1、MIL-C-22226A (OS) 22 February 1973 SUPERSEDING MIL-C-22226 (Nord) 9 November 1959 MI LITARY SPEC1 FI CAT ION COPPER-NICKEL-MANGANESE ALLOY BARS, PLATES, AND SHEETS, LOW MAGNETIC EFFECT (FOR SPECIAL PURPOSE TOOLS AND EQUIPMENT) This specification has been approved by the Naval rdmnce Systems Command,
2、 Department of the Navy. 1. SCOPE 1.1 Scope. This specification covers a 60-percent copper, 20-percent nickel, 20-percent manganese alloy (see table I) having low magnetic permeability and capable of developing high strengths by heat treatment. (See 6.1.) 1.2 Classification. The copper-nickel-mangan
3、ese alloy covered by this specification shall be of one composition and shall be furnished in the following forms and tempers, as specified (see 6.2) : Form : 1. Bar 2. Plate 3. Sheet Temper : Condition R. Hot rolled Condition A. Hot rolled and solution treated Condition H. Hot rolled, solution trea
4、ted, and cold worked. 2, APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invita- tion for bids or request for proposal form a part of this specification to the extent specified herein. ,e . Provided by IHSNot for ResaleNo reproduction or networking permitted withou
5、t license from IHS-,-,-MIL- C- 2 22 26A (OS) SPECIFICATIONS Military MI L- P- 39 9 3 Copper and Copper-Base Alloy Mill Products, Packaging of MI L-hi- 19 59 5 Magnetic Effect Limits for Non-Magnetic Equip- ment Used in the Proximity of Magnetic Influ- ence Ordnance STANBA RDC Fe dera 1 FED-STD- 151
6、Metals ; Test Methods Military MIL-STD-IO5 E.1I.L-STD-129 Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should be
7、obtained from the procuring activity or as directed by the contracting officer, ) 3, REQUIREMENTS 3.1 Material. The raw materials used shall be such as to produce copper-base alloy bars, plates, and sheets in compliance with the requirements of this specification. 3.2 Chemical composition. The chemi
8、cal composition of copper base alloy bars, plates, and sheets shall conform to the requirements shown in table I. ing the percentage of each of the elements specified in table I. The contractor shall furnish an analysis of each lot show- 3.3 Magnetic effect. Material covered by this specification sh
9、all comply with the requirements of MIL-M- 19595 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2222bA 75 m 7777706 OLL7878 L m MI L-C- 2 2226A (OS) Table I CHEMICAL COMPOSITION Element Weight percent Copper Remainder Nickel 19 - 21 Manganes
10、e 19 - 21 I ron 0.15, max. Other 0.15, max. 3.4 Dimensions and tolerances. Dimensions and tolerances of bars, plates, and sheets shall be as specified in the contract or order (see 6.2). 3.5 Workmanship. Bars, plates, and sheets shall be uniform in quality and condition, shall be clean, sound, and s
11、mooth, and shall be free rom injurious defects including foreign material, pipes, slivers, laps, cracks, twists, scale, damaged ends, corners, or edges, which due to their nature, degree, or extent, detrimentally affect the suitability of the material for the purpose intended. 4. QUALITY .ASSURANCE
12、PROVISIONS AND TEST REQUIREMENTS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the perfor- mance of all- inspection requirements as specified herein. otherwise specified in the contract or order, the supplier may use
13、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 any of the inspections set forth in this specification where such inspections are deemed necessary to assur
14、e supplies and services conform to prescribed requirements, Except as 4.2 Lot. A lot shall consist of all material of the same composition, form, and size from the same melt, heat-treated under the same conditions, and submitted for inspection at one time. L 3 Provided by IHSNot for ResaleNo reprodu
15、ction or networking permitted without license from IHS-,-,-MIL-C-22226A (OS) 4,3 Sampling, 4.3.1 For visual and dimensional examination. Sampling of bars, plates, and sheets for visual and dimensional examination shall be in accordance with the provisions of MIL-STD-105, inspection level II, accepta
16、ble quality level (AQL) 1.5 percent defective. 4.3.2 For packaging, packing, and marking. A random sample of bundles, lifts, and shipping containers for the inspection of 4.4.2 shall be selected in accordance with the provisions of MIL-STD-105, inspection level II, AQL 4.0 percent defective. 4.3.3 S
17、ampling for tests. 4.3.3.1 For chemical analysis. Wo samples shall be taken from each melt in accordance with the procedures of FED-STD-151 for chemical analy- sis. obtained, if practicable, from a point representing the topmost central portion of the ingot as cast. Samples shall consist f not less
18、than 4 ounces of drillings 4,3.3,2 For magnetic effect. Sampling of bars, plates, and sheets shall comply with the requirements of MIL-M-19595. 4.4 Inspection. 4.4.1 Visual and dimensional examination. Bars, plates, and sheets shall be inspected to determine conformance to the dimensional require- m
19、ents of 3.4- and the workmanship requirements of 3.5. 4.4.2 Packaging, packing, and marking. The packaging and packing of bars, plates, and sheets and marking of packages and containers shall be inspected for conformance to the requirements of section 5. 4,4,3 Tests. 4.4.3.1 Chemical composition. Sa
20、mples taken in accordance with 4.3.3.1 shall be tested for chemical composition in accordance with the procedures of FED-STD-151 to determine conformance to 3.2. conform to the requirement of 3.2 the lot represented by the sample shall be rejected, _I_ If any sample fails to 4 Provided by IHSNot for
21、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22226A (OS) 4.4.3.2 Magnetic effect. Samples taken in accordance with 43.3.2 shall be tested in accordance with the procedures of MIL-M-19595 to determine conformance to the requirements of 3.3. 4.5 Resubmission of rej
22、ected lots. Rejected lots may be resubmitted for inspections and tests specified herein in accordance with the provi- sions of MIL-STD- 105. 5. PREPARATION FOR DELIVERY 5.1 General requirements. Bars, plates, and sheets shall be packaged or packed in accordance with one of the following levels as sp
23、ecified in the contract or order. of one size and one form and temper. Each package and pack shall contain material 5.2 Preservation and packaging. Preservation and packaging of the bars, plates, and sheets shall be level A or C, as specified, and in accordance with MIL-P-3993. 5.3 Packing. Packing
24、of the bars, plates, and sheets shall be level A, B, or C, as specified, and in accordance with MIL-P-3993. 5.4 Marking. In addition to any special marking specified in the contract or order, marking shall be in accordance with MIL-STD- 129. 6. NOTES 6.1 Intended use. The material covered by this sp
25、ecification is intended for special purpose tools and equipment where minimum magnetic effects are required. The limits of magnetic effect are far more strin- gent than those required for general purpose “nonmagnetic“ tools. 6.2 Ordering data. Procurement documents should specify the following: (a)
26、Title, number, and date of his specification (b) Form and temper of material required (see 1.2) (c) Dimensions and tolerances of bars, plates, and sheets (see 3.4) (d) (e) Level of packaging or packing required (see 5.1) Special marking when required (see 5.4). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-C-2222GA (OS) s- -r - - I shown in table II when heat 1973 -714-543/4120 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
