NAVY MIL-C-24633 A-1990 CHAIN STUD LINK ANCHOR LOW ALLOY STEEL FLASH BUTT WELDED《闪光对焊低合金钢锚柱环节链》.pdf
《NAVY MIL-C-24633 A-1990 CHAIN STUD LINK ANCHOR LOW ALLOY STEEL FLASH BUTT WELDED《闪光对焊低合金钢锚柱环节链》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-C-24633 A-1990 CHAIN STUD LINK ANCHOR LOW ALLOY STEEL FLASH BUTT WELDED《闪光对焊低合金钢锚柱环节链》.pdf(27页珍藏版)》请在麦多课文档分享上搜索。
1、MIL-C-24633A 40 = 7777906 0423466 7 (INCH-POUNDI MIL-C-24633A 74 April IqqO SUPERSEDING 10 April 1984 (See 6.7) MIL-C-24633 MILITARY SPECIFICATION CHAIN, STUD LINK, ANCHOR, LOW ALLOY STEEL, FLASH BUTT WELDED This specification is approved for use by all Departments and Agencies of the Department of
2、Defense. 1. SCOPE 1.1 ScoDe. This specification covers 3/4-inch through 4-3/4 inch, low alloy steel, flash butt welded, stud link anchor chain for use on ships. 1.2 Length. Chain shall be furnished as single shots, nominally 90 feet (15 fathoms) long (see 3.11). 2. APPLICABLE DOCUMENTS 2.1 Governmen
3、t documents. 2.1.1 SDecifications, 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 Inde
4、x of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). 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
5、5523, Department of the Navy, Washington, 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. AMSC N/A FSC 40 C DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlirniced. Pr
6、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-24633A SPECIFICATXONS MI LZTARY MIL-P-24380 f Paine, Anchor Chain, Solvent Type, Gloss Black. (Metric) STANDARDS MILITARY MIL-STD-271 - Requirements for Nondestruceive Teseing Methods. (Unless other
7、wise indicated, copias of federal and military cpeciEications, standards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) ochar Government documents, dzawings, and publications form il paz of this dosaunont to the
8、 extent speciEied herein. ara those cited in ths solicitation. 2.1.2 ther Government= documents, drawinns. and ublica tio The fhllowing Unless otherwise specified, the issues NAVAL SEA SYSTEMS COMMAND (NAVSEA) NAVSHIPS 0900-003-8000 - Metals, Surface fnspection Acceptance Standards. (Application for
9、 copies should be addressed Co ehe StandaxdizaEiorr Docmpnts Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 on-GovernmenE.DublicReionc. The ol.lowng docwnent(s) form a part: o this decwnant to the extene speciPied herein. issues of tho documents which are DOD adopted are
10、 those listed in the issue of Ehe DQDISS cited in the solicitation. deeumanCs not lieitad in Ehe DODISS are the issues o the documents cited in the solicitation (see 6.2). Unless atherwise specified, the Unless atherniae speciied, the issues of AMERICAN SOCIETY FOR TECTXNG AND MATERIALS (ASTM) A 370
11、 - Standard Test Methods and DePinitons or Mechanical Testing of Steel Products. E 112 - Standard Test: Methods for DatermIning Average Grain Size. (DoD adopted) E 381 - Standard Method of Macroetch Testing, Inspection, and Rating Steel Products, Comprising Bars, BilleCs, Blooms, and Forgings. (DaD
12、adopted) (Don adopted) (Application for copies should be addressed 60 the American Sociecy for Tasting and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN WELDXNG SOCIETY (AWS) AS.1 AS.5 A5.20 - Specification for Carbon Steel Electrodes for Flux Cored - Specficacion for Covered Carbon
13、 Steel Arc Welding - Specification for Low Alloy Steel Covered Arc Welding Electrodes. (Dol) adopted) Electrodes, (DoD adopted) Arc Welding, (DoD adopted) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-24633A 40 m 9797906 0423468 O m MIL-C-2
14、4633A AWS (Continued) A5.26 - Specification for Consumables Used for Electrogas Welding of Carbon and High Strength Low Alloy Steels. (DoD adopted) Shielded Arc Welding. (DoD adopted) Arc Welding. (DoD adopted) Qualification. A5.28 - Specification for Low Alloy Steel Filler Metals for Gas A5.29 - Sp
15、ecification for Low Alloy Steel Electrodes for Flux Cored B2.1 - Standard for Welding Procedure and Performance (Application for copies should be addressed to the American Welding Society, Inc., 550 NW LeJeune Road, P.O. Box 351040, Miami, FL 33125.) DET NORSKE VERITAS Certification Notes No. 2.6 -
16、Certification of Offshore Mopring Chain. (Application for copies should be addressed to Det Norske Veritas, Post Office Box 300, N-1322 Hovik, Oslo, Norway.) (Non-Government standards and other publications are normally available from These documents also the organizations that prepare or distribute
17、 the documents. 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, the text of this document takes precedence. Nothing in this document, however, supersedes
18、applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.3. 3.2 Material. Steel used in the manufacture of chain links and studs s
19、hall be ingot-cast process or continuous-cast process with a minimum reduction in area of 12:1, fully killed, and made to fine-grain practice. Sufficient croppage shall be taken from the top and bottom of each ingot or beginning and end of each continuously cast strand to ensure removal of harmful d
20、efects or segregation that would adversely affect the chain quality. Bar stock made from material at the top of the ingot or end of the continuously cast strand after cropping shall be iden- tified for testing. The bar stock for each heat of steel used in the manufacture of the links shall have an a
21、ustenite grain size of 5 or finer in accordance with ASTM E 112. links. same composition of material used in the first article sample in chemistry, quality and properties. The chain material shall be identified from steel mill to chain fabrication. Unidentified material shall be considered nonconfor
22、ming. Bar stock for links may be selected greater than the nominal chain size (link diameter! according to table.1, provided that the finished chain meets the dimensions and tolerances specified (see 3.3 and 4.5.7). greater than 0.75 times the bar stock tolerance. Studs shall be made of steel of the
23、 same composition used in the Studs shall be forgings. Material used in normal production shall be the Ovality of the bar stock shall be not 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL- G24633A TABLE I, Bar stock to1erances. I Permissible b
24、ar stock tolerance I (inches) I (inch) Chain size, inclusive 3/4 to 14/4 1-3/0 to 2-l./2 2-5/0 CO 3=1/2 3-5/0 to 4-3/4 Plus 3/64 Plus 1/16 Plus 3/32 Plus 1/8 3.2.1 paterial chemical composltioq, The chemical composition of the sfeel eknll be determined at the steel mill for each heat a steel and sha
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