SAE AMS 4617-2011 Aluminum Alloy Extrusions 5 6Zn - 2 5Mg - 1 6Cu - 0 23Cr (7075-T73 7075-T73511 7075-T73510) Solution Heat Treated Stress Relieved by Stretching when required and .pdf

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1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there

2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2011 SAE International All rights reserved. No part of this publication m

3、ay be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside U

4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS4617AEROSPACEMATERIALSPECIFICATIONAMS4617 Issued 2011-07 Aluminum Alloy, Extrusions 5.6Zn

5、- 2.5Mg - 1.6Cu - 0.23Cr (7075-T73, 7075-T73511, 7075-T73510) Solution Heat Treated, Stress Relieved by Stretching when required, and Overaged (Composition similar to UNS A97075)RATIONALE AMS4617 is a new specification which combines 7075-T73, T73510, and T73511 tempers into one document to facilita

6、te cancellation of AMS-QQ-A-200/11. Properties are also added for thin (0.040 to 0.062 inch) extrusions. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of extruded bars, rods, wire, shapes, and tubing. 1.2 Application These extrusions have been used typically for parts sub

7、ject to excessive warpage during machining and for parts requiring high strength and resistance to stress-corrosion cracking, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this s

8、pecification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall app

9、ly. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2355 Quality Assurance, Sampling and Testing, Aluminum Alloys and Magnesium Alloy, Wrought Products (E

10、xcept Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SA

11、E AMS4617 Page 2 of 7 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B 594 Ultrasonic Inspection of Aluminum-Alloy Wrought Products for Aerospace Applications ASTM B 660 Packaging/P

12、acking of Aluminum and Magnesium Products ASTM B 666/B 666M Identification Marking of Aluminum and Magnesium Products 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.ANSI H 35.2 Dimensional Tole

13、rances for Aluminum Mill Products ANSI H 35.2M Dimensional Tolerances for Aluminum Mill Products (Metric) 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined in accordance with AMS2355. TABLE 1 - COMPOSITION Element min max Silicon - 0.40

14、 Iron - 0.50 Copper 1.2 2.0 Manganese - 0.30Magnesium 2.1 2.9 Chromium 0.18 0.28 Zinc 5.1 6.1 Titanium - 0.20Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminum remainder 3.2 Condition Solution heat treated, stress relieved by stretching to produce a nominal permanent set of 1.5%, but

15、not less than 1% nor more than 3%, and precipitation heat treated to the T73511 or T73510 temper (See AS1990). Heat treatments shall be performed in accordance with AMS2772. 3.2.1 The T73511 temper shall be supplied unless T73510 is specified. When T73 is specified, the stress relief by stretching m

16、ay be omitted and the T73 temper supplied if the stretching is not practical due to the shape of the extrusion. 3.2.2 Extrusions supplied in the T73 or T73511 temper may receive minor straightening, after stretching, of an amount necessary to meet the requirements of 3.5. Copyright SAE International

17、 Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4617 Page 3 of 7 3.2.3 Extrusions supplied in the T73510 temper shall receive no straightening after stretching. 3.2.4 Extrusions shall be supplied with an as-extruded sur

18、face finish; light polishing to remove minor surface imperfections is permissible provided such imperfections can be removed within the dimensional tolerances. 3.3 Properties Extrusions shall conform to the following requirements, determined on the mill produced size in accordance with AMS2355: 3.3.

