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 2013 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/AMS5678F AEROSPACE MATERIAL SPECIFICATION AMS5678 REV. F Issued 1975-06 Revised 2
5、002-11 Reaffirmed 2013-10 Superseding AMS5678E Steel, Corrosion Resistant, Wire 17Cr - 7.1Ni - 1.1Al Cold Drawn, Precipitation-Hardenable (Composition similar to UNS S17700) RATIONALE AMS5678F has been reaffirmed to comply with the SAE five year review policy. 1. SCOPE:1.1 Form: This specification c
6、overs a corrosion-resistant steel in the form of wire, cold drawn to Condition C and capable of being precipitation heat treated to Condition CH900.1.2 Application: This wire has been used typically for springs requiring corrosion resistance and resistance to permanent set up to 600 F (316 C), but u
7、sage is not limited to such applications. Where parts require welding during fabrication, strength of this cold-drawn wire will be impaired.2. APPLICABLE DOCUMENTS: The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent speci
8、fied 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 nosuperseding document has been specified, the last published issue of that document shall apply.2.1 SAE Publications: Availabl
9、e from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and WireMAM 2241 Tolerances, Metric, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars a
10、nd WireAMS 2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron AlloysSAE INTERNATIONAL AMS5678F Page 2 of 9 2.1 (Continued):AMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and All
11、oys, Wrought Products and Forging StockAMS 2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or www.astm.org
12、.ASTM A 370 Mechanical Testing of Steel ProductsASTM E 3 Preparation of Metallographic SpecimensASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall conform to the percentages by weight sho
13、wn in Table 1, determined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser.3.1.1 Check Analysis: Composition variations shall meet the applicable requirements of AMS 2248.3.2 Condition: Solution heat treated and
14、 cold reduced to the required size (Condition C) to meet the requirements of 3.3.1 and 3.3.2.TABLE 1 - CompositionElement min maxCarbonManganeseSiliconPhosphorusSulfurChromiumNickelAluminumMolybdenumCopper-16.06.500.75-0.09 1.00 1.00 0.0400.03018.00 7.75 1.50 0.75 0.50SAE INTERNATIONAL AMS5678F Page
15、 3 of 9 3.2.1 Wire ordered for coiling on automatic spring-winding machines shall be coated with a suitable lubricant. 3.3 Properties: Wire shall conform to the following requirements; tensile and wrapping testing shall be performed in accordance with ASTM A 370:3.3.1 As Received (Condition C): 3.3.
16、1.1 Tensile Properties: Shall be as shown in Table 2.TABLE 2A - Tensile Strength, Condition C, Inch/Pound UnitsNominal DiameterInchTensileStrengthksi, minTensileStrengthksi, max0.007 to 0.010, inclOver 0.010 to 0.015, inclOver 0.015 to 0.020, inclOver 0.020 to 0.025, inclOver 0.025 to 0.029, inclOve
17、r 0.029 to 0.041, inclOver 0.041 to 0.051, inclOver 0.051 to 0.061, inclOver 0.061 to 0.071, inclOver 0.071 to 0.086, inclOver 0.086 to 0.090, inclOver 0.090 to 0.100, inclOver 0.100 to 0.106, inclOver 0.106 to 0.130, inclOver 0.130 to 0.138, inclOver 0.138 to 0.146, inclOver 0.146 to 0.162, inclOve
18、r 0.162 to 0.180, inclOver 0.180 to 0.207, inclOver 0.207 to 0.225, inclOver 0.225 to 0.306, inclOver 0.306 to 0.440, inclOver 0.440 to 0.625, incl284281275270265260255250242240230227223221215213211209207203198192187313310305300295290285280272270260257253251245243241239237233228222217SAE INTERNATION
