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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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 2003 SAE InternationalAll rights reserved. No part of this publication may be
3、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: 724-776-4970 (outside USA)Fax: 724-
4、776-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgPolyamide-Imide Bar, Rod, and ShapesMolded or Extruded1. SCOPE:1.1 Form: This specification and its supplementary detail specifications cover a polyamide-imide plastic in the form of bar, rod, and shapes.1.2 Application: These products h
5、ave been used typically for parts requiring low coefficient of friction, thermal resistance, and toughness up to 250 C (482 F), but usage is not limited to such applications.1.3 Classification: The requirements specified herein and in the applicable detail specification define each product on the ba
6、sis of the filler used with the same base polyamide-imide polymer. The presence of filler and the material used as filler are specified in the title of each detail specification.1.4 Safety - Hazardous Materials: While the materials, methods, applications, and processes described or referenced in thi
7、s specification 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 m
8、easures to ensure the health and safety of all personnel involved.2. APPLICABLE DOCUMENTS:The following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in ef
9、fect on the date of the purchase order.AEROSPACE MATERIAL SPECIFICATIONAMS 3670BIssued JAN 1981Revised APR 1995Reaffirmed MAR 2003Superseding AMS 3670AAMS 3670B SAE AMS 3670B- 2 -2.1 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or www.astm.org.ASTM
10、D 149 Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power FrequenciesASTM D 150 A-C Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulating MaterialsASTM D 570 Water Absorption of PlasticsASTM D 648 Defl
11、ection Temperature of Plastics Under Flexural LoadASTM D 695 Compressive Properties of Rigid PlasticsASTM D 695M Compressive Properties of Rigid Plastics (Metric)ASTM D 790 Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials ASTM D 790M Flexural Properties
12、 of Unreinforced and Reinforced Plastics and Electrical Insulating Materials (Metric)ASTM D 792 Specific Gravity (Relative Density) and Density of Plastics by DisplacementASTM D 1708 Tensile Properties of Plastics by Use of Microtensile Specimens2.2 U.S. Government Publications:Available from DODSSP
13、, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.MIL-STD-2073-1 DOD Materiel, Procedures for Development and Application of Packaging Requirements3. TECHNICAL REQUIREMENTS:3.1 Detail Specifications: The requirements for a specific product shall consist of al
14、l requirements specified herein in addition to requirements specified in the applicable detail specification. In case of conflict between requirements of this specification and an applicable detail specification, requirements of the detail specification shall govern.3.2 Material: Product shall be ma
15、nufactured from virgin, unplasticized polymer polyamide-imide, unfilled or filled as specified in the applicable detail specification, ready for machining and use, and post cured to meet requirements of 3.4.3.3 Color: Shall be natural and may vary as specified in the applicable detail specification
16、depending on the filler material used.AMS 3670B SAE AMS 3670B- 3 -3.4 Properties: Shall conform to the requirements of this specification and the applicable detail specification; tests shall be performed on molded test specimens and in accordance with test methods specified in Table 1 of the applica
17、ble detail specification.3.4.1 Dimensional Stability: Dimensions of raw stock or parts fabricated from stock shall not change more than 0.001 inch per inch (0.001 mm/mm), measured at 20 to 30 C (68 to 86 F) before and after being held for 24 hours 0.5 at 250 C 5 (482 F 9) in air. Before initial meas
18、urement, test specimens shall be conditioned at 150 C 5 (302 F 9) for 70 hours 0.5.3.5 Quality: The product, as received by purchaser, shall be uniform in quality and condition, smooth, and free from foreign materials and from imperfections detrimental to usage of the product.3.6 Tolerances: Shall b
19、e as shown in Table 1, determined at 20 to 30 C (68 to 86 F) except that closer temperature control may be required for large dimensions.TABLE 1A - Tolerances, Inch/Pound UnitsNominal DiameterInchesDiameter Tolerance, Inchplus only0.250 to 1.000, incl 0.025Over 1.000 to 2.000, incl 0.050Over 2.000 t
20、o 3.500, incl 0.070Over 3.500 As specified by purchaserTABLE 1B - Tolerances, SI UnitsNominal DiameterMillimetersDiameter ToleranceMillimetersplus only6.35 to 25.40, incl 0.64Over 25.40 to 50.80, incl 1.27Over 50.80 to 88.90, incl 1.78Over 88.90 As specified by purchaserAMS 3670B SAE AMS 3670B- 4 -4
21、. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The manufacturer of the product shall supply all samples and shall be responsible for all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conf