19、1 Tensile Properties 3.3.1.1 Longitudinal Shall be as shown in Table 2. TABLE 2A - MINIMUM LONGITUDINAL TENSILE PROPERTIES, INCH/POUND UNITS Nominal Diameter or Least Thickness and Area (Bars, Rods, Wire, Shapes) or Nominal Wall Thickness and Area (Tubing) Inches TensileStrengthksi Yield Strengthat

20、0.2% Offsetksi Elongation in 4D %0.040 to 0.061, incl Area up to 20 square inches, incl 67.0 59.0 8 0.062 to 0.249, incl Area up to 20 square inches, incl 68.0 58.0 7 Over 0.249 to 1.499, incl Area up to 25 square inches, incl 70.0 61.0 8 Over 1.499 to 2.999, incl Area up to 25 square inches, incl 6

21、9.0 59.0 8 Over 2.999 to 4.499, incl Area up to 20 square inches, incl 68.0 57.0 7 Area over 20 to 32 square inches, incl 65.0 55.0 7 TABLE 2B - MINIMUM LONGITUDINAL TENSILE PROPERTIES, SI UNITS Nominal Diameter or Least Thickness and Area (Bars, Rods, Wire, Shapes) or Nominal Wall Thickness and Are

22、a(Tubing) MillimetersTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in 4D %1.01 to 1.56, incl Area up to 129 cm2, incl 462 407 8 1.57 to 6.32, incl Area up to 129 cm2, incl 469 400 7 Over 6.32 to 38.07, incl Area up to 161 cm2, incl 483 421 8 Over 38.07 to 76.17, incl Area up to 161 cm2

23、, incl 476 407 8 Over 76.17 to 114.27, incl Area up to 129 cm2, incl 469 393 7 Area over 129 to 206 cm2, incl 448 379 7 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4617 Page 4 of 7 3.3.1.2

24、 Long-Transverse Rectangular bars and shapes, tested in the long-transverse direction, shall meet the requirements of Table 3. TABLE 3A - MINIMUM LONG-TRANSVERSE TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness and Area Inches TensileStrengthksi Yield Strengthat 0.2% Offsetksi Elongation in 4D

25、 %0.062 to 0.249, incl Area up to 20 square inches, incl 65.0 55.0 3 Over 0.249 to 0.499, incl Area up to 20 square inches, incl 67.0 58.0 4 Over 0.499 to 0.749, incl Area up to 25 square inches, incl 66.0 57.0 4 Over 0.749 to 1.499, incl Area up to 25 square inches, incl 66.0 56.0 4 Over 1.499 to 2

26、.999, incl Area up to 25 square inches, incl 63.0 52.0 4 Over 2.999 to 4.499, incl Area up to 20 square inches, incl 60.0 48.0 3 Area over 20 to 32 square inches, incl 57.0 46.0 3 TABLE 3B - MINIMUM LONG-TRANSVERSE TENSILE PROPERTIES, SI UNITS Nominal Thickness and Area MillimetersTensileStrengthMPa

27、Yield Strengthat 0.2% OffsetMPaElongation in 4D %1.57 to 6.32, incl Area up to 129 cm2, incl 448 379 3 Over 6.32 to 12.67, incl Area up to 129 cm2, incl 462 400 4 Over 12.67 to 19.02, incl Area up to 161 cm2, incl 455 393 4 Over 19.02 to 38.07, incl Area up to 161 cm2, incl 455 386 4 Over 38.07 to 7

28、6.17, incl Area up to 161 cm2, incl 434 358 4 Over 76.17 to 114.27, incl Area up to 129 cm2, incl 414 331 3 Area over 129 to 206 cm2, incl 393 317 3 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SA

29、E AMS4617 Page 5 of 7 3.3.1.3 Short-Transverse Bars, rods, and shapes, tested in the short-transverse direction, shall meet the requirements of Table 4. TABLE 4A - MINIMUM SHORT-TRANSVERSE TENSILE PROPERTIES, INCH/POUND UNITS Nominal Diameter or Least Thickness, and Area Inches TensileStrengthksi Yi

30、eld Strengthat 0.2% Offsetksi Elongation in 4D %1.500 to 2.999, incl Area up to 25 square inches, incl 60.0 48.0 2 Over 2.999 to 4.499, incl Area up to 20 square inches, incl 57.0 44.0 2 Area over 20 to 32 square inches, incl 54.0 41.0 2 TABLE 4B - MINIMUM SHORT-TRANSVERSE TENSILE PROPERTIES, SI UNI

