SAE J 531-2015 Automotive Pipe Filler and Drain Plugs.pdf

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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 ther

2、efrom, 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

3、publication 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: +1 724-776-49

4、70 (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/J531_201511 SURFACE VEHICLE STANDARD J531 NOV2015 Issued 1948-02 Reaffirmed 1992

5、-02 Revised 2015-11 Superseding J531 MAY1995 Automotive Pipe, Filler, and Drain Plugs RATIONALE This revision includes updates to 3.4 Corrosion Protection requirements to match SAE FCCTC Committee practice. 1. SCOPE This SAE Standard includes complete general and dimensional specifications for those

6、 types of pipe, filler, and drain plugs (shown in Figures 1 to 6 and Tables 1 to 4) commonly used in automotive and related industrial applications. 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent specified herein. Unless otherwise in

7、dicated, the latest issue of SAE publications shall apply. 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. SAE J476 Dryseal Pipe Threads SAE J846 Codin

8、g Systems for Identification of Fluid Conductors and Connectors 2.1.2 ASTM Publication 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 B 117 Method of Salt Spray (Fog) Testing 2.1.3 ISO Publication Copies

9、 of these documents are available online at http:/webstore.ansi.org/ ISO 9227 Corrosion Tests in Artificial Atmospheres - Salt spray tests SAE INTERNATIONAL J531 NOV2015 Page 2 of 13 3. GENERAL SPECIFICATIONS 3.1 Dimensions and Tolerances Except for nominal sizes and thread specifications, dimension

10、s and tolerances are given in both SI and U.S. customary units as designated. Tabulated dimensions shall apply to the finished plugs, plated, hardened, or otherwise processed, as specified by the purchaser. The minimum across corner dimensions of external hexagons shall be 1.092 times the nominal wi

11、dth across flats. The minimum across corner dimensions of external squares shall be 1.25 times the nominal width across flats, but shall not result in a side flat width less than 0.75 times the nominal width across flats. At maximum material condition, the radii at corners of hexagon and square sock

12、ets in broached and upset plugs shall not exceed 0.13 mm (0.005 in). Tolerance on dimensions not otherwise limited shall be 0.25 mm (0.010 in). 3.2 Pipe Threads The pipe threads on automotive pipe plugs, unless there is specific authorization to the contrary, shall conform with the Dryseal American

13、Standard Taper Pipe Thread (NPTF) and be gaged accordingly. The automotive pipe plug dimensions are based on the length of the NPTF thread and are intended for assembly with all types of Dryseal taper and straight internal threads. It is the consensus of manufacturers and users that trouble-free ass

14、embly and pressure-tight joints without lubricant or sealer cannot be assured. The pipe threads on automotive filler and drain plugs, unless there is specific authorization to the contrary, shall conform with the Dryseal SAE Short Taper Pipe Thread (PTF-SAE Short) and be gaged accordingly. The autom

15、otive filler and drain plug dimensions are based on the length of the (PTF-SAE Short) thread and are primarily intended for assembly with Dryseal American Standard Taper (NPTF) or Dryseal American Standard Intermediate Straight (NPSI) internal pipe threads in installations where it is desirable to l

16、imit the entry of the small end of the plug. Limitations on other applications of this thread are explained in SAE J476. External pipe threads shall be chamfered or rounded from the diameters tabulated in Table 1 to produce a length of chamfered or partial thread as specified. The threads on counter

17、sunk headless types of plugs shall be chamfered on both ends to the dimensions shown. Related specifications covering blank sizes, dies, chasers, and gages are shown in SAE J476. 3.3 Material and Manufacture Plugs may be made from low carbon steel, cast iron, malleable iron, brass, bronze, or alumin

18、um alloy as specified by purchaser, by casting, milling from the bar, or upsetting from a grade of material free of defects which will affect their serviceability. 3.4 Corrosion Protection The external surfaces and threads of all carbon steel parts shall be plated or coated with a suitable material

19、that passes a salt spray test in accordance with ASTM B 117 or the Neutral Salt Spray (NSS) method of ISO 9227 The following requirements shall apply: No appearance of corrosion products of the protective coating before 96 h. No appearance of corrosion products of the base metal before 144 h. The fo