22、orms to specified requirements.4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tensile strength and elongation at 23 C (73 F) and specific gravity are acceptance tests and shall be performed on each lot.4.2.2 Preproduction Tests: All technical requirements are preproduction tests and shall be p
23、erformed prior to or on the initial shipment of the product by a manufacturer, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required.4.2.2.1 For direct U.S. Military procurement, substantiating test data and, when
24、 requested, preproduction test material shall be submitted to the cognizant agency as directed by the procuring activity, contracting officer, or request for procurement.4.3 Sampling and Testing: Shall be as follows:4.3.1 For Acceptance Tests: Sufficient product shall be taken at random from each lo
25、t to perform all required tests. The number of determinations for each requirement shall be as specified in the applicable test procedure or, if not specified therein, not less than three.4.3.1.1 A lot shall be all product produced in a single production run from the same batch of polymer and presen
26、ted for manufacturers inspection at one time. A lot may contain product of varying sizes but shall not exceed 6000 pounds (2722 kg).4.3.1.2 A statistical sampling plan, acceptable to purchaser, may be used in lieu of sampling as in 4.3.1. 4.3.2 For Preproduction Tests: Shall be acceptable to purchas
27、er.4.4 Approval: 4.4.1 Sample product shall be approved by purchaser before product for production use is supplied, unless such approval be waived by purchaser. Results of tests on production product shall be essentially equivalent to those on the approved sample product.AMS 3670B SAE AMS 3670B- 5 -
28、4.4.2 Manufacturer shall use ingredients, manufacturing procedures, processes and methods of inspection on production product which are essentially the same as those used on the approved sample product. If necessary to make any change in ingredients, in type of equipment for processing, or in manufa
29、cturing procedures, manufacturer shall submit for reapproval a statement of the proposed change in ingredients and/or processing and, when requested, sample product. Production product made by the revised procedure shall not be shipped prior to receipt of reapproval.4.5 Reports: The supplier of the
30、product shall furnish with each shipment a report showing the results of tests to determine conformance to the acceptance test requirements and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, lot number, AMS 3670B and its ap
31、plicable detail specification number, manufacturers identification, size or part number, and quantity.4.6 Resampling and Retesting: If any specimen used in the above tests fails to meet the specified requirements, disposition of the product may be based on the results of testing three additional spe
32、cimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection of the product represented. Results of all tests shall be reported.5. PREPARATION FOR DELIVERY: 5.1 Packaging and Identification: 5.1.1 A lot may be package
33、d in small quantities and delivered under the basic lot approval provided lot identification is maintained.5.1.2 Packaging shall be accomplished to ensure that the product, during shipment and storage, will be protected against damage from exposure to weather or any other normal hazard.5.1.3 Each pa
34、ckage shall be permanently and legibly marked with not less than the following informa-tion: POLYAMIDE-IMIDE BAR, ROD, AND SHAPES, MOLDED OR EXTRUDEDAMS 3670B_MANUFACTURERS IDENTIFICATION _LOT NUMBER _SIZE OR PART NUMBER_QUANTITY _PURCHASE ORDER NUMBER _5.1.4 Packages of the product shall be prepare
35、d for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.AMS 3670B SAE AMS 3670B- 6 -5.1.5 For direct U.S. Military procurement
36、, packaging shall be in accordance with MIL-STD-2073-1, Level C, unless Level A is specified in the request for procurement.6. ACKNOWLEDGMENT: A supplier shall mention this specification number and the applicable detail specification number and their revision letters, if any, in all quotations and w
37、hen acknowledging purchase orders.7. REJECTIONS: Product not conforming to this specification and the applicable detail specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES:8.1 The change bar ( l ) located in the left margin is for the convenience of the
38、user in locating areas where 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.8.2 The term “Msi” as used in this specification and its detail spec
39、ifications for tensile modulus units is defined as “million pounds per square inch”.8.3 Dimensions and properties in inch/pound units and the Celsius temperatures are primary; dimensions and properties in SI units and the Fahrenheit temperatures are shown as the approximate equivalents of the primar
40、y units and are presented only for information.8.4 For direct U.S. Military procurement, purchase documents should specify not less than the following:Title, number, and date of this specificationForm and size or part number of product desiredQuantity of product desiredLevel A packaging, if required (See 5.1.5).8.5 Products meeting the requirements of this specification and any applicable detail specification have been classified under Federal Supply Classification (FSC) 9330.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “P”
