SAE AMS 4356-2016 Aluminum Alloy Seamless Drawn Round Tubing 2 3 Cu - 8 0 Zn - 2 0 Mg - 0 16 Zr (7155-T76) Solution Heat Treated and Aged.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 revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2016 SAE International All rights reserved. No part of this p

3、ublication may 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: +1 724-776-497

4、0 (outside USA) 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/AMS4356 AEROSPACE MATERIAL SPECIFICATION AMS4356 Issued 2016-02 Aluminum Alloy Se

5、amless Drawn Round Tubing 2.3 Cu 8.0 Zn 2.0 Mg - 0.16 Zr (7155-T76) Solution Heat Treated and Aged RATIONALE AMS4356 is a new specification for 7155-T76 seamless drawn tube. 1. SCOPE 1.1 Form This specification covers an aluminum alloy in the form of seamless drawn round tubing, having a wall thickn

6、ess of 0.045 to 0.125 inches (1.14 to 3.18 mm) (see 8.4). 1.2 Application This tubing has typically been used for parts requiring high strength alloy 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 orde

7、r forms a part of this specification 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

8、 that document shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2355 Quality Assurance, Sampling and Testing, Aluminum Alloys and Magnesiu

9、m Alloy, Wrought Products (Except Forging Stock), and Rolled, Forged, or Flash Welded Rings AMS2772 Heat Treatment of Aluminum Alloy Raw Materials AS1990 Aluminum Alloy Tempers 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-

10、2959, Tel: 610-832-9585, www.astm.org. ASTM B660 Packaging/Packing of Aluminum and Magnesium Products SAE INTERNATIONAL AMS4356 Page 2 of 5 ASTM B666/B666M Identification Marking of Aluminum and Magnesium Products ASTM G34 Exfoliation Corrosion Susceptibility in 2xxx and 7xxx Series Aluminum Alloys

11、(EXCO Test) ASTM G38 Making and Using C-Ring Stress-Corrosion Test Specimens ASTM G47 Standard Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products 2.3 ANSI Accredited Publications Copies of these documents are available online at http:/web

12、store.ansi.org/. ANSI H35.2 Dimensional Tolerances for Aluminum Mill Products ANSI H35.2M 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 -

13、 Composition Element min max Silicon - 0.25 Iron - 0.25 Copper 2.0 2.6 Manganese - 0.10 Magnesium 1.8 2.3 Chromium - 0.05 Zinc 7.6 8.4 Titanium - 0.10 Zirconium 0.08 0.15 Other Elements, each - 0.05 Other Elements, total - 0.15 Aluminium remainder 3.2 Condition Solution heat treated, and precipitati

14、on heat treated to the -T76 temper (see AS1990). Solution and precipitation heat treatment shall be performed in accordance with AMS2772 as applicable to 7XXX alloys. The actual practices are considered proprietary. 3.2.1 Tubing may receive minor straightening of an amount necessary to meet the requ

15、irements of 3.7. 3.2.2 Tubing shall be supplied with an as-drawn surface finish; light polishing to remove minor surface conditions is permissible provided such conditions can be removed within specified dimensional tolerances. 3.3 Properties Tubing shall conform to the following requirements, deter

16、mined in accordance with AMS2355 on the mill product. SAE INTERNATIONAL AMS4356 Page 3 of 5 3.3.1 Mechanical properties requirements for product outside of the range covered by Table 2 shall be agreed upon between purchaser and producer. 3.3.2 Tensile Properties Shall be as shown in Table 2. Elongat

17、ion values in Table 2 are from full-section specimens. Table 2a - Minimum longitudinal tensile properties, inch/pound units Nominal Wall Thickness Inches Nominal Dimensions Cross-Sectional Area Square Inches Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 inches or 4D % 0.045

18、to 0.125, incl All areas 85.0 82.0 7 Table 2b - Minimum longitudinal tensile properties, SI units Nominal Wall Thickness Millimeters Nominal Dimensions Cross-Sectional Area Square Centimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D % 1.14 to 3.18, incl All

19、areas 586 565 7 3.4 Electrical Conductivity Shall not be less than 36% IACS (International Annealed Copper Standard) (21 MS/m). 3.5 Exfoliation Corrosion Resistance The surface of the tube shall not exhibit exfoliation-corrosion greater than EB as illustrated in Figure 2, of ASTM G34. 3.6 Stress Cor

20、rosion Cracking C-Ring specimens machined according to ASTM G38, shall show no evidence of stress corrosion cracking when tested in accordance with ASTM G47 and stressed in the long-transverse direction at 40 ksi (276 MPa). 3.7 Quality Tubing, as received by purchaser, shall be uniform in quality an

21、d condition, sound, and free from foreign materials and from conditions detrimental to usage of the tubing. 3.7.1 Detrimental conditions include, but are not limited to, cracks, splits, seams, inclusions, folds or severe crosshatching (surface breaks) that cannot be removed by light hand-sanding, us

22、ing 180 grit or finer sandpaper. 3.8 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 producer of the tubing shall supply all samples for producers tests and shall be responsible for the perfor

23、mance 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. SAE INTERNATIONAL AMS4356 Page 4 of 5 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), te

24、nsile properties (3.3.2), electrical conductivity (3.4), quality (3.7), and tolerances (3.8) are acceptance tests and, except for composition, shall be performed on each inspection lot. 4.2.2 Periodic Tests Exfoliation corrosion (3.5) and stress corrosion cracking (3.6) are periodic tests and shall

25、be performed at a frequency determined by the supplier unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2355. 4.4 Reports The producer of tubing shall furnish with each shipment a report stating that the tubing conforms to the chemical co

26、mposition and tolerances and showing the numerical results of tests on each inspection lot to determine conformance to the other acceptance test requirements. This report shall include the purchase order number, inspection lot number, AMS4356, size and quantity. The report shall also identify the pr

27、oducer, product form, producer lot number, and the size of the mill product. 4.4.1 When the product size is outside the range covered by 1.1, the report shall contain a statement to that effect. 4.5 Resampling and Retesting Shall be in accordance with AMS2355. 5. PREPARATION FOR DELIVERY 5.1 Identif

28、ication Shall be in accordance with ASTM B666/B666M. 5.2 Packaging 5.2.1 When specified, tubing shall be coated, prior to shipment, with a light, corrosion-inhibiting oil. 5.2.2 Tubing shall be prepared for shipment in accordance with ASTM B660 and in compliance with applicable rules and regulations

29、 pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification number in all quotations and when acknowledging purchase orders. 7. REJECTIONS Tubing not conforming to this specifi

30、cation, or to modifications authorized by purchaser, will be subject to rejection. SAE INTERNATIONAL AMS4356 Page 5 of 5 8. NOTES 8.1 Revision Indicator 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,

31、have been 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 Te

32、rms 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 equivalents of the primary units and are presented only for informa

33、tion. 8.4 Purchase documents should specify not less than the following: AMS4356 Size of tubing desired Quantity of tubing desired Coated packaging requirements (if required) (see 5.2.1) Property and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1. PREPARED BY AMS COMMITTEE “D”