1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-5223i.1 i.17 m 7977306 0276757 7 m MILT42234 (O*d) TABLE I. Chemical cornposition I Buoy6083 I Alloy6086 Percent Mini- Maxi- mum mum Silicon . 0.40 Iron . 0.40 Copper . 0.10 Manganese . 0.30 1.0 M
2、agnesium . 4.0 4.9 Chromium 0.05 0.25 Zinc . 0.25 !i!it.anium . 0.15 Others, each 0.05 Others, tot.al O. 15 Aluminum Remainder - - Percent Mini- Maxi- mum mum 0.40 0.50 0.10 0.20 0.7 3.5 4.5 0.05 0.25 0.25 0.15 0.05 0.15 Remainder I I 3.1.3.1 Chemical analysis of the individual melts by the contract
3、or may be waived at the discretion of the procuring activity pro- vided the producers method of composition control is acceptable, or provided all material in the lot can be identified as being from melts previously analyzed and found to con- form to the chemical composition require- ments of this s
4、pecification. 3.2 Mechanical properties. 3.2.1 Mechanical properties in the direc- tion of extrusion or drawing shall conform to the requirements of table II. 3.3 Tolerances. The tolerances shall not ex- ceed those specified in Fed. Std. No. 245 for TABLE II. Mechanieal properties-All sizes Tensile
5、strength min, I mnx. Yield strength 1 Alloy I 1 Temper 1 5083 . I of equal quan- tities of chips taken from at least fous rep- resentative pieces and shall represent the fulI csoss-section of the tube. 4.2.2.1 If the producers method of compo- sition control is acceptable, samples for check chemical
6、 analysis may be waived at the dis- cretion of the procuring activity. 4.2.3 Sampling f o mechanical property tests. 4.2.3.1 Number of samples. For material having a nominal weight of less than 1 pound per lineal foot: one sample shall be selected for the fist 500 pounds os fraction thereof, and an
7、additional sample for each additional 1,000 pounds or fraction thereof. For ma- tesial having a nominal weight of l pound OP more per lineal foot: one sample shall be selected for the first 500 feet OF fraction thereof, and an additional sample for each additional 1,000 feet or fraction thereof. 4.3
8、 Test methods. 4.3.1 Examination of product. Each piece of tube shall be ca.refully examined to de- termine conformance with this specification with respect to workmanship. Sufficient spot checks shall be made to insure con- formance to the tolerances specified. On ap- proval of the procuring activi
9、ty, a system of statistical quality control may be used for dimensional and woi-kmanship examina- tion. 4.3.2 Chemical analysis. Chemical analysis shall be made by wet chemical or spectro- graphic methods. In case of dispute, the chemical analysis by wet chemical methods shall be the basis fos accep
10、tance. MLT-52234 (Ord) 4.3 i 3 -M echunicai pro pei-ties . 4.3.3.1 Tensile tests, Tensile psopesties shall be determined in accordance with method 211 of Fed. Test Method Std. No. 151, 4.4 Packaging, packing, and marking shall be inspected for conformance with the re- quirements of 3.4 and section 5
11、. 5. PREPARATION FOR DELIVERY 5.1 The definitions and applications of the levels of packaging and packing shall be in accordance with Standard Fed. Std. No, 102. 5.2 Preservation, packaging, and packing, Unless otherwise specified, all material shall be preserved and packaged, and packed in accosdan
12、ce with Specification MIL-A-20695 (see 6.2). 5.2.1 When the levels of packaging and packing aye not specified, the material shall be packaged and packed in accordance with level C sequirements of Specification MIL 5.3 Marking for shipment. In addition to any special marking sequired in the contract
13、or order, marking for shipment shall be in accordance with Standard MILSTD-129. The shipment marking nomenclature shall be as follows: Tube, Aluminum Alloy -*, Square, *Alloy to be entered by the contractor *Temper to be entered by the contractor *Extruded or drawn to be entered by the A-20695. Seam
14、less, Tempes _ * , _ * contractor 6. NOTES 6.1 Intended use. This tube is intended for use where good strength, weldability, and resistance to stress corrosion cracking are required. 6.2 Ordering data. Procusement documents should specify the following: (a) Title, number, and date of this specifi- (
15、b) Composition, temper, and type (see cation. 1.2). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-52234 (Ord) (c) Length required. (a) Size required. (e) Level of shipment. (f) Special marking, if required. Notice. When Government drawings,
16、 specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Govern- ment thereby incurs no responsibility nor any obli- k U.6. GOVERNMENT PRINTINQ OFFICE: 1962-6SIO46/ 640 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
