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 2015 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/AMS4766H AEROSPACE MATERIAL SPECIFICATION AMS4766 REV. H Issued 1954-11 Reaffirme
5、d 2009-06 Revised 2015-11 Superseding AMS4766G Silver Alloy, Brazing Filler Metal 85Ag - 15Mn 1760 to 1780 F (960 to 971 C) Solidus-Liquidus Range UNS P07850 RATIONALE AMS4766H revises permissible methods for determining Composition (3.1), Condition (3.2), Classification of Tests (4.2) and Sampling
6、and Testing (4.3), and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a silver alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, and chips and a viscous mixture (paste) of powder in a suitable binder. 1.2 Application This mate
7、rial has been used typically for joining ferrous metals where strength up to 800 F (427 C) for short-time service or up to 500 F (260 C) for long-time service is required, or for nonferrous metals except those having a base of titanium, aluminum or magnesium, but usage is not limited to such applica
8、tions. 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 specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the refe
9、renced document has been cancelled and no superseding document has been specified, the last published issue of 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-
10、4970 (outside USA), www.sae.org. AMS2222 Tolerances, Copper and Copper Alloy Sheet, Strip, and Plate AMS2224 Tolerances, Copper and Copper Alloy Wire SAE INTERNATIONAL AMS4766H Page 2 of 7 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocke
11、n, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B214 Sieve Analysis of Granular Metal Powders 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1. Methods for analysis shall be by spectrochemical methods or by other methods acceptable to purc
12、haser (see 8.6). Table 1 - Composition Element min max Silver 84.0 86.0 Manganese 14.0 16.0 Other Elements, total (3.1.1) - 0.15 3.1.1 Determination not required for routine acceptance. 3.1.2 The requirements of 3.1 apply to paste after removal of the binder. 3.2 Condition 3.2.1 As fabricated unless
13、 otherwise specified. Paste not containing flux (3.2.1.1) shall be supplied unless paste containing flux (3.2.1.2) is specified. 3.2.1.1 Paste Not Containing Flux Shall consist of 84 to 90% by weight powder in a suitable binder, unless otherwise specified by purchaser. 3.2.1.2 Paste Containing Flux
14、Shall consist of 55 to 80% by weight powder in a suitable binder and flux combination, unless otherwise specified by purchaser. 3.3 Properties Filler metal shall conform to the following requirements: 3.3.1 Color Shall be white. 3.3.2 Flatness When unrolled, strip and foil shall lie flat with no und
15、ue tendency to recoil. 3.3.3 Paste 3.3.3.1 Paste shall have a shelf life of not less than six months from date of manufacture; not more than thorough mixing shall be required to restore paste for use during that time. 3.3.3.2 Paste without flux shall leave no adherent residue when heated in a protec
16、tive atmosphere to 1000 F (538 C) or higher. SAE INTERNATIONAL AMS4766H Page 3 of 7 3.4 Quality The product, as received by purchaser, shall be uniform in color, quality, and condition and free from foreign materials and from imperfections detrimental to usage of the filler metal. Wire, rod, sheet,
17、strip, and foil shall be clean, sound, bright, and free from slivers, splitting, ragged edges, damaged ends, and other injurious imperfections. Pig, powder, shot, and chips shall have a metallic luster. 3.5 Sizes and Tolerances Shall be supplied in the following standard sizes and to the tolerances
18、shown: 3.5.1 Wire and Rod 3.5.1.1 Nominal Diameters Table 2 - Standard diameter sizes Inch Millimeters 0.005 0.062 0.13 1.57 0.007 0.094 0.18 2.39 0.010 0.125 0.25 3.18 0.015 0.175 0.38 4.44 0.025 0.188 0.64 4.78 0.031 0.225 0.79 5.72 0.040 0.250 1.02 6.35 0.047 1.19 3.5.1.2 Diameter Tolerance for D
19、rawn Wire and Rod AMS2224 as applicable to refractory alloys. 3.5.1.3 Diameter Tolerance for Rolled or Extruded Wire and Rod Table 3A - Diameter tolerances, inch/pound units Nominal Diameter or Distance Between Parallel Sides Inch Tolerance, Inch Plus and Minus Rounds Tolerance, Inch Plus and Minus
20、Squares 0.031 to 0.062, incl 0.005 0.008 Over 0.062 to 0.125, incl 0.006 0.009 Over 0.125 to 0.188, incl 0.007 0.009 Over 0.188 to 0.250, incl 0.008 0.010 Table 3B - Diameter tolerances, SI units Nominal Diameter or Distance Between Parallel Sides Millimeters Tolerance, Millimeter Plus and Minus Rou
21、nds Tolerance, Millimeter Plus and Minus Squares 0.79 to 1.57, incl 0.13 0.20 Over 1.57 to 3.18, incl 0.15 0.23 Over 3.18 to 4.78, incl 0.18 0.23 Over 4.78 to 6.35, incl 0.20 0.25 SAE INTERNATIONAL AMS4766H Page 4 of 7 3.5.2 Sheet, Strip, and Foil 3.5.2.1 Nominal Thicknesses Table 4 - Standard thick
22、nesses Inch Millimeter 0.001 0.006 0.025 0.15 0.0015 0.008 0.038 0.20 0.002 0.010 0.05 0.25 0.003 0.014 0.08 0.36 0.004 0.020 0.10 0.51 0.005 0.030 0.13 0.76 3.5.2.2 Tolerances 3.5.2.2.1 Thickness Nominal thicknesses under 0.002 inch (0.05 mm) shall have a tolerance of 0.0002 inch (5 m); nominal thi
