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1、AEROSPACE MATERIAL SPECIFICATION AMS 1537B IssuedOCT 1985 RevisedMAR 2001 Superseding AMS 1537A Cleaner, Alkaline Hot-Tank Type 1.SCOPE: 1.1Form: This specification covers an alkaline cleaner in the form of a liquid for use above 65 C (154 F). 1.2Application: This cleaner has been used typically for
2、 removing soils from aluminum and magnesium alloy parts by immersion in hot cleaner solution prior to surface treatment, but usage is not limited to such applications. 1.3Safety - Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specifica
3、tion may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to
4、ensure the health and safety of all personnel involved. 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 sp
5、ecific document issue is specified. When the referenced document has been canceled and no superseding document has been specified, the last published issue of that document shall apply. SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technic
6、al 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 therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which
7、time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2008 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical,
8、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: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Reaffirmed JAN 2008 Copyright SA
9、E International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license from IHS -,-,- AMS 1537BSAEAMS 1537B - 2 - 2.1SAE Publications: Available from SAE, 400 Commonwealt
10、h Drive, Warrendale, PA 15096-0001. AMS 2470Anodic Treatment of Aluminum Alloys, Chromic Acid Process AMS 2475Protective Treatments, Magnesium Alloys AMS 4037Aluminum Alloy Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (2024: -T3 Flat Sheet, -T351 Plate), Solution Heat Treated AMS 4041Aluminum Alloy Sheet
11、 and Plate, Alclad, 4.4Cu - 1.5Mg - 0.60Mn (Alclad 2024 and 1-1/2% Alclad 2024-T3 Flat Sheet, 1-1/2% Alclad 2024-T351 Plate) AMS 4049Aluminum Alloy Sheet and Plate, Alclad, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075; -T6 Sheet, -T651 Plate), Solution and Precipitation Heat Treated AMS 4376Magnesium
12、 Alloy Plate, 3.OAl - 1.OZn (AZ31B-H26), Cold Rolled and Partially Annealed 2.2ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM D 56Flash Point by Tag Closed Tester ASTM D 1193Reagent Water ASTM D 1568Sampling and Chemical Analysis of Alkylbenzene
13、 Sulfonates ASTM E 70pH of Aqueous Solutions with the Glass Electrode ASTM F 483Total Immersion Corrosion Test for Aircraft Maintenance Chemicals ASTM F 1104Preparing Aircraft Cleaning Compounds, Liquid Type, Water Base, for Storage Stability Testing ASTM F 1110Sandwich Corrosion Test 3.TECHNICAL RE
14、QUIREMENTS: 3.1Material: The composition of the cleaner shall be optional with the manufacturer but shall produce a product meeting the requirements of 3.2. 3.2Properties: The cleaner shall conform to the following requirements; tests shall be performed in accordance with specified test methods: 3.2
15、.1Total Immersion Corrosion: The product shall neither cause evidence of corrosion nor a weight change of any test panel greater than that shown in Table 1, determined in accordance with ASTM F 483 at highest concentration and temperature recommended for the cleaner by the manufacturer: Copyright SA
16、E International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license from IHS -,-,- AMS 1537BSAEAMS 1537B - 3 - 3.2.2Sandwich Corrosion: Cleaner shall produce a rating
17、not worse than 1, determined in accordance with ASTM F 1110. 3.2.3Solubility: The cleaner shall be readily soluble in water at maximum concentration and minimum temperature specified by manufacturer. 3.2.4pH Value: Shall be between 9.0 and 11.5 on a 5% by volume solution, determined in accordance wi
18、th ASTM E 70 at room temperature, making no correction for sodium ion. 3.2.5Flash Point: Shall be not lower than 70 C (158 F), determined in accordance with ASTM D 56 or other method acceptable to purchaser. 3.2.6Cleaning Performance: The prepared cleaning solution shall remove not less than 70% of
19、the soil on panels prepared and tested in accordance with 3.2.6.1 and 3.2.6.2. 3.2.6.1Soiling Procedure: Four 2 x 4 inch (51 x 102 mm) AMS 4041 aluminum alloy panels shall be coated with test soil prepared in accordance with Table 2. The soiling mixture shall be well mixed and maintained at 25 C 1 (
20、77 F 2) during the soiling procedure. Immerse four panels in the soiling mixture for 60 seconds, remove panels, and permit excess soiling mixture to drain. Allow to dry at room temperature for 24 hours. Weigh the panels to the nearest 0.1 milligram. TABLE 1 - Maximum Immersion Weight Change Weight C
21、hange Test Panel mg/cm2 per 24 hours AMS 4037 Aluminum Alloy, anodized as in AMS 24700.3 AMS 4041 Aluminum Alloy0.3 AMS 4049 Aluminum Alloy0.3 AMS 4376 Magnesium Alloy, dichromate treated as in AMS 24750.2 TABLE 2 - Test Soil Nominal Percent Ingredientsby Weight Carbon Black 5 Texaco Transultex 240
22、or equivalent15 SAE 30 Oil, nondetergent type 5 Solvent75 Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license from IHS -,-,- AMS 1537BSAEAM
23、S 1537B - 4 - 3.2.6.2Soil Removal Test: Prepare a fresh solution of the cleaner at minimum recommended concentration using water conforming to ASTM D 1193. Place 900 mL of the diluted cleaning compound in each of four one liter tall form beakers. Maintain the temperature of the cleaning solution at
24、the minimum recommended temperature. Immerse one each of the soiled panels in each of the beakers containing the cleaning compound by suspending them vertically from a suitable hanger mounted on a laboratory ring stand. Suspend the soiled panel in the center of the beaker so that one end of the pane
