1、 INCH-POUND MIL-DTL-12235A (MR) 19 May 2009 . SUPERSEDING MIL-P-12235 (PA) 27 September 1952 w/AMENDMENT 18 November 1954 DETAIL SPECIFICATION PROJECTILE, PLATE-PROOFING (FOR IMPACT OR SHOCK TESTING) 37mm M1000, 57mm M1001, 75mm M1002, 90mm M1003, 105mm M1004, 20mm M1005, 57mm M1001A, and 75mm M1002
2、A This specification if approved for use within the Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers plate-proofing projectiles made from steel and aluminum bar stock for use in impacting or s
3、hock-testing armor, armor weldments, and other armor structures (see 6.1). 1.2 Classification. The plate-proofing projectiles will be of the class and type specified in the contract or purchase order (see 6.2). 1.2.1 Classes. 1.2.1.1 Class 1. Plate-proofing projectiles made from steel bar stock will
4、 be classified as Class 1. Comments, suggestions, or questions on this document should be addressed to: Director, U.S. Army Research Laboratory, Weapons and Materials Research Directorate, Materials Applications Branch, Specifications and Standards Office, Attn: AMSRD-ARL-WM-MC, Aberdeen Proving Gro
5、und, MD 21005-5069 or emailed to rsquillaarl.army.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil/. AMSC N/A FSC 1310 DISTRIBUTION STATEMENT A: Approved for public release; distri
6、bution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) 1.2.1.2 Class 2. Plate-proofing projectiles made from aluminum bar stock will be classified as Class 2. The letter “A” will follow the type designation number to
7、 indicate that the projectile is made from aluminum. See Table I for a summary of Classes and Types. 1.2.2 Types. 1.2.2.1 Type I. Proofing-projectiles -37 mm designated M1000. 1.2.2.2 Type II. Proofing-projectiles -57 mm designated M1001. 1.2.2.3 Type III. Proofing-projectiles -75 mm designated M100
8、2. 1.2.2.4 Type IV. Proofing-projectiles -90 mm designated M1003. 1.2.2.5 Type V. Proofing-projectiles -105 mm designated M1004. 1.2.2.6 Type VI. Proofing-projectiles - 20 mm designated M1005. TABLE I. Proofing-projectile s designations. Type I Type II Type III Type IV Type V Type VISIZE: 37 mm 57 m
9、m 75 mm 90 mm 105 mm 20 mm Class 1 (Steel) M1000 M1001 M1002 M1003 M1004 M1005 Class 2 (Aluminum) N/A M1001A M1002A N/A N/A N/A 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include document
10、s cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of
11、 this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents
12、 are those cited in the solicitation or contract. 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) INTERNATIONAL STANDARDIZATION AGREEMENTS ISO 17025 - General requirements for the competence of testing and calibration laboratorie
13、s (DoD Adopted). (Copies of this document are available from http:/www.iso.ch or from the International Organization for Standardization American National Standards Institute 11 West 42nd Street, 13th Floor New York, New York, United States, 10036.) FEDERAL SPECIFICATIONS TT-C-490 - Chemical Convers
14、ion Coatings and Pretreatments for Ferrous Surfaces (Base for Organic Coatings DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-32033 - Lubricating Oil, General Purpose, Preservative (Water-Displacing, Low Temperature) DEPARTMENT OF DEFENSE STANDARDS MIL-STD-129 - Military Marking for Shipment and Stora
15、ge MIL-STD-1916 - DoD Preferred Methods for Acceptance of Product (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications.
