-22214 C-1993 TUBE CONDENSER AND HEAT EXCHANGER WITH INTEGRAL FINS (UNS ALLOY NOS C71500 C70600 C12200)《带完整鳍的冷凝器和热交换器管》.pdf

    1、MIL-T-22214C m 9999906 1859065 371 rINCH - POUND ) MIL-T-22214C(SH) 30 July 1993 SUPERSEDING 16 March 1987 MIL-T-22214B(SH) (See 6.6) MILITARY SPECIFICATION TUBE, CONDENSER AND HEAT EXCHANGER WITH INTEGRAL FINS (UNS ALLOY NOS. C71500, C70600, C12200) This specification is approved for use by the Nav

    2、al Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers integral finned tubes with plain ends of copper nickel alloy and copper for use in heat exchangers and condensers. 1.2

    3、Classification. Tubes shall be furnished in the following alloys and tempers, as specified (see 6.2). Alloy: C71500 C70600 c12200 Temper: 1. As-finned 2. Annealed 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications. standards. and handbooks. The following specifications standards,

    4、 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 (DODISS) and supplement thereto, cited in the solicitation (see 6.2).

    5、 SPECIFICATIONS MILITARY MIL-C-3993 - Copper Base Alloy Mill Products; Packaging of. MIL-L-19140 - Lumber and Plywood, Fire-Retardant Treated. Beneficial comments (recommendations, additions, deletions and any pertinent data which may be of use in improving this document should be addressed to: Comm

    6、ander, ATTN: 03442, Naval Sea Systems Command, 2531 Jefferson Davis Hwy, Arlington, VA 22242-5160 by using the Standardization Document Improvement Proposal (DD Form 1426 appearing at the end of this document or by letter. d AMSC N/A FSC 4710 DISTRIBUTION STATEMENT A. Approved for public release; di

    7、stribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-22214C m 9961990b L859Obb 208 m MIL-T-22214C(SH) S TANDARD S MI LI TARY MIL-STD-271 - Nondestructive Testing Requirements for Metals. MIL-STD-2035 - Nondestructive Testing

    8、 Acceptance Criteria. (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government publications. The following document

    9、forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issu

    10、es of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 359 - Standard Specification for Copper and Copper-Alloy Seamless Condenser and Heat Exchanger Tubes with Integral Fins. (DOD adopted) Solid, Sheet Stock (Container Grade), and Cut Shapes. (D

    11、OD adopted) D 4727- Standard Specification for Fiberboard; Corrugated and (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1137.) (Non-Government standards and other publications are normally available from the or

    12、ganizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for associated detail sp

    13、ecifications, specification sheets or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 General. Copper alloy finned condenser and heat exchanger

    14、tubes shall be in accordance with ASTM B 359 and the additional requirements specified herein. 3.2 Recovered materials. Material covered by this specification shall be produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term recovered materi

    15、als 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. 3.3 Soundness, Tubes shall be free of defects which would render them unusable as determined by visual or nondestructive inspection of

    16、completed, finned tubes in accordance with 4.3.1 and 4.3.3. 3.4 Number of fins. Unless otherwise specified (see 6.2), the tube shall have 19 fins with a tolerance of plus one, minus zero, fins per inch as averaged over any 12 inch length. 3.5 Fin height. Unless otherwise specified (see 6.2), the fin

    17、 height shall be 0.050 inch, minimum. 3.6 Dimensions. Dimensions shall be as specified (see 6.2). Table I lists standard tube dimensions. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-222L4C m 9999506 1859067 L44 MIL-T-22214C(SH) TABLE I. D

    18、imensions of integral finned tube (minimum wall). O 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-222L4C m 7799906 L859068 O80 m 3.7 Tolerances. Tube tolerances shall be as specified in 3.7.1 through 3.7.3. 3.7.1 Root diameter. A tolerance