25、l is one inch (25 mm) from the bottom of the beaker. Place beaker containing the soiled panel on a magnetic stirring apparatus. Place a one inch (25 mm) stirring bar in the beaker. Operate the magnetic stirrer at 300 rpm for 20 minutes. After the 20 minutes cleaning cycle, withdraw the panels from t
26、he cleaning solution and immerse them in 900 mL of ASTM D 1193 water contained in a one liter tall form beaker. Repeat the above procedure for the cleaning cycle except operate the magnetic stirrer for two minutes. Remove the panels from the water and dry them in a circulating-air oven maintained at
27、 120 C 1 (248 F 2) for 15 minutes. Remove the panels from the oven and cool them at standard conditions for 15 minutes. Weigh the panels to the nearest 0.1 milligram. The percent soil removal shall be reported as an average value for four panels and calculated using Equation 1. (Eq. 1) 3.2.7Storage
28、Stability: The product shall be tested in accordance with ASTM F 1104. The stored cleaning compound shall give a cleaning ability value not less than 90% of that obtained with original compound when tested in accordance with 3.2.6. 3.3Quality: The cleaner, as received by purchaser, shall be homogene
29、ous and free from foreign materials detrimental to usage of the cleaner. 4.QUALITY ASSURANCE PROVISIONS: 4.1Responsibility for Inspection: The vendor of the cleaner shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the r
30、ight to sample and to perform any confirmatory testing deemed necessary to ensure that the cleaner conforms to the requirements of this specification. 4.2Classification of Tests: 4.2.1Acceptance Tests: pH value (3.2.4) are acceptance tests and shall be performed on each lot. 4.2.2Preproduction Tests
31、: All technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of cleaner to a purchaser, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required. % Soil Removed Wgt
32、of soiled panelWgt of cleaned panel Wgt of soiled panelWgt of unsoiled panel - 100= Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license fro
33、m IHS -,-,- AMS 1537BSAEAMS 1537B - 5 - 4.3Sampling and Testing: Shall be in accordance with ASTM D 1568; a lot shall be all cleaner produced in a single production run from the same batches of raw materials under the same fixed conditions and presented for vendors inspection at one time. 4.4Approva
34、l: 4.4.1Sample cleaner shall be approved by purchaser before cleaner for production use is supplied, unless such approval be waived by purchaser. Results of tests on production cleaner shall be essentially equivalent to those on the approved sample. 4.4.2Vendor shall use ingredients, manufacturing p
35、rocedures, and methods of inspection on production cleaner which are essentially the same as those used on the approved sample cleaner. If necessary to make any change in ingredients or in manufacturing procedures, vendor shall submit for reapproval a statement of the proposed changes in ingredients
36、 and/or processing and, when requested, sample cleaner. Production cleaner made by the revised procedure shall not be shipped prior to receipt of reapproval. 4.5Reports: The vendor of the cleaner shall furnish with each shipment a report showing the results of tests to determine conformance to the a
37、cceptance test requirements and stating that the cleaner conforms to the other technical requirements. This report shall include the purchase order number, lot number, AMS 1537B, manufacturers identification, and quantity. 4.6Resampling and Retesting: If any specimen used in the above tests fails to
38、 meet the specified requirements, disposition of the cleaner may be based on the results of testing three additional specimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection of the cleaner represented. Results
39、of all tests shall be reported. 5.PREPARATION FOR DELIVERY: 5.1Packaging and Identification: 5.1.1Cleaner shall be packaged in containers of a type and size acceptable to purchaser. 5.1.2A lot of cleaner may be packaged in small quantities and delivered under the basic lot approval provided lot iden
40、tification is maintained. 5.1.3Each container shall be legibly marked with not less than AMS 1537B, purchase order number, manufacturers identification, lot number, and quantity. Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not
41、 for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license from IHS -,-,- AMS 1537BSAEAMS 1537B - 6 - 5.1.4Containers of cleaner shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining t
42、o the handling, packaging, and transportation of the cleaner 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: Cleaner not conforming to th
43、is specification, or to modifications authorized by purchaser, will be subject to rejection. 8.NOTES: 8.1The 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
44、 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 specifications that contain editorial changes only. 8.2Dimensions in inch/pound units a
45、nd the Celsius temperatures are primary; dimensions and properties in SI units and the Fahrenheit temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.3Purchase documents should specify not less than the following: AMS 1537B Type and si
46、ze of containers desired Quantity of cleaner desired. 8.4Key Words: Soil removal, aluminum alloys, magnesium alloys PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “J“ (AMCM) Copyright SAE International Provided by IHS under license with SAELicensee=MHI - NAGOYA related to 3944000/3944000013 Not for Resale, 02/16/2008 00:45:04 MSTNo reproduction or networking permitted without license from IHS -,-,-