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 theref
2、rom, 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 2010 SAE International All rights reserved. No part of this publication ma
3、y 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 US
4、A) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5608FAEROSPACEMATERIALSPECIFICATIONAMS5608 REV. F Issued 1971-05 Reaffirmed 2006-04 Revised
5、2010-08 Superseding AMS5608E Cobalt Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate 40Co - 22Cr - 22Ni - 14.5W - 0.07La Solution Heat Treated (Composition similar to UNS R30188) RATIONALEAMS5608F revises requirements for tensile testing (3.4.1.1.1, Tables 2 and 3), stress rupture testin
6、g (3.4.4.1), bending (3.4.2),and reports (4.4), and is a Five Year Review and update of this specification. 1. SCOPE 1.1 FormThis specification covers a corrosion and heat resistant cobalt alloy in the form of sheet, strip, and plate. 1.2 ApplicationThese products have been used typically for formed
7、 and drawn parts requiring high strength up to 1800 F (982 C) and oxidation resistance up to 2000 F (1093 C), 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 specification to
8、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 apply. 2.1 SAE Publ
9、ications 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.AMS2262 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Sheet, Strip, and Plate AMS2269 Chemical Check Analysis Limits
10、, Nickel, Nickel Alloys, and Cobalt Alloys AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5608F Page 2 of 7AMS2
11、807 Identification, Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys, Sheet, Strip, Plate, and Aircraft Tubing AS4194 Sheet and Strip Surface Finish Nomenclature 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocke
12、n, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM A 480/A 480M Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet and Strip ASTM E 8/E 8M Tension Testing of Metallic Materials ASTM E 21 Elevated Temperature Tension Tests of Metallic Materials ASTM E 112 Determining Average Grain Size A
13、STM E 139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials ASTM E 290 Bend Testing Material for Ductility ASTM E 354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys 3. TECHNICAL REQUIREMENTS 3.1 Composition
14、Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 354, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1 - COMPOSITION Element min max CarbonManganeseSiliconPhosphorusSulfurChromiumNicke
15、lTungstenLanthanumBoronIronCobalt0.05-0.20-20.0020.0013.000.02 -remainder0.15 1.25 0.50 0.020 0.015 24.0024.0016.000.12 0.015 3.00 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2269. 3.2 Condition The product shall be supplied in the following condition: Pr
16、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5608F Page 3 of 73.2.1 Sheet and Strip Hot rolled or cold rolled, solution heat treated, and, unless solution heat treatment is performed in an atmosphere yielding a bright finish, descaled having
17、a surface appearance comparable to the following commercial corrosion-resistant steel finishes as described in ASTM A 480/A 480M and AS4194, and 3.2.1.1 or 3.2.1.2 as applicable. 3.2.1.1 SheetNo. 2D or better finish. 3.2.1.2 StripNo. 1 or better strip finish. 3.2.2 PlateHot rolled, solution heat tre
18、ated, and descaled. 3.3 Heat Treatment The product shall be solution heat treated by heating to a temperature within the range 2125 to 2250 F (1163 to 1232 C), holding at the selected temperature within 25 F (14 C) for a time commensurate with section thickness, and cooling at a rate equivalent to a
19、ir cooling or faster. 3.3.1 Any thermal treatment following solution heat treatment as in 3.3 shall not involve use of temperatures higher than 2050 F 25 (1121 C 14). 3.4 PropertiesThe product shall conform to the following requirements: 3.4.1 Tensile Properties 3.4.1.1 At Room Temperature Shall be
20、as shown in Table 2, determined in accordance with ASTM E 8/E 8M. 3.4.1.1.1 For product 0.010 inch (0.25 mm) and under in nominal thickness, properties may be established using a sample up to 0.025 inch (0.64 mm) in nominal thickness from the same master coil and heat. The suppliers certification of
21、 test shall indicate the thickness at which the tensile test was performed TABLE 2A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inch TensileStrengthksiYield Strength at 0.2% Offset ksiElongation in 2 Inches or 4D %Up to 0.010, incl Over 0.010. to 0.020, incl Over 0.020 125125125
22、555555Report4045TABLE 2B - MINIMUM TENSILE PROPERTIES, SI UNITS Nominal Thickness MillimeterTensileStrengthMPaYield Strength at 0.2% Offset MPaElongation in 50.8 mm or 4D %Up to 0.25, incl Over 0.25 to 0.51, incl Over 0.51 862862862379379379Report4045Provided by IHSNot for ResaleNo reproduction or n
23、etworking permitted without license from IHS-,-,-SAE AMS5608F Page 4 of 73.4.1.2 At 1200 F (649 C) Shall be as shown in Table 3, determined in accordance with ASTM E 21 on specimens heated to 1200 F 5 (649 C 3), held at heat for not less than 20 minutes before testing, and tested at 1200 F 5 (649 C
24、3). 3.4.1.2.1 For product 0.010 inch (0.25 mm) and under in nominal thickness, properties may be established using a sample up to 0.025 inch (0.64 mm) in nominal thickness from the same master coil and heat. The suppliers certification of test shall indicate the thickness at which the tensile test w
25、as performedTABLE 3A - MINIMUM TENSILE PROPERTIES, INCH/POUND UNITS Nominal Thickness Inch TensileStrengthksiYield Strength at 0.2% Offset ksiElongation in2 Inches or 4D %Up to 0.010, incl Over 0.010 to 0.020, incl Over 0.020 90909036.036.036.0Report4050TABLE 3B - MINIMUM TENSILE PROPERTIES, SI UNIT