23、cknesses 0.002 inch (0.05 mm) and over shall have tolerances conforming to AMS2222 as applicable to refractory alloys. 3.5.2.2.2 Width of Individual Rolls Nominal widths under 6 inches (152 mm) shall vary not more than 0.010 inch (0.25 mm) from the width ordered. Nominal widths 6 inches (152 mm) and
24、 over shall vary not more than 0.015 inch (0.38 mm) from the width ordered. 3.5.2.2.3 Length in Individual Roll Shall not be limited except that no roll shall weigh more than 75 pounds (34 kg). 3.5.3 Powder Sizes 3.5.3.1 Nominal Sizes 60, 100, 140, 200, and 325. 3.5.3.2 Tolerances Powder shall be su
25、pplied in accordance with the limits on particle size distribution shown in Table 5 unless some other distribution is specified. Tests shall be in accordance with ASTM B214. SAE INTERNATIONAL AMS4766H Page 5 of 7 Table 5 - Particle size distribution Mesh Designation U.S. Standard Sieve 60 Through a
26、No. 40 sieve - 100% Through a No. 60 sieve - 95% minimum Through a No. 325 sieve - 10% maximum 100 Through a No. 60 sieve - 100% Through a No. 100 sieve - 95% minimum Through a No. 325 sieve - 15% maximum 140C On a No. 100 sieve - 0.5% maximum On a No. 140 sieve - 10% maximum Through a No. 325 sieve
27、 - 20% maximum 140F On a No. 100 sieve - 0.5% maximum On a No. 140 sieve - 10% maximum Through a No. 325 sieve - 55% maximum 200 On a No. 140 sieve - 0.5% maximum On a No. 200 sieve - 10% maximum Through a No. 325 sieve - 65% maximum 325 On a No. 200 sieve - 0.5% maximum On a No. 325 sieve - 10% max
28、imum Through a No. 325 sieve - 90% minimum 3.5.3.2.1 When mesh designation is not specified, 140F mesh shall be supplied. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the product shall supply all samples for producers tests and shall be responsible for the perfor
29、mance 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 the specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests All technical requirements, except properties (3.3), are
30、acceptance tests and shall be performed on each lot. 4.2.2 Periodic Tests Properties are periodic tests and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with the following: 4.3.1 Comp
31、osition For all product except powder, one sample from each lot; for powder, one sample from each furnace charge. 4.3.2 Other Technical Requirements As agreed upon by purchaser and producer. SAE INTERNATIONAL AMS4766H Page 6 of 7 4.3.3 A lot shall be all product, other than powder and paste, produce
32、d from a single furnace charge (or melt) which has been tested and found to conform to the requirements of Table 1. 4.3.4 A lot of powder shall be a uniform blend of powder produced from one or more furnace charges, each meeting the requirements of 3.1, and presented for producers inspection at one
33、time. 4.3.5 A lot of paste shall be that paste produced from a single lot of powder combined with binder from the same manufacturing batch and presented for producers inspection at one time. 4.4 Reports The producer of the product shall furnish with each shipment a report showing the results of test
34、s to determine conformance to the composition requirements and stating that the product conforms to all other technical requirements. This report shall include the purchase order number, lot number, AMS4766H, form, size, and quantity. 4.5 Resampling and Retesting Not applicable. 5. PREPARATION FOR D
35、ELIVERY 5.1 Identification 5.1.1 The product shall be identified as agreed upon by purchaser and producer. 5.1.2 Each exterior container or package shall be permanently and legibly marked with not less than the following information: SILVER ALLOY, BRAZING FILLER METAL AMS4766H LOT NUMBER _ MANUFACTU
36、RERS IDENTIFICATION _ NOMINAL DIMENSIONS _ WEIGHT _ 5.1.2.1 Each container and package of paste shall also be marked with the date of manufacture. 5.2 Packaging 5.2.1 The product shall be suitably wrapped, sealed, and boxed or otherwise packaged for protection against injury and contamination during
37、 shipment and under dry storage conditions. 5.2.2 Packages of filler metal shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the filler metal to ensure carrier acc
38、eptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Filler metal not conforming to this specification, or to modifications authorized by purchaser, will be subj
39、ect to rejection. SAE INTERNATIONAL AMS4766H Page 7 of 7 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, have been made to the previous issue of this document. An (R) sy
40、mbol 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 This filler metal has an approximate solidus temperature of 1760 F
41、 (960 C) and an approximate liquidus temperature of 1780 F (971 C). 8.3 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 properties 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: AMS4766H Form and size of filler metal desired Quantity of filler metal desired Size of containers desired. PREPARED BY AMS COMMITTEE “D“