    19、of plus 0.007 inch and minus 0.003 inch on the root diameter shall be permitted. 3.7.2 Straightness. The straightness tolerances of table II shall apply to as-finned tube only. TABLE II. Permissible variations in straiEhtness of tube. Length (feet) Maximum curvature (depth of arc) (inch) Over 3 to 6

    20、 inclusive Over 6 to 8 inclusive 3/16 1/2 inch in any 10 foot portion Over 10 1/2 Over 8 to 10 inclusive 5/16 of the total length 3.7.3 Outside diameter of Dlain sections. The tolerances for outside diameter of the plain sections as shown in ASTM B 359 shall be all negative; that is, a plus toleranc

    21、e of 0.000 inches. 3.8 Cleanliness, The inner and outer surface of the tubes shall be delivered clean, free of dirt, oils, grease, acid, chips, carbonaceous material, free carbon sulfur bearing compounds and any other foreign matter that render the tube unfit for their intended use. Contaminants suc

    22、h as sulfur or sulfur bearing compounds or carbon or carbon compounds from lubricants used in forming, machining, or other processing, and marking materials used for in-process identification shall be removed from the material prior to any heat treatment. Tubing shall be acid or abrasive cleaned. Tr

    23、aces of acid or abrasive shall be removed following cleaning. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for 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

    24、specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or 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 a

    25、ny of the inspections set forth in the specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. 4.1.1 Responsibilitv for compliance. All items shall meet all requirements of sections 3 and 5. The inspections set forth in this speci

    26、fication shall become a part of the contractors overall inspection system or quality program. The absence of any inspection 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 co

    27、mply with all requirements of the contract. Sampling inspection, as part of the manufacturing operations, is an acceptable 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 Go

    28、vernment to accept defective material. 4.2 Sampling. Inspection samples shall be selected by the contractor in accordance with ASTM B 359 as modified by 4.2.1 through 4.2.5. If one or more defects are found in any sample, the entire lot represented by that sample shall be rejected. If a lot is rejec

    29、ted, the contractor has the option of screening 100 percent of the lot for the defective characteristics or providing a new lot which shall be examined in accordance with the sampling plan contained herein. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I

    30、HS-,-,-4.2.1 m. For sampling purposes, a lot shall consist of lengths of tubes of the same composition, temper, size, heat treated at the same time in the same furnace, offered for delivery at the same time and identifiable by mill records as originating from one or more heats (melts), as necessary,

    31、 which conform to the chemical requirements. The total weight of the lot shall not be greater than 10,000 pounds. O 4.2.2 Chemical analysis. Samples shall be taken at the time the metal is cast. One sample shall b taken for each group of castings poured simultaneously from the same source of molten

    32、metal. Analysis of all metal comprising the lot shall be performed (see 6.3). 4.2.3 Visual and dimensional examination. From each lot, a representative sample of completed tubes shall be selected in accordance with table III for inspection specified in 4.3.1. TABLE III. SamDling for visual and dimen

    33、sional II Lot size Sample size 1- 2-8 Al 1 9 - 150 II 150 - 280 I 13 20 280 - 500 501 - 1200 29 42 1200 - 3200 34 Lxaminations. 4.2.4 Destructive tests. Samples for tensile tests shall be selected in accordance with ASTM B 359. From each lot a representative sample of completed tubes shall be select

    34、ed in accordance with table IV for flattening, flaring and grain size tests specified in ASTM B 359. TABLE IV. Samvling for destructive tests. II 26 - 50 2 - 26 51 - 90 91 - 150 151 - 280 281 - 500 501 - 1200 2 3 4 1 1201 - 3200 1 9 4.2.5 Nondestructive tests. Each tube shall be subjected to the edd

    35、y current, liquid penetrant and hydrostatic/pneumatic tests in accordance with 4.3.3. 4.3 Examinations and tests. Tubes shall be subjected to the examination specified in 4.3.1 and the tests specified in 4.3.2 through 4.4. 4.3.1 Visual and dimensional examination (except wall thickness at fins) Each