31、TS Nominal Thickness and Area MillimetersTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongation in 4D %38.10 to 76.17, incl Area up to 161 cm2, incl 414 331 2 Over 76.17 to 114.27, incl Area up to 161 cm2, incl 393 303 2 Area over 129 to 206 cm2, incl 372 283 2 3.3.2 Conductivity Shall be as fo

32、llows, determined on the surface of the sample: 3.3.2.1 If the conductivity is 40.0% IACS (International Annealed Copper Standard) (23.2 MS/m) or higher and the longitudinal tensile properties meet specified requirements, the product is acceptable. 3.3.2.2 If the conductivity is 38.0 to 39.9% IACS (

33、22.0 to 23.1 MS/m), if the longitudinal tensile properties meet specified requirements, and if the longitudinal yield strength does not exceed the specified minimum by more than 11.9 ksi (82 MPa), the product is acceptable. 3.3.2.3 If the conductivity is below 40.0% IACS (23.2 MS/m) and the longitud

34、inal yield strength exceeds the specified minimum by more than 11.9 ksi (82 MPa), the product shall be given additional overaging heat treatment. If, after such treatment, the product meets the requirements of 3.3.1 and 3.3.2.1 or 3.3.2.2, the product is acceptable. 3.3.2.4 If the conductivity is be

35、low 38.0% IACS (22.0 MS/m), the product is not acceptable and shall be reprocessed regardless of property level. 3.3.3 Stress-Corrosion Cracking Resistance Specimens, cut from product 0.750 inch (19.05 mm) and over in nominal thickness, shall show no evidence of stress-corrosion cracking when stress

36、ed in the short-transverse (perpendicular to grain flow) direction to 75% of the specified minimum longitudinal (parallel to grain flow) yield strength. 3.4 Quality Extrusions, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperf

37、ections detrimental to usage of the extrusions. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4617 Page 6 of 7 3.4.1 When specified, extrusions shall be subjected to ultrasonic inspection in

38、 accordance with ASTM B 594 and shall meet the following requirements. 3.4.1.1 Extrusions 0.500 to 1.499 inches (12.70 to 38.07 mm), inclusive, in nominal thickness, and with a maximum width-to-thickness ratio of 10 to 1 shall meet discontinuity Class B. 3.4.1.2 Extrusions over 1.499 inches (38.07 m

39、m) in nominal thickness, and with a maximum width-to-thickness ratio of 10 to 1, shall meet discontinuity Class A. 3.5 Tolerances Shall conform to all applicable requirements of ANSI H35.2 OR ANSI H35.2M. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of extrusions shal

40、l supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the extrusions conform to specified requirements. 4.2 Classification of Tests 4.2.

41、1 Acceptance Tests Composition (3.1), longitudinal tensile properties (3.3.1.1), conductivity (3.3.2), ultrasonic inspection (3.4.1) when specified, and tolerances (3.5) are acceptance tests and, except for composition, shall be performed on each lot. 4.2.2 Periodic Tests Transverse tensile properti

42、es (3.3.1.2 and 3.3.1.3), and stress-corrosion cracking resistance (3.3.3) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The vendor of ex

43、trusions shall furnish with each shipment a report stating that the extrusions conform to the composition and showing the results of tests to determine conformance to the other acceptance test requirements and, when performed, to the periodic test requirements. This report shall include the purchase

44、 order number, lot number, AMS4617, size or section identification number, and quantity. The report shall also identify the mill producer and the size of the mill product. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identification Shall be in acc

45、ordance with ASTM B 666/B 666M. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS4617 Page 7 of 7 5.2 Packaging Extrusions shall be prepared for shipment in accordance with ASTM B 660 and in co

46、mpliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the extrusions to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number in all quotations and when acknowledging purchase orders. 7. R

47、EJECTIONS Extrusions not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have b

48、een made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Terms used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate e