SAE AS 4536C-2017 Safety Cable Kit Procurement Specification and Requirement for Use.pdf

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1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHG 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 therefrom, is th

2、e sole responsibility oIWKHXVHU 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 2017 SAE International All rights reserved. No part of this publication may

3、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 USA)

4、 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:/standards.sae.org/AS4536C AEROSPACE STANDARD $6 REV. C Issued 1993-01 Reaffirmed 2012-11 Revised 2017-02 Superseding AS4536B Saf

5、ety Cable Kit Procurement Specification and Requirement for Use RATIONALE This specification was revised to remove installation instructions (incorporated into AS567). Paragraph 3.5 was changed to reference AS567 for the Installation Instructions. Revise 0.020 diameter cable to 0.022 diameter cable

6、and add requirements for 0.062 wire. Delete Table 1 (renumber and relocate remaining tables). Update to References section to add AS567, AS3618, AS3619, AS3655, and AMS5666. General editorial updates. 1. SCOPE 1.1 Purpose This procurement specification covers aerospace quality safety cable kits cons

7、isting of safety cables and ferrules made from the same corrosion and heat resistant steels and a nickel base alloy of the type identified under the Unified Numbering system as follows: a. UNS S30400 - Corrosion resistant steel (AMS5697) b. UNS S32100 - Corrosion and heat resistant steel (AMS5689) c

8、. UNS N06600 - Nickel base alloy (AMS5687) d. UNS N06625 - Nickel Alloy, Corrosion Resistant (AMS5666) The requirements for installation practices are also specified. 1.2 Field of Application For use in aerospace systems for securing fasteners and other utility parts which may have the potential of

9、coming loose during operation. SAE INTERNATIONAL AS4536C Page 2 of 11 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be t

10、he issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been

11、 obtained. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AS567 Safety Cable, Safety Wire, Key Washers, and Cotter Pins for Propulsion Systems, Genera

12、l Practices for Use of AS3509 Cable, Safety, Kit, Nickel Alloy, UNS N06600 AS3510 Cable, Safety, Kit, Corrosion and Heat Resistant Steel, UNS S32100 AS3511 Cable, Safety, Kit, Corrosion Resistant Steel, UNS S30400 AS3618 Cable, Safety, Ferrule, Elongated, and Kits, Corrosion and Heat Resistant Steel

13、, UNS S32100 AS3619 Cable, Safety, Ferrule, Elongated, and Kits, Nickel Alloy, UNS N06600 AS3655 Cable, Safety, Nickel Alloy, Corrosion Resistant, UNS N06625 AMS5666 Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, Extrusions, and Rings, 62Ni - 21.5Cr - 9.0Mo - 3.65 Cb (Nb), Annealed AMS5

14、687 Nickel Alloy, Corrosion and Heat-Resistant, Wire, 74Ni - 15.5Cr - 8.0Fe, Annealed AMS5689 Steel, Corrosion and Heat Resistant, Wire, 18Cr - 10.5Ni - 0.40Ti (SAE 30321), Solution Heat Treated AMS5697 Steel, Corrosion-Resistant, Wire, 19Cr - 9.5Ni (SAE 30304), Solution Heat Treated 2.1.2 ASTM Publ

15、ications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM D3951 Packaging, Commercial ASTM E4 Standard Practices for Load Verification of Testing Machines ASTM E8 Standard Test Methods for Tension Testing

16、 of Metallic Materials SAE INTERNATIONAL AS4536C Page 3 of 11 2.2 Definitions STRAND: A group of wires helically wound around a core wire in a left-hand direction or a right-hand direction. CABLE: A group of strands helically twisted together in a right-hand direction without a core. DEFECTIVE: A de

17、fective is a unit of product which contains one or more defects. DIAMETER: The diameter of wire strand and cable is the diameter of the circumscribing circle, or across diametrically opposite wires. FERRULE/END FITTING: Metal sleeve used for crimping onto the cable to maintain tension in the cable.

18、LAY: The helical form taken by the wires in the strand and by the strands in the cable is characterized as the lay (or twist) of the wires in a strand, or strands in a cable, respectively. In a right-hand lay, the wires of the strand are the same direction as the thread on a right-hand screw, and a

19、left-hand lay the strands or wires lay in the opposite direction. LENGTH OF LAY (or pitch): The distance parallel to the axis of the strand, in which a wire makes one complete turn about the axis. PING: Ping is an audible sound given off as a result of an individual wire breaking in the wire strand.

20、 PRODUCTION INSPECTION LOT: Shall be all finished parts of the same part number, made from a single heat of alloy, heat treated at the same WLPHWRWKHVDPHVSHFLILHGFRQGLWLRQSURGXFHGDVRQHFRQWLQXRXVUXQDQGVXEPLWWHG IRUYHQGRUVinspection at the same time. PULL-OFF LOAD: The force required to pull the cable

21、 out of either the ferrule or cable end fitting. SAFETY CABLE: An inseparable assembly consisting of a length of cable and an end fitting affixed to one end of the cable. SAFETY CABLE ASSEMBLY: An assembly consisting of a ferrule affixed to the safety cable. TERMINATION POINT: The point at which the

22、 cable end fitting or ferrule attach to the cable. WIRE: Each individual cylindrical element is designated as a wire. 3. TECHNICAL REQUIREMENTS 3.1 Material Material requirements for cable, end fitting, and ferrule shall be as specified on the part standards. 3.2 Design 3.2.1 Finished safety cable s

23、hall conform to AS3509, AS3510, AS3511, or AS3655. 3.2.2 Corresponding finished safety cable ferrules shall conform to AS3509, AS3510, AS3511, AS3618, AS3619, or AS3655. 3.3 Construction 3.3.1 Wire Properties Tensile strength of wire and wire sizes shall be such that the cable will be capable of mee

24、ting the requirements of this specification. SAE INTERNATIONAL AS4536C Page 4 of 11 3.3.1.1 Preforming of Wires The individual wires comprising a strand shall be shaped into the exact helical position they will have in the finished strand or cable, so that if the strand or cable is cut, the measured

25、 diameter of the cable at the unfused cut ends shall not increase by more than 0.006 inch (0.15 mm) for nominal cable diameters 0.022 inch (0.56 mm) and 0.032 inch (0.81 mm), shall not increase more than 0.008 inch (0.20 mm) for nominal cable diameter 0.040 inch (1.02 mm), and shall not increase by

26、more than 0.009 inch (0.23 mm) for nominal cable diameter 0.062 inch (1.57 mm). 3.3.1.2 Splicing and Joining There shall be no wire splices in the finished strand or cable. 3.3.2 Type of Construction 3.3.2.1 0.022 inch (0.56 mm) diameter safety cable shall be 1 x 7 construction. 3.3.2.1.1 Strand 1 x

27、 7 The 0.022 inch (0.56 mm) nominal diameter cable shall be a strand of wires having 1 x 7 construction, consisting of a lay of six wires laid around a center core wire in a left-hand, or right hand direction. The length of lay shall be not more than 0.25 inch (6.35 mm) nor less than 0.20 inch (0.51

28、 mm). 3.3.2.2 0.032 inch (0.81 mm) diameter safety cable shall be 3 x 7 construction. 3.3.2.2.1 Cable 3 x 7 The 0.032 inch (0.81 mm) nominal diameter cable shall consist of three strands of seven wires each, laid together without a core. Each strand shall consist of a layer of six wires laid around

29、a center core wire in a left-hand direction. The three strands shall be laid together in a right-hand direction. The length of the lay of the six outer wires in each strand shall not exceed 70% of the lay of the finished cable. The length of lay of the finished cable shall be not more than 0.25 inch

30、 (6.35 mm) nor less than 0.18 inch (4.57 mm). 3.3.2.3 0.040 inch (1.02 mm) diameter safety cable shall be 7 x 7 construction. 3.3.2.3.1 Cable 7 x 7 The 0.040 inch (1.02 mm) nominal diameter cable shall consist of six outer strands of seven wires each laid around a core of seven wires. The six outer

31、strands shall consist of six wires laid around a center wire in a left-hand direction. The core strand shall consist of six wires laid around a center wire in a right-hand direction. The six outer strands shall be laid around a core in a right-hand direction. The length of lay of the outside six wir

32、es in each of the six outside strands, and the outside six wires of the core strand shall not exceed 60% of the length of lay of the finished cable. The length of lay of the finished cable shall be not more than 0.37 inch (9.40 mm) not less than 0.24 inch (6.10 mm). 3.3.2.4 0.062 inch (1.57 mm) diam

33、eter safety cable shall be 7 x 19 construction. 3.3.2.4.1 Cable 7 x 19 The 0.062 inch (1.57 mm) nominal diameter cable shall consist of six outer strands of 19 wires each laid around a strand core of 19 wires. The six outer strands shall each consist of a layer of six wires laid around a center wire

34、 in a left-hand direction and a layer of 12 wires laid over the 7-wire strand in a left-hand direction. The strand core shall consist of a layer of 6 wires laid around a center wire in a right-hand direction. The six outer strands shall be laid around the core in a right-hand direction. The length o

35、f lay of the inside layer of six wires in each of the six outer strands and the one strand core shall not exceed 60% of the outside layer of 12 wires in each strand. The length of lay of the outside layer of 12 wires in each of the six outside strands and the strand core shall not exceed 50% of the

36、lay of the finished cable. The length of lay of the finished cable shall be not more than 0.54 inch (13.72 mm), not less than 0.40 inch (10.16 mm). SAE INTERNATIONAL AS4536C Page 5 of 11 3.3.3 Safety Cable 3.3.3.1 The 0.022 inch (0.56 mm) nominal diameter safety cable comprises the following: a. One

