1、I INCH POUND I MIL-DTL-46192C (MR) 28 August 1998 SUPERSEDING MIL-A-46192B (MR) 1 July 1991 DETAIL SPECIFICATION ALUMINUM ALLOY ARMOR ROLLED PLATE (1/2 TO 4 INCHES THICK), WELDABLE (ALLOY 2519) This specification is approved for use within the Department of the Army, and is available for use by all
2、Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers aluminum alloy 2519 armor rolled plate from 1/2 inch up to and including 4 inches in thickness. 1.2 Weldability. The material covered by this specification is weldable to itself and other weldable 20
3、00 series alloys using a 2000 series filler and is weldable to 6000 series alloys using a 4000 series filler. It is not weldable to 5000 series or 7000 series alloys by conventional welding techniques. 1.3 Classification. Material furnished under this specification should be rolled plate in a T87 te
4、mper 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort h
5、as been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The f
6、ollowing specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified in the contract or purchase order, the issues of these documents are.those listed in the issue of the Department of Defense Index of Specifications and Standards
7、(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: Director, US Army Research Laboratory, Weapons and Materials Research Direc
8、torate, ATTN: AMSRL-W“M, Aberdeen Proving Ground, MD 21005- 5069 by using the Standardization Document Improvement Proposal (DD from 1426) appearing at the end of this document or by letter. I AMSC N/A FSC 9535 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
9、 IHS-,-,-MIL-DTL-4 61 92C (MR) STANDARDS DEPARTMENT OF DEFENSE MIL-STD-662 Test Method Standard V50 Ballistic Test for Armor (Unless otherwise indicated, copies of the standard are available from the Standardization Document Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.3
10、 Non-Government publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified in the contract or purchase order, the issues of the documents which are DoD adopted are those listed in the issue of the DODISS cited in the solicitatio
11、n. Unless otherwise specified in the contract or purchase order, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). SAE INTERNATIONAL AMs 2150 Pyrometry AMs 2772 Heat Treatment of Aluminum Alloy Raw Materials (Application for copies
12、should be addressed to SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001.) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI H35.2 American National Standard Dimensional Tolerances for Aluminum Mill Products (Applications for copies should be addressed to the American National Sta
13、ndards Institute, Customer Service, 11 West 42nd St., New York, NY 10036.) AMER1 CAN B551 B666 E34 E227 E52 7 E607 E716 SOCIETY FOR TESTING AND MATERIALS UWI“) Tension Testing Wrought and Cast Aluminum and Magnesium-Alloy Products Identification Marking of Aluminum Products Methods for Chemical Anal
14、ysis of Aluminum and Aluminum Alloys Method for Optical Emission Spectrometric Analysis of Aluminum and Aluminum Alloys by the Point-to-Plane Technique Practice for Numbering Metals and Alloys (UNS) Method for Optical Emmission Spectrometric Analysis of Aluminum and Aluminum Alloys by the Point-to-P
15、lane Technique, Nitrogen Atmosphere Practices for Sampling Aluminum and its Alloys for Spectrochemical Analysis 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-YbL92C m 9999906 2073548 895 MIL-DTL-46192C (m) 1251 Optical Emission Spectrome
16、tric Analysis of Aluminum and Aluminum Alloys by Argon Atmosphere, Point to Plane, Unipolar Self-initiating Capacitor Discharge Chemical Analysis G47 Determining Susceptibility to Stress-Corrosion Cracking of High Strength Aluminum Alloy Products (Application for copies should be addressed to the Am
17、erican Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959). 2.4 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, su
18、persedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order (see 6.2) and before production has commenced, samples of the specified item shall be made available to the contracting officer
19、or his authorized representative for approval in accordance with 4.3.1. The approval of the first article samples authorizes the commencement of production but does not relieve the supplier of responsibility for compliance with all applicable provisions of this specification. The first article sampl
20、es shall be manufactured by the process proposed for use on production. 3.2 Chemical composition. Chemical composition of material furnished under this specification shall be within the limits specified in table I (see 6.2). 3.3 Mechanical properties. Unless otherwise specified in the contract or or
21、der (see 6.2), the mechanical properties of rolled plate shall meet the requirements of table II, when tested as specified in 4.7.2. 3.3.1 If mechanical property requirements differ from the values shown in table II, or if any other properties are required, the ballistic requirements shall be as agr
22、eed upon between the procuring activity and the manufacturer. 3.4 Ballistic requirements. Each ballistic test plate shall be proof fired for resistance to penetration by determining a protection ballistic limit, BL(P) (see 6.2). The BL(P) shall be as specified in appendix A. -3- Provided by IHSNot f
23、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-46192C (m) TABLE I. Chemical composition, percent (ladle analysis). Element Min. Max. Silicon I ron Copper Manganese Magnesium Titanium Zinc Zirconium Vanadium Others, each Others, total Aluminum 5.3 o. 10 O. 05 o.