16、 The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. American Society for Quality (ASQ) ASQC-A8402 - Quality Management and Quality Assurance - Vocabulary (DoD
17、Adopted) (Copies of this document are available from www.asq.org or American Society for Quality, 600 Plankinton Avenue, Milwaukee, WI 53203.) ASME INTERNATIONAL ASME B46.1 - Surface Texture, (Surface Roughness, Waviness and Lay) (DoD Adopted) (Copies of this document are available from www.asme.org
18、 or ASME International, Three Park Avenue, New York, NY 10016-5990) 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) ASTM INTERNATIONAL ASTM A751 - Steel Products, Practices, and Terminology for Chemical Analysis of. (DoD Adopted)
19、 ASTM B557 - Standard Test Methods for Tension Testing Wrought and Cast Aluminum and Magnesium-Alloy Products (DoD adopted) ASTM E18 - Standard Test Methods for Rockwell Hardness of Metallic Materials ASTM E381 - Bars Steel Macroetch Testing, Billets, Blooms, and Forgings (Copies of these documents
20、are available from www.astm.org or ASTM International, 100 Barr Harbor Drive, PO Box C700, 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
21、this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials. The materials and parts of the proofing-projectile shall meet all the requirements specified on the applicable drawings listed in Figures I -VIII. See Tabl
22、e II . TABLE II. Proofing-projectile drawings. PROOFING-PROJECTILE ARMY ORDNANCE DRAWINGS CURRENT FIGURE M1000 75-2-414 FIGUGE I M1001 75-2-415 FIGURE II M1001A N/A FIGURE III M1002 75-2-416 FIGURE IV M1002A N/A FIGURE V M1003 75-18-57 FIGURE VI M1004 75-4-184 FIGURE VII M1005 7553662 FIGURE VIII 3.
23、1.1 Steel proofing -projectiles. All steel proofing-projectiles shall be made from steel, in accordance with Table III. 3.1.1.1 Processing and composition. 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) 3.1.1.1.1 Processing. The
24、 composition and heat treatment, when required, shall be at the option of the contractor and shall be specified in the contract or purchase order (see 6.2) when the projectile body meets the hardness requirements of this specification. 3.1.1.1.2 Statement of analysis. The chemical analysis of steel
25、shall be furnished with each lot of projectiles supplied. 3.1.1.2 Steel quality. The quality of the steel used in projectiles, as indicated by the results of macroetch test performed in accordance with 4.4.4.1, shall be as indicated in the contract or purchase order (see 6.2). Prior requirements ind
26、icated that the macrograph had to be equal to or better than that shown by macrographs A4, B5, and C8 of Appendix A and defects of the types shown by macrographs D3, D4, D5, D6, D7, or D8 of Appendix A. These macrographs were taken from the cancelled MIL-STD-1459 and they are offered as possible req
27、uirements. It is suggested that the ASTM Adjunct of ASTM E381; Plate I, Plate II, and Plate III be referenced in the contract or purchase order as possible accept / reject criteria. TABLE III. Proofing-projectile drawings. PROOFING-PROJECTILE STEEL ALUMINUM M1000 Hot-Rolled, As-Rolled FS 1021 N/A M1
28、001 Hot-Rolled, As-Rolled FS 1021 N/A M1001A N/A Alloy 1100 Temper 0 M1002 Hot-Rolled, As-Rolled FS 1021 N/A M1002A N/A Alloy 1100 Temper 0 M1003 Hot-Rolled FS 1021 N/A M1004 Cold Rolled FS 1021 N/A M1005 Hot-Rolled FS 1009 to FS 1020 N/A 3.1.1.3 Hardness. The hardness of the finished steel projecti
29、les shall be within a range of 64 to 74 Rockwell B (100 to 122 BHN), when tested as prescribed in paragraph 4.3.4.2 (See 6.3). 3.1.1.4 Rotating band. 3.1.1.4.1 Cleaning before assembly. Prior to banding, the band seats shall be clean and free from oil, grease, dirt, rust, and foreign material. Shot
30、blasting or sand blasting shall not be used for cleaning band seats. 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) FIGURE I - PP 37-mm, M1000. 6Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
31、e from IHS-,-,-MIL-DTL-12235A (MR) FIGURE II - PP 57-mm, M1001. 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) FIGURE III - PP 57-mm, M1001A 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
32、rom IHS-,-,-MIL-DTL-12235A (MR) FIGURE IV - PP 75-mm, M1002. 9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) FIGURE V - PP 75-mm, M1002A. 10Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