20、llowing exceptions shall apply: a. All internal fluid passages. b. Edges such as hex points, serrations, and crests of threads where there can be mechanical deformation of the plating or coating typical of mass-produced parts or shipping effects. c. Areas where there is mechanical deformation of the

21、 plating or coating caused by crimping, flaring, bending and other post-plate metal forming operations. SAE INTERNATIONAL J531 NOV2015 Page 3 of 13 d. Areas where the parts are suspended or affixed in the test chamber where condensate can accumulate. Parts manufactured to this standard shall not be

22、cadmium plated and shall not use hexavalent chromate coatings. Internal fluid passages shall be protected from corrosion during storage and shipping. Changes in plating or coating shall be re-qualified to ensure assembly torque is not affected. 3.5 Workmanship Workmanship shall conform to the best c

23、ommercial practice to produce high-quality parts. Plugs shall be free from all hanging burrs, loose scale, and slivers which might become dislodged in usage and all other defects which might affect their serviceability. Table 1 - Chamfer dimensions Nominal Dryseal Pipe Thread Size in Chamfer Dia at

24、Small End of Plugs of All Types1Max mm Chamfer Dia at Small End of Plugs of All Type( 1 )Max in Chamfer Dia at Small End of Plugs of All Types( 1 )Min mm Chamfer Dia at Small End of Plugs of All Types( 1 )Min in Chamfer Dia at Large End of Countersunk Headless Plugs Max mm Chamfer Dia at Large End o

25、f Countersunk Headless Plugs Max in 1/16 5.8 0.23 5.3 0.21 6.4 0.25 1/8 8.1 0.32 7.6 0.30 8.6 0.34 1/4 10.7 0.42 10.2 0.40 11.4 0.45 3/8 14.0 0.55 13.5 0.53 14.7 0.58 1/2 17.3 0.68 16.8 0.66 18.3 0.72 3/4 22.6 0.89 22.1 0.87 23.6 0.93 1 28.4 1.12 27.7 1.09 29.7 1.17 Nominal Dryseal Pipe Thread Size

26、in Chamfer Dia at Large End of Countersunk Headless Plugs Min mm Chamfer Dia At Large End of Countersunk Headless Plugs Min in Length of Chamfer or Partial Thread Max mm Length of Chamfer or Partial Thread Max in Length of Chamfer or Partial Thread Min mm Length of Chamfer or Partial Thread Min in 1

27、/16 5.8 0.23 1.42 0.056 0.94 0.037 1/8 8.1 0.32 1.42 0.056 0.94 0.037 1/4 10.9 0.43 2.11 0.083 1.42 0.056 3/8 14.2 0.56 2.11 0.083 1.42 0.056 1/2 17.8 0.70 2.72 0.107 1.80 0.071 3/4 23.1 0.91 2.72 0.107 1.80 0.071 1 29.0 1.14 3.30 0.130 2.21 0.087 1Tabulated diameters conform with Appendix A, SAE J4

28、76. SAE INTERNATIONAL J531 NOV2015 Page 4 of 13 Figure 1 - Square and hexagon inside head plugs CODES SHOWN IN BRACKETS ADJACENT TO FIGURE NUMBERS REPRESENT RESPECTIVE FITTING IDENTIFICATION IN ACCORDANCE TO SAE J846. SAE INTERNATIONAL J531 NOV2015 Page 5 of 13 Table 2 - Dimensions of square and hex

29、agon inside head pipe, filler, and drain plugs (Figures 1A TO 1D)(1)A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short, in B Body Length(2)mm B Body Length(2)in B1 Body Length(2)mm B1 Body Length(2)in C Head Width mm C Head Width in D Head Height, Square Head mm D Head Height, Square Head in

30、1/1627 1/1627 8.38 0.330 7.37 0.290 5.44 0.214 4.52 0.178 1/1627 1/1627 8.89 0.350 7.87 0.310 5.61 0.221 4.90 0.193 1/827 1/827 8.38 0.330 7.37 0.290 7.01 0.276 6.10 0.240 1/827 1/827 8.89 0.350 7.87 0.310 7.19 0.283 6.48 0.255 1/418 1/418 12.57 0.495 11.30 0.445 9.40 0.370 7.11 0.280 1/418 1/418 13