24、 o2 - o. 10 O. 05 Remainder 0.25 L/ 0.30 A/ 6.4 0.50 O. 40 o. 10 o. 10 0.25 o. 15 0.05 O. 15 - 1/ The combined silicon and iron content shall not exceed 0.40 percent. 3.5 Stress-corrosion resistance. When stress corrosion testing is specified in the contract or order (see 6.2), plate 0.75 inch and g
25、reater in thickness shall be resistant to stress corrosion cracking, with 3 out- of 3 specimens not showing evidence of cracking when tested in accordance with 4.7.3. 3.6 Thermal processing. Heat treatment shall conform to the requirements of AMs 2750 and 2772 and shall be such as to enable the mate
26、rial to meet the requirements of these specifications. 3.7 Dimensions and tolerances. 3.7.1 Dimensions. Size of plate shall be as specified in the invitation for bids, contract or order (see 6.2). -4- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
27、IL-DTL-46192C (MR) TABLE II. Mechanical properties of plate. Yield strength Elongation Thickness, Tensile strength 0.2% offset in 2 inches Direction inches min, ksi min, ksi min, percent Long 0.500-1.500 68. O transverse 1.501-2.000 68.0 2.001-3.000 68.0 3.001-4.000 68.0 Longitudinal 0.500-1.500 66.
28、 O 1.501-2.000 66. O 2.001-3.000 67. O 3.001-4.000 68. O 58. O 58. O 59. o 59. O 59. o 59. O 60. O 61. O 10 9 8 7 3.7.2 Tolerances. Unless otherwise specified in the contract or order (see 6.21, the plates submitted for acceptance shall not vary from the specified dimensions by an amount greater tha
29、n the tolerances shown in ANSI H35.2. Similarly, the thickness tolerance shall be as specified in table III. TABLE III. Thickness tolerances. Ordered thickness, Tolerance, inch . inches Minus Plus 0.500-0.875, incl. O. 030 1/ O. 876-1.125, incl. 1.126-1.375, incl. O. 040 “ 1.376-1.625, incl. O. 045
30、“ 1.626-1.875, incl. O. 050 l. 876-2.250, incl. O. 055 “ 2.251-2.750, incl. O. 060 “ 2.751-3.000, incl. O. 065 3.001-4.000, incl. 0.070 - O. 035 “ “ “ - 1/ The values for the plus column are derived from the full range tolerances specified in table 3.1 (for sheet and plate not specified for aerospac
31、e application) of ANSI H35.2. For example, the tolerance for a 2.0 inch thick by a 73 inches wide plate would be as follows: Thickness tolerance (from ANSI H35.2) 2 0,060 Full tolerance less minus tolerance 0.120 - 0.055 = 0.065 Derived plus tolerance O. 065 Tabulated minus tolerance O. 055 -5- Prov
32、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-46192C (MR) 3.8 Marking for identification. Each plate shall be marked in at least one location in characters not less that 3/8 inch high with the following information. a. Manufacturers name, trade
33、mark, or both. b. Number of this specification. c. Type, class, alloy designation, and temper. d. Army part or drawing number. e. Lot number. 3.8.1 Identification marking. Unless otherwise specified (see 6.2) each Plate shall be continuously line marked along the rolling direction in accordance with
34、 ASTM B666. 3.8.2 Ballistic test plates. In addition to the marking in 3.8, each ballistic test plate shall be marked with the letters PRE for first article test plates and ACC for acceptance test plates. This marking shall be impression stamped or stenciled on the plate rolled surface not less than
35、 1/2 inch high and within one inch of the plate edge. 3.9 Workmanship. Rolled plate shall be uniform in quality and shall be clean, smooth and commercially free from buckles, blisters, hard spots, damaged ends, laminations and other defects which may affect its use in fabrication. Surface cracks, ed
36、ge cracks or edge laminations shall be cause for rejection. 4. VERIFICATION 4.1 Clarification of inspection. The inspection requirements specified herein are classified as conformance inspection (see 4.2). 4.2. Conformance inspection. Test for acceptance of individual lots consist of testing all req
