SAE J 1237-2017 Metric Thread Rolling Screws.pdf
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1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLV published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is th
2、e sole respoQVLELOLWRIWKHXVHU SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2016 SAE International All rights reserved. No part of this publication may be
3、 reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) F
4、ax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/J1237_201709 SURFACE VEHICLE STANDARD J1237 SEP2017 Issued 1978-06 Revised 2017-09 Superseding J1237 MAR2001 (R)
5、 Metric Thread Rolling Screws RATIONALE This SAE Standard has been completely revised. 1. SCOPE This SAE Standard covers material, dimensional, performance and test requirements for metric thread rolling screws suitable for use in general engineering applications. 1.1 Requirements for three material
6、-process options are stated: a. Screws (in sizes 2 x 0.4 thru 12 x 1.75) manufactured from low carbon steel, carbonitrided, and tempered. These VFUHZVDUHGHVLJQDWHG6$(-7SH b. Screws (in sizes 2 x 0.4 thru 12 x 1.75) manufactured from medium carbon alloy steel, heat treated to achieve properties compa
7、rable to ISO 898-1 property class 9.8 screws, and additionally, with the point selectively hardened. These screws DUHGHVLJQDWHG6$(-7SH c. Screws (in sizes 5 x 0.8 thru 12 x 1.75) manufactured from medium carbon alloy steel, heat treated to achieve properties comparable to ISO 898-1 property class 10
8、.9 screws, and additionally, with the point selectively hardened. These VFUHZVDUHGHVLJQDWHG6$(-7SH 1.2 When SAE J1237 is specified without Type designation, eitKHU7SHRU7SHPDEHVXSSOLHG 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent sp
9、ecified herein. Unless otherwise indicated, 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 J423
10、Methods of Measuring Case Depth SAE J864 Surface Hardness Testing and Files SAE INTERNATIONAL J1237SEP2017 Page 2 of 15 2.1.2 ASTM Publications 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 F1470 Standa
11、rd Guide for Fastener Sampling for Specified Mechanical Properties and Performance Inspection ASTM F2328M Standard Test Method for Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts, Screws and Studs Metric ASTM F606/F606M Standard Test Methods for Determinin
12、g the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets 2.1.3 ASME Publication Available from ASME, P.O. Box 2900, 22 Law Drive, Fairfield, NJ 07007-2900, Tel: 800-843-2763 (U.S./Canada), 001-800-843-2763 (Mexico), 973-882-1170 (outside North America), www.as
13、me.org. ASME B18.18 Quality Assurance for Fasteners 2.1.4 ISO Publications Copies of these documents are available online at http:/webstore.ansi.org/ ISO 898-1 Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes Coar
14、se thread and fine pitch thread ISO 1207 Slotted cheese head screws Product grade A ISO 1580 Slotted pan head screws Product grade A ISO 2009 Slotted countersunk flat head screws (common head style) Product grade A ISO 2010 Countersunk slotted raised head screws (common head style) Product grade A I
15、SO 4014 Hexagon head bolts Product grade A ISO 4162 Hexagon flange bolts Small series ISO 7045 Pan head screws with type H or type Z cross recess Product grade A ISO 7046-2 Countersunk flat head screws (common head style) with type H or type Z cross recess Product grade A Part 2: Steel screws of pro
16、perty class 8.8, stainless steel screws and non-ferrous screws ISO 7047 Countersunk raised head screws (common head style) with type H or type Z cross recess Product grade A ISO 7048 Cross-recessed cheese head screws ISO 14580 Hexalobular socket cheese head screws ISO 14583 Hexalobular socket pan he
17、ad screws ISO 14584 Hexalobular socket raised countersunk head screws SAE INTERNATIONAL J1237SEP2017 Page 3 of 15 3. REQUIREMENTS 3.1 Material and Process Requirements - 7SH 3.1.1 Material and Chemistry 7SH 7SH VFUHZV VKDOO EHPDGH IURP FROG KHDGLQJ TXDOLW NLOOHG VWHH O ZLUH FRQIRUPLQJ WR WKH FKHPLFD
18、O FRPSRVLWLRQrequirements in Table 1: Table 1 - 7SH - Chemical composition requirements - composition limits1, % by mass Analysis Carbon Min Carbon Max Manganese Min Manganese Max Cast or Heat 0.15 0.25 0.70 1.65 Product 0.13 0.27 0.64 1.71 3.1.2 Heat Treatment 7SH 7SHVFUHZVVKDOOEHKHDWWUHDWHGLQDFRQW
19、LQXRXV carbonitriding or gas carburizing system. Cyaniding systems may be approved by the purchaser when a continuous flow (no batch) quenching process is employed that consistently produces uniform case and core hardness. 3.1.3 Tempering Temperatures 7SH Minimum tempering temperatures shall be 340
20、C. 3.2 Material and Process Requirements - 7SHVDQG 3.2.1 Material and Chemistry - 7SHVDQG Material for 7SHDQGVFUHZVVKDOOPHHWFKHPLFDOFRPSRVLWLRQSHU3URSHUW and meet the performance requirements specified in Table 8 for Non-lubricated screws. Screws supplied lubricated, either integral with coating or
21、supplemental; shall meet the performance requirements specified in Table 8 for Lubricated screws. Screws shall be suitably treated to avoid hydrogen embrittlement in accordance with the specified finish specification. In cases where screws are plated or coated following delivery to the purchaser (or
22、 where plating or coating of screws is otherwise under the control of the purchaser) the screw producer shall not be responsible for failures of the screw to meet mechanical or performance requirements due to plating or coating. 3.4 Dimensional Requirements 3.4.1 Head Dimensions Head dimensions shal
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