37、 strand of wires, 1 x 7 construction as in 3.3.2.1.1. b. Fitting end, as specified on part drawing, crimped onto strand at one end. c. Free end of strand is fused by brazing or welding. d. Ferrule, as specified on part drawing, to be crimped onto the free end of the strand at installation. 3.3.3.2 T

38、he 0.032 inch (0.81 mm) nominal diameter safety cable comprises in the following: a. Three strands of wires, 3 x 7 construction as in 3.3.2.2.1. b. Fitting end, as specified on part drawing, crimped onto cable at one end. c. Free end of cable is fused by brazing or welding. d. Ferrule, as specified

39、on part drawing, to be crimped onto the free end of the cable at installation. 3.3.3.3 The 0.040 inch (1.02 mm) nominal diameter safety cable comprises the following: a. Seven strands of wire, 7 x 7 construction as in 3.3.2.3.1. b. Fitting end, as specified on part drawing, crimped onto cable at one

40、 end. c. Free end of cable is fused by brazing or welding. d. Ferrule, as specified on part drawing, to be crimped onto the free end of the cable at installation. 3.3.3.4 The 0.062 inch (1.57 mm) nominal diameter safety cable comprises the following: a. Seven strands of wire, 7 x 19 construction as

41、in 3.3.2.4.1. b. Fitting end, as specified on part drawing, crimped onto cable at one end. c. Free end of cable is fused by brazing or welding. d. Ferrule, as specified on part drawing, to be crimped onto the free end of the cable at installation. 3.3.3.5 The length of the safety cable shall be as s

42、pecified on the part drawing. SAE INTERNATIONAL AS4536C Page 6 of 11 3.4 Performance 3.4.1 Breaking Strength Strength of 0.022 inch (0.56 mm) nominal diameter cable as in 3.3.2.1, of 0.032 inch (0.81 mm) nominal diameter cable as in 3.3.2.2, of 0.040 inch (1.02 mm) nominal diameter cable as in 3.3.2

43、.3, and of 0.062 inch (1.57 mm) nominal diameter cable as in 3.3.2.4 shall be not less than the minimum breaking strength specified in Table 1, for the applicable material, and determined in accordance with ASTM E8.Table 1 - Construction and physical property of cables Material Nominal Cable Diamete

44、r inch (mm) Tolerance Diameter Plus Only inch (mm) Construction Breaking Strength Minimum lbf (N) AMS5687 0.022 (0.56) 0.006 (0.15) 1 x 7 60 (266.9) AMS5689 0.022 (0.56) 0.006 (0.15) 1 x 7 60 (266.9) AMS5697 0.022 (0.56) 0.006 (0.15) 1 x 7 60 (266.9) AMS5666 0.022 (0.56) 0.006 (0.15) 1 x 7 60 (266.9

45、) AMS5687 0.032 (0.81) 0.006 (0.15) 3 x 7 100 (444.8) AMS5689 0.032 (0.81) 0.006 (0.15) 3 x 7 100 (444.8) AMS5697 0.032 (0.81) 0.006 (0.15) 3 x 7 100 (444.8) AMS5666 0.032 (0.81) 0.006 (0.15) 3 x 7 100 (444.8) AMS5687 0.040 (1.02) 0.006 (0.15) 7 x 7 180 (800.6) AMS5689 0.040 (1.02) 0.006 (0.15) 7 x

46、7 180 (800.6) AMS5697 0.040 (1.02) 0.006 (0.15) 7 x 7 180 (800.6) AMS5666 0.040 (1.02) 0.006 (0.15) 7 x 7 180 (800.6) AMS5689 0.062 (1.57) 0.010 (0.25) 7 x 19 400 (1778.8) 3.4.2 Stretch Limits When tested in accordance with 3.4.2.1, the stretch limit in the cable shall be as follows: a. The 0.022 in

47、ch (0.56 mm) nominal diameter cable as in 3.3.2.1 shall not exceed 1% when it is loaded to 60% of the minimum breaking strength as specified in Table 1. b. The 0.032 inch (0.81 mm) nominal diameter cable as in 3.3.2.2 shall not exceed 1.5% when it is loaded to 60% of the minimum breaking strength as

48、 specified in Table 1. c. The 0.040 inch (1.02 mm) nominal diameter cable as in 3.3.2.3 shall not exceed 1.5% when it is loaded to 60% of the minimum breaking strength as specified in Table 1. d. The 0.062 inch (1.57 mm) nominal diameter cable as in 3.3.2.4 shall not exceed 1.5% when it is loaded to 60% of the minimum breaking strength as specified in Table 1. SAE INTERNATIONAL AS4536C Page 7 of 11 3.4.2.1 Stretch Test For each size and material, one specimen from each sample of wire strand or c