    36、 sample tube selected in accordance with table III shall be dimensionally inspected for conformance with 3.4 through 3.7 and visually inspected for compliance with 3.3 and 3.8. Tubes containing one or more defects shall be cause for rejection. 4.3.2 Destructive tests. The sample tubes selected in ac

    37、cordance with 4.2.4 shall be subjected to the tensile, flattening, flaring, and grain size tests in accordance with ASTM B 359 (see 6.3). O 4.3.3 Nondestructive inmection. Each tube in the finished form shall be nondestructively inspected in accordance with ASTM B 359 with the following modification

    38、s (see 6.3). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-22214C m 9999906 1859070 739 MIL-T-22214C(SH) 4.3.3.1 Eddy current and pressure tests. Both eddy current and pressure (hydrostatic or pneumatic) tests are required. 4.3.3.2 Eddy cur

    39、rent Drocedure. The eddy current test shall be performed in accordance with the requirements of ASTM B 359 and MIL-STD-271. The procedure shall be qualified and approved as required by MIL-STD-271. Inspection personnel shall be qualified and certified in accordance with MIL-STD-271. 4.3.3.3 Liuuid p

    40、enetrant insDection. Liquid penetrant inspection in accordance with MIL-STD-271 shall be performed on the outside surface and the end surfaces of the smooth ends of-the tubes to inspect the area of the tubes missed by the eddy current test due to “end affect“. Alternatively, the area of the tube end

    41、s missed due to end effect may be cropped off and discarded. Liquid penetrant acceptance criteria shall be in accordance with MIL-STD-2035. 4.4 Inspection of packaging. Sample packages and packs, and the inspection of the (preservation, packing, and marking) for shipment, stowage, and storage shall

    42、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 Government acquisition.) 5.1 Packaging. - packinp. - and marking. Material shall be packaged level A or C, packed level A, B, or C,

    43、 and marked in accordance with MIL-C-3993 (see 6.2). 5.2 Naw fire retardant reauirements. When specified (see 6.2), packaging materials shall be fire retardant treated. 5.2.1 Lumber and plvwood. When specified (see 6.2), all lumber and plywood including laminated veneer material used in shipping con

    44、tainer and pallet construction, members, blocking, , and reinforcing shall be fire-retardant treated material conforming to MIL-L-19 40 as follows: Level A and B - Type II - weather resistant. Level C - .Type I - non-weather resistant. Category 1 - general use. Category 1 - general use. 5.2.2 Fiberb

    45、oard. When specified (see 6.2), fiberboard used in the construction of class-domestic, non-weather resistant fiberboard, and cleated fiberboard boxes including interior packaging forms shall meet the flame spread index and specific optic density requirements of ASTM D 4727. 5.2.3 Cushioning: and wra

    46、pping - materials. The use of excelsior, newspaper, shredded paper (all types), and similar hydroscopic or nonneutral materials and all types of loose fill materials for packaging applications such as cushioning, fill, stuffing, and dunnage is prohibited. Materials selected shall have properties for

    47、 resistance to fire. Cushioning or wrapping materials shall be provided to prevent damage and to prevent free movement of the container contents. Materials having properties for resistance to fire and acceptable for use within shipping containers for Navy use are listed in section 6.4 for informatio

    48、n. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful but is not mandatory.) 6.1 Intended use. These tubes are intended for high flux density heat transfer tubes in condensers and other types of heat exchangers. 6 Provided by IHSNot for ResaleNo reprod

    49、uction or networking permitted without license from IHS-,-,-6.2 Acsuisition requirements. Acquisition documents must specify the following: Title, number, and date of this specification. Alloy and temper (see 1.2). Issue of DODISS to be cited in the solicitation, and, if required, the specific issue of individual documents referenced (see 2.1.1 and 2.2). Number of fins per inch when other than specified (see 3.4). Height of fin required when other than specified (see


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