26、S Nominal Thickness MillimeterTensileStrengthMPaYield Strength at 0.2% Offset MPaElongation in 50.8 mm or 4D %Up to 0.25, incl Over 0.25 to 0.51, incl Over 0.51 621621621248248248Report40503.4.2 BendingProduct 0.1874 inch (4.760 mm) and under in nominal thickness shall be tested in accordance with A
27、STM E 290 using a sample prepared nominally 0.75 inch (19.0 mm) in width with its axis of bending parallel to the direction of rolling and shall withstand without cracking when bending at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 4 tim
28、es the nominal thickness of the product. In case of dispute, the results of tests using the guided bend test of ASTM E 290 shall govern. TABLE 4 - BENDING PARAMETERS Nominal Thickness Inch Nominal Thickness MillimetersBendFactorUp to 0.050, incl Over 0.050 to 0.1874, incl Up to 1.27, incl Over 1.27
29、to 4.760, incl 1.5 2 3.4.3 Average Grain Size Shall be ASTM No. 4 or finer, determined in accordance with ASTM E 112. 3.4.4 Stress-Rupture Properties at 1700 F (927 C) A tensile specimen, maintained at 1700 F 3 (927 C 2) while the load required to produce the initial axial stress shown in Table 5 or
30、 higher stress is applied continuously, shall not rupture in less than 23 hours. The test shall be continued to rupture without change of load. Elongation after rupture, measured at room temperature, shall be as specified in Table 5. Tests shall be conducted in accordance with ASTM E 139. Provided b
31、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5608F Page 5 of 7TABLE 5A - STRESS-RUPTURE PROPERTIES, INCH/POUND UNITS Nominal Thickness InchesStress ksiElongation in2 Inches or 4D %, min Up to 0.020, incl Over 0.020 9.0 11.08 15TABLE 5B - STRESS-RUPTU
32、RE PROPERTIES, SI UNITS Nominal Thickness MillimeterStress MPaElongation in50.8 mm or 4D %, min Up to 0.51, incl Over 0.51 62.175.88 153.4.4.1 The test of 3.4.4 may be conducted using incremental loading. In such case, the load required to produce the applicable initial axial stress specified in Tab
33、le 5 or higher stress shall be used to rupture or for 23 hours, whichever occurs first. After the 23 hours and at intervals of 8 hours minimum, thereafter, the stress shall be increased in increments of 2.0 ksi (13.8 MPa). Time to rupture and elongation requirements shall be as specified in 3.4.4. 3
34、.4.4.2 For product 0.010 inch (0.25 mm) and under in nominal thickness, stress rupture properties may be established using a sample up to 0.025 inch (0.64 mm) in nominal thickness from the same master coil and heat. The suppliers certification of test shall indicate the thickness at which the stress
35、 rupture test was performed.3.4.5 Oxidation Resistance A specimen representing each heat shall be prepared in accordance with 3.4.5.1, tested in accordance with 3.4.5.2, and meet the requirements of 3.4.5.3. 3.4.5.1 Specimens shall have not less than 1.5 square inch (9.7 cm2) test surface in excess
36、of material required for fixturing. Test surfaces shall be hand polished, using 120 grit or finer silicon carbide paper, and degreased. Specimens may be fixtured during test by insertion into inert ceramic brick or by suspension from inert ceramic rods. Specimens shall not be placed in crucibles. 3.
37、4.5.2 Specimens shall be subjected to four cycles; each cycle shall consist of heating to a temperature within the range 2000 to 2100 F (1093 to 1149 C), holding at the selected temperature within 25 F (14 C) for 25 hours 1, and air cooling to 300 F (149 C) or lower between cycles. Heating shall be
38、performed in a furnace which provides natural convection air flow such that test surfaces are equally exposed. 3.4.5.3 A polished cross-section, examined at not lower than 500X magnification, shall have not more than 0.0015 inch (0.038 mm) average affected metal (that metal converted to oxide scale
39、plus any continuous intergranular oxidation) per side. 3.5 QualityThe product, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility fo
40、r Inspection The vendor of the product shall 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 product conforms to specified requi
41、rements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5608F Page 6 of 74.2 Classification of Tests All technical requirements are acceptance tests and shall be performed on each heat or lot as applicable. 4.3 Sampling and Testing Shall be i
42、n accordance with AMS2371 and as specified in 3.4.5. 4.4 ReportsThe vendor of the product shall furnish with each shipment a report showing the results of tests for composition and oxidation resistance of each heat and for room temperature and 1200 F (649 C) tensile, bending, average grain size, and
43、 stress-rupture properties of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS5608F, product form, size, and quantity. 4.5 Resampling and Retesting Shall be in accordance with AMS2371 a
44、nd as specified in 3.4.5. 5. PREPARATION FOR DELIVERY 5.1 IdentificationShall be in accordance with AMS2807. 5.2 PackagingThe product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, a
45、nd transportation of the product to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this specification, or to modi
46、fications 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 been made to the previous issue of this document. An (R) symbol to the
47、 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
48、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 information. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS5608F Page 7 of 78.4 Purchase documents should specify not less than the following: AMS5608FProduct form and size of product desired Quantity of product desired. PREPARED BY AM