19、AL AMS5678F Page 4 of 9 3.3.1.2 Wrapping: Wire shall withstand, without cracking, wrapping at 77 F 9 (25 C 5) one full turn around a diameter equal to the nominal diameter of the wire.3.3.1.3 Coiling: Wire shall show a uniform pitch with no splits or fractures when wound in a tightly closed coil on
20、an arbor of size shown in Table 3 and the resultant coil stretched to a permanent set of 4 times its as-wound length. This requirement shall apply only to wire having a nominal diameter of 0.125 inch (3.18 mm) and under.TABLE 2B - Tensile Strength, Condition C, SI UnitsNominal DiameterMillimetersTen
21、sileStrengthMPa, minTensileStrengthMPa, max0.18 to 0.25, inclOver 0.25 to 0.38, inclOver 0.38 to 0.51, inclOver 0.51 to 0.64, inclOver 0.64 to 0.74, inclOver 0.74 to 1.04, inclOver 1.04 to 1.30, inclOver 1.30 to 1.55, inclOver 1.55 to 1.80, inclOver 1.80 to 2.18, inclOver 2.18 to 2.29, inclOver 2.29
22、 to 2.54, inclOver 2.54 to 2.69, inclOver 2.69 to 3.30, inclOver 3.30 to 3.50, inclOver 3.50 to 3.71, inclOver 3.71 to 4.11, inclOver 4.11 to 4.57, inclOver 4.57 to 5.26, inclOver 5.26 to 5.72, inclOver 5.72 to 7.77, inclOver 7.77 to 11.18, inclOver 11.18 to 15.88, incl195819371896186218271793175817
23、2416691655158615651538152414821469145514411427140013651324128921582137210320682034200019651931187518621793177217441731168916751662164816341607157215311496SAE INTERNATIONAL AMS5678F Page 5 of 9 3.3.2 After Precipitation Heat Treatment: Shall be as follows, determined on wire precipitation heat treate
24、d to Condition CH900 by heating to 900 F 10 (482 C 6), holding at heat for 60 minutes 5, and cooling in air.3.3.2.1 Tensile Properties: Shall be as shown in Table 4.TABLE 3A - Coiling Parameters, Inch/Pound UnitsNominal DiameterInchArbor DiameterInch0.016 to 0.024, inclOver 0.024 to 0.034, inclOver
25、0.034 to 0.045, inclOver 0.045 to 0.055, inclOver 0.055 to 0.078, inclOver 0.078 to 0.125, incl0.0670.1020.1450.2120.2500.328TABLE 3B - Coiling Parameters, SI UnitsNominal DiameterMillimetersArbor DiameterMillimeters0.41 to 0.61, inclOver 0.61 to 0.86, inclOver 0.86 to 1.14, inclOver 1.14 to 1.40, i
26、nclOver 1.40 to 1.98, inclOver 1.98 to 3.18, incl1.702.593.685.386.358.33SAE INTERNATIONAL AMS5678F Page 6 of 9 TABLE 4A - Tensile Strength, Condition CH900, Inch/Pound UnitsNominal DiameterInchTensileStrengthksi, minTensileStrengthksi, max0.007 to 0.010, inclOver 0.010 to 0.015, inclOver 0.015 to 0
27、.020, inclOver 0.020 to 0.025, inclOver 0.025 to 0.029, inclOver 0.029 to 0.041, inclOver 0.041 to 0.051, inclOver 0.051 to 0.061, inclOver 0.061 to 0.071, inclOver 0.071 to 0.086, inclOver 0.086 to 0.090, inclOver 0.090 to 0.100, inclOver 0.100 to 0.106, inclOver 0.106 to 0.130, inclOver 0.130 to 0
28、.138, inclOver 0.138 to 0.146, inclOver 0.146 to 0.162, inclOver 0.162 to 0.180, inclOver 0.180 to 0.207, inclOver 0.207 to 0.225, inclOver 0.225 to 0.306, inclOver 0.306 to 0.440, inclOver 0.440 to 0.625, incl343340335330325320310305297292282279274272260258256254252248242235230373370365360355350340
29、335327322312309304302290288286284282278272265260SAE INTERNATIONAL AMS5678F Page 7 of 9 3.3.2.2 Microstructure: Wire shall exhibit a martensitic microstructure having no circumferential surface layer of retained austenite of depth equal to or greater than 0.002 inch (0.05 mm) or 5% of the wire diamet
30、er, whichever is smaller, and extending more than 45 degrees in any continuous arc, determined on a cross-section which is metallographically prepared in accordance with ASTM E 3, etched with Frys Reagent (See 8.2), and examined at 100X magnification. Random patches of internal retained austenite, e
31、specially near the center of large diameter wire, are acceptable.3.4 Quality: 3.4.1 Wire, as received by purchaser, shall be uniform in quality and condition, cylindrical, clean unless lubricated as in 3.2.1, and free from twists, splits, seams, and other imperfections detrimental to usage of the wi
