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Chinese Standard: GB/T 39522-2020

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Metric series wires for the pitch diameters of screw threads


Standard in brief
Scope of Application:  
本标准规定了螺纹中径量针的材料、表面硬度和粗糙度、米制系列公称直径、直径公差、直径检测方法、标记和包装。
本标准适用于升角小于5°、具有标准螺距的普通螺纹(M)、统一螺纹(UN)、55°管螺纹(G、R)、60°密封管螺纹(NPT、NPSC、NPTF)和梯形螺纹(Tr)中径测量。量针主要用于螺纹塞规中径校准。
注: 有关螺纹中径跨线测量法,参见 GB/T 28703 或 GB/T 32534。

Basic information
Standard No:GB/T 39522-2020
Standard Name:螺纹中径米制系列量针
English Name:Metric series wires for the pitch diameters of screw threads
Standard Status:现行
Release Date:2020-11-19
Effective Date:2021-03-01
Language of Publication:中文简体

Standard Classification
ICS Number:17.040.30;21.040.01
CCS Number:J04

Related Standards
Referenced Standards:GB/T 14791,GB/T 19765
Adopted Standards:ISO 16239:2013
Adopted Standard Name:《测量螺纹用米制系列量针》

Publication Information
Number of pages:12
Number of words:16 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2020-11-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:39522
Drafter:马俊杰、李晓滨、蔡明钢、梁平、栾俭新、薛俊义
Drafting Organization:深圳市中图仪器股份有限公司、中机生产力促进中心、上海市计量测试技术研究院、广东省计量科学研究院、北京汽车集团越野车有限公司、上海市紧固件和焊接材料技术研究所有限公司
Management Organization:全国螺纹标准化技术委员会(SAC/TC 108)、全国量具量仪标准化技术委员会(SAC/TC 132)
Proposing Department:全国螺纹标准化技术委员会(SAC/TC 108)

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