33、 IHS-,-,-MIL-DTL-12235A (MR) FIGURE VI - PP 90-mm, M1003. 11Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) FIGURE VII - PP 105-mm, M1004. 12Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
34、 IHS-,-,-MIL-DTL-12235A (MR) FIGURE VIII - PP 20-mm, M1005. 13Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (MR) 3.1.1.4.2 Application. Rotating bands shall be applied cold and in the fully annealed condition. The band shall be in th
35、e form of a solid ring, carefully pressed into the band seat so as to fill it completely and to fit it tightly. The application shall be in such a manner as not to distort the body of the projectile (see 4.4.1). 3.1.1.4.3 Protection. The machined rotating band shall not be nicked, burred, or otherwi
36、se damaged. 3.1.1.4.4 Clearance. After seating of the rotating band, the clearance between band and band seat shall not exceed 0.006 inches. 3.1.1.5 Cleaning prior to painting. The projectile surface to be painted shall be cleaned by one of the methods specified in TT-C-490 unless otherwise specifie
37、d in the contract or purchase order (see 6.2). After cleaning, the surfaces shall not be re-contaminated prior to painting and after painting shall meet the requirements specified in the contract or purchase order (see 6.2) 3.1.2 Aluminum proofing -projectiles. All aluminum proofing-projectiles shal
38、l be made from aluminum alloy 1100 Temper 0 in accordance with Table III. 3.1.2.1 Processing and composition. 3.1.2.1.1 Processing. The composition and heat treatment, when required, shall be at the option of the contractor and shall be specified in the contract or purchase order (see 6.2). 3.1.2.1.
39、2 Statement of analysis. The chemical analysis of aluminum shall be furnished with each lot of projectiles supplied. 3.1.2.2 Aluminum quality. The quality of the aluminum used in projectiles shall be as indicated in the contract or purchase order (see 6.2). 3.1.2.3 Mechanical properties. Unless othe
40、rwise specified in the contract or order (see 6.2 and 6.3), the mechanical properties of the test specimen taken in the longitudinal direction shall meet the minimum mechanical properties listed in Table IV. TABLE IV. Minimum mechanical properties. Tensile Strength, Ksi Yield Strength, 0.2% Offset,
41、Ksi Elongation percent 13.0 5.00 35 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as conformance inspection (see 4.2). 14Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-12235A (
42、MR) 4.2 Conformance inspection. The supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified (see 6.2), the supplier shall utilize his own or any other inspection facilities and services acceptable to the Government. Inspection rec
43、ords of the examination and tests shall be kept complete and available to the Government as specified in the contract or purchase order (see 6.2). The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure
44、that supplies and services conform to prescribed requirements. 4.2.1 Inspection terms and definitions. Reference shall be made to ASQCA8402 to define the inspection terms used. 4.2.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed in accordance with IS
45、O 17025. 4.3 Sampling. 4.3.1 Lot. A lot shall consist of all the projectiles made of bar stock from a single heat of steel or aluminum, as applicable, and shall have the same heat treatment. 4.3.2 Submittal of product. Unless otherwise specified in the contract or purchase order (see 6.2) the contra
46、ctor shall submit the product in accordance with MIL-STD-1916. 4.3.3 Examination. Examination shall be performed for the requirements of 3.1.1.2, 3.1.1.3, 3.1.1.4, 3.1.1.5, 3.1.2.2, 3.1.2.3, 3.1.2.4, and 3.1.2.5 in accordance with MIL-STD-1916 with the specific acceptance level that is specified in
47、the contract or purchase order (see 6.2). All nonconforming material shall be rejected. 4.3.4 Inspection testing. The following tests shall be performed in accordance with the provisions of 4.4 except as provided in ISO 9001. 4.3.4.1 Material composition. A sample shall be selected for chemical anal
48、ysis from the bars used for manufacturing of the projectiles prior to machining or from sufficient parts prior to heat-treating to form a sample of at least 2 ounces. Failure to comply with the requirements of 3.1.1 or 3.2.1 shall be cause for rejection of the lot. 4.3.4.2 Quality. Each lot of material shall be inspected for quality as specified in the contract or purchase order (see 3.1.1.2, 3.1.2.2, and 6.2). 4.3.4.3 Hardness. A hardness