32、re.TABLE 4B - Tensile Strength, Condition CH900, SI UnitsNominal DiameterMillimetersTensileStrengthMPa, minTensileStrengthMPa, max0.18 to 0.25, inclOver 0.25 to 0.38, inclOver 0.38 to 0.51, inclOver 0.51 to 0.64, inclOver 0.64 to 0.74, inclOver 0.74 to 1.04, inclOver 1.04 to 1.30, inclOver 1.30 to 1
33、.55, inclOver 1.55 to 1.80, inclOver 1.80 to 2.18, inclOver 2.18 to 2.29, inclOver 2.29 to 2.54, inclOver 2.54 to 2.69, inclOver 2.69 to 3.30, inclOver 3.30 to 3.50, inclOver 3.50 to 3.71, inclOver 3.71 to 4.11, inclOver 4.11 to 4.57, inclOver 4.57 to 5.26, inclOver 5.26 to 5.72, inclOver 5.72 to 7.
34、77, inclOver 7.77 to 11.18, inclOver 11.18 to 15.88, incl2365234423102275224122062137210320482013194419241889187517931779176517511738171016691620158625722551251724822448241323442310225522202151213120962082200019861972195819441917187518271793SAE INTERNATIONAL AMS5678F Page 8 of 9 3.4.2 The surface of
35、 the wire shall have a smooth, cold-drawn finish free from pits, abrasions, scrapes, and other surface imperfections.3.5 Tolerances: Shall conform to all applicable requirements of AMS 2241 or MAM 2241.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of wire shall suppl
36、y 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 wire conforms to specified requirements.4.2 Classification of Tests: 4.2.1 Acceptance
37、 Tests: Composition (3.1), tensile properties (3.3.1.1 and 3.3.2.1), wrapping (3.3.1.2), coiling (3.3.1.3), quality (3.4.1 and 3.4.2), and tolerances (3.5) are acceptance tests and shall be performed on each heat or lot as applicable.4.2.2 Periodic Tests: Microstructure (3.3.2.2) is a periodic test
38、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 AMS 2371.4.4 Reports: The vendor of wire shall furnish with each shipment a report showing the results of tests for composition of
39、each heat and for tensile properties of Conditions C and CH900, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS 5678F, nominal size, and quantity.4.5 Resampling and Retesting: Shall be in accord
40、ance with AMS 2371.5. PREPARATION FOR DELIVERY: 5.1 Wire shall be supplied in coils, on reels, on spools, or in straight lengths, as ordered.5.2 Identification: Shall be in accordance with AMS 2806.SAE INTERNATIONAL AMS5678F Page 9 of 9 5.3 Packaging: Wire shall be prepared for shipment in accordanc
41、e with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the wire to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all q
42、uotations and when acknowledging purchase orders.7. REJECTIONS: Wire not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES: 8.1 A change bar ( | ) located in the left margin is for the convenience of the user in locating areas where
43、technical revisions, not editorial changes, have been made to the previous issue of this specification. An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical revisions. Change bars and (R) are not used in original publications, nor in
44、 specifications that contain editorial changes only.8.2 Frys Reagent: 5 g CuCI240 mL HCl, reagent grade30 mL distilled water25 mL ethanol8.3 Terms used in AMS are clarified in ARP1917.8.4 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and proper
45、ties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.8.5 Purchase documents should specify not less than the following:AMS 5678FNominal size of wire desiredForm (coils, reels, spools, or straight lengths) of wire desiredIf applicable, a requirement for lubricant (See 3.2.1)Quantity of wire desired.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “F“
