JB/T 9998-1999 English Version, JB/T 9998-1999 Circular dies for 55 Degree taper thread (English Version)

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JB/T 9998-1999 Circular dies for 55 Degree taper thread (English Version)
Standard No.:	JB/T 9998-1999	Status:	superseded remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	3500 words	Translation Price(USD):	220.0 remind me the price change Email:
Implemented on:	2000-1-1	Delivery:	via email in 1~3 business day

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Standard No.:	JB/T 9998-1999
English Name:	Circular dies for 55 Degree taper thread
Chinese Name:	55°圆锥管螺纹圆板牙
Chinese Classification:	J41 Cutting tools
Professional Classification:	JB Professional Standard - Machinery
ICS Classification:	25.100.50 25.100.50 Taps and threading dies 25.100.50
Source Content Issued by:	National Technical Committee on Standardization of Cutters
Issued on:	1999-05-20
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	GB/T 20328-2006 Circular dies for taper pipe threads - R series
Superseded on:	2007-1-1
Superseding:	ZB J41015-1989
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	220.0
Delivery:	via email in 1~3 business day

Standard

JB/T 9998-1999 Circular dies for 55 Degree taper thread (English Version)
Standard No.	JB/T 9998-1999
Status	superseded
Language	English
File Format	PDF
Word Count	3500 words
Price(USD)	220.0
Implemented on	2000-1-1
Delivery	via email in 1~3 business day

Detail of JB/T 9998-1999

Standard No.

English Name

Chinese Name

Chinese Classification

Professional Classification

ICS Classification

Issued by

Issued on

Implemented on

Status

Superseded by

Superseded on

Abolished on

Superseding

Language

File Format

Word Count

Price(USD)

Keywords

Introduction of JB/T 9998-1999

JB/T 9998-1999 本标准是对 ZB J41 015-89《55°圆锥管螺纹圆板牙》的修订。修订时，对圆板牙的硬度值做了调整，增加了刀具样本大小的规定和对试验结果的评定结论。并按有关规定进行了编辑性修改，其他技术内容未改变。原标准非等效采用国际标准 ISO 4230-1987《圆锥管螺纹 R 系列的手用和机用圆板牙》本标准规定 55°圆锥管螺纹圆板牙（以下简称圆板牙）的型式和尺寸、技术要求、性能试验及标志和包装的基本要求。本标准适用于加工用螺纹密封的管螺纹（按 GB/T 7306-1987《用螺纹密封的管螺纹》）R 系列的圆板牙。本标准于年月日首次发布。

Contents of JB/T 9998-1999

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