31、.34 0.525 12.06 0.475 9.58 0.377 7.62 0.300 3/818 3/818 12.57 0.495 11.30 0.445 10.87 0.428 7.87 0.310 3/818 3/818 13.34 0.525 12.06 0.475 11.18 0.440 8.51 0.335 1/214 1/214 16.76 0.660 14.99 0.590 14.05 0.533 9.65 0.380 1/214 1/214 17.78 0.700 16.00 0.630 14.35 0.565 10.41 0.410 3/414 3/414 17.02 0

32、.670 15.24 0.600 15.62 0.615 11.18 0.440 3/414 3/414 18.03 0.710 16.26 0.640 15.93 0.627 11.94 0.470 111-1/2 111-1/2 21.08 0.830 19.05 0.750 20.40 0.803 12.70 0.500 111-1/2 111-1/2 22.10 0.870 20.07 0.790 20.70 0.815 13.72 0.540 (Continued on next page) SAE INTERNATIONAL J531 NOV2015 Page 6 of 13 Ta

33、ble 2 - Dimensions of square and hexagon inside head pipe, filler, and drain plugs (Figures 1A TO 1D)(1) (continued) A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short, in D1 Head Height, Hex Inside Head mm D1 Head Height, Hex Inside head in E Recess Dia, Max Ferrous mm E Recess Dia, Max Ferr

34、ous in E Recess Dia, Max Nonferrous mm E Recess Dia, Max Nonferrous in 1/1627 1/1627 4.14 0.163 1/1627 1/1627 4.52 0.178 1/827 1/827 5.72 0.225 1/827 1/827 6.10 0.240 1/418 1/418 6.60 0.260 1/418 1/418 7.11 0.280 3/818 3/818 7.24 0.285 7.9 0.31 9.1 0.36 3/818 3/818 7.87 0.310 1/214 1/214 8.89 0.350

35、9.7 0.38 13.5 0.53 1/214 1/214 9.65 0.380 3/414 3/414 10.41 0.410 14.2 0.56 18.3 0.72 3/414 3/414 11.18 0.440 111-1/2 111-1/2 11.68 0.460 19.0 0.75 23.6 0.93 111-1/2 111-1/2 12.70 0.500 (Continued) A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short in Wall Thickness Min F Ferrous mm Wall Thic

36、kness Min F Ferrous in Wall Thickness Min F Nonferrous mm Wall Thickness Min F Nonferrous in Wall Thickness Min G Ferrous mm Wall Thickness Min G Ferrous in 1/1627 1/1627 1/827 1/827 1/418 1/418 3/818 3/818 3.3 0.13 2.8 0.11 3.3 0.13 1/214 1/214 4.1 0.16 3.0 0.12 4.1 0.16 3/414 3/414 4.6 0.18 3.3 0.

37、13 4.6 0.18 111-1/2 111-1/2 5.1 0.20 3.6 0.14 5.1 0.20 (Continued on next page) SAE INTERNATIONAL J531 NOV2015 Page 7 of 13 Table 2 - Dimensions of square and hexagon inside head pipe, filler, and drain plugs (Figures 1A to 1D)(1) (Continued) A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short

38、 in Wall Thickness Min G Nonferrous mm Wall Thickness Min G Nonferrous in J Full Thread Length mm J Full Thread Length in J1 Full Thread Length mm J1 Full Thread Length in 1/1627 1/1627 7.6 0.30 6.6 0.26 1/827 1/827 7.6 0.30 6.9 0.27 1/418 1/418 11.7 0.46 10.4 0.41 3/818 3/818 2.0 0.08 11.7 0.46 10.

39、4 0.41 1/214 1/214 2.3 0.09 15.5 0.61 13.5 0.53 3/414 3/414 2.5 0.10 15.7 0.62 14.0 0.55 111-1/2 111-1/2 2.8 0.11 19.6 0.77 17.5 0.69 1. WARNING AUTOMOTIVE FILLER AND DRAIN PLUGS ARE PRIMARILY INTENDED FOR INSTALLATION WHERE IT IS DESIRABLE TO LIMIT THE ENTRY OF THE SMALL END OF THE PLUG. SEE GENERA