37、uirements specified in section 3. Verification conformance inspection is in accordance with the provisions herein. 4.2.1 Government test activity. Ballistic tests shall be performed at a government test activity selected by the procuring activity (see 6.2). 4.3. Classification of inspection. Inspect
38、ion shall be classified as follows: (a) First article inspection (see 4.3.1) . (b) Quality conformance inspection (see 4.3.2) . 4.3.1 First article inspection. First article inspection shall consist of the following: (a) Chemical analysis (see 3.2 and 4.7.1) . (b) Mechanical properties (see 3.3 and
39、4.7.2). (c) Ballistic tests (see 3.4, 4.7.4 and Appendix A) . (d) Stress corrosion tests (see 3.5, 4.5.2.3 and 4.7.3). (e) Dimensions and tolerances (see 3.7 and 4.8.1). (f) Identification marking (see 3.8 and 4.8.2). (9) Workmanship (see 3.9 and 4.8.2) . -6- Provided by IHSNot for ResaleNo reproduc
40、tion or networking permitted without license from IHS-,-,-MIL-DTL-46192C (MR) 4.3.2 Conformance (acceptance) inspection. Lot acceptance inspection shall consist of the following: Chemical analysis (see 3.2 and 4.7.1) . Mechanical properties (see 3.3 and 4.7.2). Ballistic tests (see 3.4, 4.7.4 and Ap
41、pendix A). Dimensions and tolerances (see 3.7 and 4.8.1). Identification marking (see 3.8 and 4.8.2). Workmanship (see 3.9 and 4.8.2). Preparation for shipment (see section 5 and 4.8.3). 4.4 - Lot. For rolled plate a lot shall consist of plate of the same ordered thickness and temper submitted for i
42、nspection as a unit, provided that the weight of the finished plate in the lot does not exceed 50,000 pounds. 4.5 SamDlinu. 4.5.1 First article testing. At least three samples shall be submitted for ballistic and mechanical testing. If the sample size is too small for removal of tensile test specime
43、ns from the ballistic sample, three additional samples shall be furnished. 4.5.1.1 Chemical composition. Samples for chemical analysis shall be removed from each plate selected for ballistic testing. 4.5.1.2 Mechanical properties. A tensile test specimen for first article tests shall be removed from
44、 the same plate material that has been selected for the ballistic test. The location and type specimen shall be specified in 4.7.2. 4.5.1.3 Stress corrosion. Stress corrosion test specimens shall be removed from the same plate selected for the ballistic test. The type of specimens .shall be as speci
45、fied in 4.7.3. 4.5.1.4 Ballistic tests. Two plates, 12 by 36 inches (t1,- O inches) by the ordered thickness, shall be submitted for ballistic testing as agreed between the manufacturing and the procuring activity. The orientation of these plates with respect to the rolling direction shall be at the
46、 option of the manufacturer. The first article ballistic test may be waived at the discretion of the procuring activity, provided that the manufacturer has produced acceptable plate within + 0.250 inch of the ordered thickness within 18 months and that the test conditions are the same as for previou
47、sly accepted plate. 4.5.2 Acceptance tests. 4.5.2.1 Chemical composition. (a) Ladle analysis. At least one sample shall have been taken from the molten metal representing one group of ingots poured as a unit from the same source of molten metal. Complete ingot analysis records shall be available to
48、the Government at the ingot producers facility. (b) Check analysis. When sampling has not been made in accordance with 4.5.2.1(a), one sample shall be taken for each 4,000 pounds or less in each lot in accordance with methods specified in 4.7.1. -7- Provided by IHSNot for ResaleNo reproduction or ne
49、tworking permitted without license from IHS-,-,-MIL-DTL-46192C (MR) 4.5.2.2 Mechanical properties. From each lot samples for tensile tests shall be selected in accordance with table IV. Each sample shall be selected from a different plate in the lot. If a lot consists bf only one plate, only one tensile test sample shall be taken. One tensile specimen shall be fabricated from each sample. 4.5.2.3 Stress corrosion. One plate, approximately
