ASME B18.24-2020 零件识别编号(PIN)代码系统标准适用于B18紧固件产品(英文版).pdf

2020年,ASME,pin,国外及港澳台标准
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Part Identifying Number (PiN) Code System Standard for B18 Fastener Products

Part Identifying Number (PIN) Code System Standard for Bl8 Fastener Products

This Standlard will be revised when the Society approves the issuance of a new edition.

ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations arepublished ontheCommiteeweb page andunder actions ofthe ASME B18 Committee may be published as Cases. Cases are published on the ASME website under the B18 Committee Page at as they are issued.

incorrectlypublished items or tocorrect typographical or grammatical errorsin codes and standards. Such errata shallbe used Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections toon the date posted.

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The American Society of Mechanical Engineers Two Park Avenue New York NY 10016-5990

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Copyright @ 2020 byAll rights reserved Printed in U.S.A.

CONTENTS

Foreword viCommittee Roster viCorrespondence With the B18 Committee 1 Introductory Notes. vi 12 General Guidance. 13 PIN Code Structure.. 2

Tables

1-1 Fastener Family and Type/Base PIN2-1 Thread Type 25 42-2 3-1 Thread and Point Options for Tapping Screws .. Inch Thread 25 253-2 3-3 Inch Size Metric Thread 25 263-4 3-5 Metric Size Miniature Screw Thread 27 283-6 Inch Tapping Screw Thread Metric Tapping Serew Thread 283-7 3-8 Inch Hex Socket Head Shoulder Screw Size 29 293-10 3-9 Metric Hex Socket Head Shoulder Screw Size Inch Spline Socket Set Screw Thread 29 293-12 3-11 Inch Trim Head Machine Screw Size Inch Wood Screw Thread 29 303-13 Inch Lag Screw Thread 303-14 3-15 Inch Rivet Size Weight Inch Rivet Size Number 30 303-16 3-17 Inch Rivet Size/Length Inch Rivet Size 1 30 303-18 3-19 Inch Pin Size 1 31 313-20 Retaining Ring Size Number Inch Pin Size 2 313-21 3-22 Inch Retaining Ring Size Inch Washer Size 1 33 343-23 3-24 Inch Washer Size 2 Inch Washer Size 3 35 353-25 3-26 Inch Washer Size 4 363-27 Metric Washer Size 1 Metric Washer Size 2 36 373-29 3-28 Metric Key Size 1 Metric Key Size 2 37 384-2 4-1 Inch Length/Other Metric Length/Other 38 404-3 Inch Miniature Screw Length 414-4 4-5 Inch Pin Length Insert Length 42 424-6 5-1 Inch Eyebolt Full Thread Length Material and Treatment: ASTM Material Specifications 42 435-2 5-3 Material and Treatment: UNS Heat and Corrosion Resisting Stees Material and Treatment: UNS Carbon and Alloy Steels 82 88

5-4 Material and Treatmen: UNS Nonferrous Materials 935-5 5-6 Material and Treatment: ISO Material Specifications Material and Treatment: SAE Material Specifications 965-7 Material and Treatment: IFI Material Specifications 865-8 5-9 Material and Treatmen: B18.16.1M Material and Treatment: B18.6.6 86 866-1 6-2 Plating Coating and Passivation: Plain Unfinished Plating Coating and Passivation: ASTM Finish Specifications 99 996-3 Plating Coating and Passivation: Govemment Finish Specifications Plating Coating and Passivation: SAE Finish Specifications 1176-4 6-5 Plating Coating and Passivation: ISO Finish Specifications 118 1197-1 7-2 Plain: No Additional Features Miscellaneous Features for Externally Threaded Fasteners 120 1207-3 7-4 Features for Metric Flange Screws General Point Options ...... 120 1207-5 7-6 Neck Options for Large Rivets Features for Metric 12-Spline Screws 120L- Cotter Pin Type 120 1207-8 7-9 SEMs Washer Components Pin Type . 120 120 7-10 7-11 p m po Miscellaneous Features for Socket Head Cap Screws 120 1217-12 7-13 Self-Locking Elements for Set Screws .. 1217-14 Altermate Points for Thumb and Wing Screws (ASME B18.6.8) Thread Class for Track Bolts and Nuts 121 121

Nonmandatory Appendices

B A B18.24.1 B18.24.2 and B18.24.3 PIN Succession Instructions B18.24.1 B18.24.2 and B18.24.3 PIN Succession Tables 128 123C Part Identifying Number System for Bent Bolts per ASME B18.31.5 172

Figures

Instructions 124Part Identification Number (PIN) System for Bent Bolts 173

Tables

B-1 Fastener Family 128B-2 B-3 Fastener Type: Externally Threaded Fastener Type: Internally Threaded and Nonthreaded 142 128B-4 Thread Series: Externally Threaded 143B-5 B-6 Inch Size: Externally Threaded Thread Series: Internally Threaded 143 143B-7 B-8 Inch Size: Internally Threaded Metric Size: Externally Threaded 143 144B-9 B-10 Metric Size: Internally Threaded Inch Miniature Screw Size 144 144B-11 Inch Length: Externally Threaded 144B-12 B-13 Metric Length: Externally Threaded Inch Miniature Screw Length 144 145B-14 B-15B-133 Length: Internally Threaded Dimensions/Other Characteristics: Nonthreaded 145 145B-134 B-135 Material and Treatment A Material and Treatment B 160 163B-136 Plating Coating and Passivation 165B-137 B-138 Additional Features: Externally Threaded Additional Features: Internally Threaded 166 166B-139 B-140 Cross Reference: Table 2-2 Tapping Screw Point AB Additional Features: Nonthreaded 166 166

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