40、L SPECIFICATIONS. 2. Length B may be reduced one (p) thread if the thread is cut through at head corners. HEXAGON OUTSIDE HEAD FIGURE 2A - HEXAGON OUTSIDE HEAD PIPE PLUGS (130109E) Figure 2B - Hexagon outside head filler and drain pipe plugs1(130109F) CODES SHOWN IN BRACKETS ADJACENT TO FIGURE NUMBE

41、RS REPRESENT RESPECTIVE FITTING IDENTIFICATION IN ACCORDANCE TO SAE J846. SAE INTERNATIONAL J531 NOV2015 Page 8 of 13 Table 3 - Dimensions of hexagon outside head pipe, filler, and drain plugs2(Figures 2a and 2b) A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short, in B Shoulder Length3mm B Sh

42、oulder Length( 2 )in B1 Shoulder Length( 2 )mm B1 Shoulder Length( 2 )in C Hex (Nom) in D Head Height mm D Head Height in 1/1627 9.7 0.38 5/16 3.84 0.151 1/1627 8.1 0.32 5/16 4.11 0.162 1/827 9.7 0.38 7/16 4.60 0.181 1/827 8.1 0.32 7/16 4.93 0.194 1/418 14.2 0.56 9/16 4.60 0.181 1/418 12.4 0.49 9/16

43、 4.93 0.194 3/818 14.2 0.56 11/16 5.38 0.212 3/818 12.4 0.49 11/16 5.77 0.227 1/214 19.0 0.75 7/8 5.38 0.212 1/214 16.3 0.64 7/8 5.77 0.227 3/414 19.0 0.75 1-1/16 7.72 0.304 3/414 16.5 0.65 1-1/16 8.20 0.323 111-1/2 23.9 0.94 1-5/16 7.72 0.304 111-1/2 20.6 0.81 1-5/16 8.20 0.323 2WARNING AUTOMOTIVE

44、FILLER AND DRAIN PLUGS ARE PRIMARILY INTENDED FOR INSTALLATION WHERE IT IS DESIRABLE TO LIMIT THE ENTRY OF THE SMALL END OF THE PLUG. SEE GENERAL SPECIFICATIONS. 3Length B may be reduced one (p) thread if thread is cut through at head corners. SAE INTERNATIONAL J531 NOV2015 Page 9 of 13 Table 3 - Di

45、mensions of hexagon outside head pipe, filler, and drain plugs4(Figures 2a and 2b) (continued) A Dryseal Thread NPTF, in A1 Dryseal Thread PTF-SAE Short, in E Recess Dia, Max mm E Recess Dia, Max in F Wall Thickness Min mm F Wall Thickness Min in J Full Thread mm J Full Thread in J1 Full Thread mm J

46、1 Full Thread in 1/1627 2.5 0.010 2.3 0.09 7.6 0.30 1/1627 2.5 0.010 2.3 0.09 6.6 0.26 1/827 4.1 0.16 3.0 0.12 7.6 0.30 1/827 4.1 0.16 3.0 0.12 6.9 0.27 1/418 6.4 0.25 3.0 0.12 11.7 0.46 1/418 6.4 0.25 3.0 0.12 10.4 0.41 3/818 9.7 0.38 4.1 0.16 11.7 0.46 3/818 9.7 0.38 4.1 0.16 10.4 0.41 1/214 12.7

47、0.50 4.1 0.16 15.5 0.61 1/214 12.7 0.50 4.1 0.16 13.5 0.53 3/414 17.5 0.69 4.8 0.19 15.7 0.62 3/414 17.5 0.69 4.8 0.19 14.0 0.55 111-1/2 22.4 0.88 4.8 0.19 19.6 0.77 111-1/2 22.4 0.88 4.8 0.19 17.5 0.69 SQUARE AND HEXAGON COUNTERSUNK HEADLESS Figure 3 - Square countersunk headless pipe plugs (NPTF)

48、4WARNING AUTOMOTIVE FILLER AND DRAIN PLUGS ARE PRIMARILY INTENDED FOR INSTALLATION WHERE IT IS DESIRABLE TO LIMIT THE ENTRY OF THE SMALL END OF THE PLUG. SEE GENERAL SPECIFICATIONS. SAE INTERNATIONAL J531 NOV2015 Page 10 of 13 Figure 4 - Square countersunk headless filler and drain plugs (PTF)1 Figure 5 - Hexagon countersunk headless pipe plugs (NPTF) Figure 6 - Hexagon counte