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Database: 189760 (5 Jul 2025)
HG 20620-1997 English PDF
HG 20620-1997
: (Steel pipe flanges (American System))
Status: Obsolete
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
HG 20620-1997
English
RFQ
ASK
9 days [Need to translate]
(Steel pipe flanges (American System))
Obsolete
HG 20620-1997
PDF Samples
Basic data
Standard ID
HG 20620-1997 (HG20620-1997)
Description (Translated English)
(Steel pipe flanges (American System))
Sector / Industry
Chemical Industry Industry Standard
Classification of Chinese Standard
J15
Classification of International Standard
23.040.60
Word Count Estimation
31,377
Date of Issue
1997/11/27
Date of Implementation
1998/2/1
Older Standard (superseded by this standard)
HGJ 44��76-1991
Adopted Standard
ISO 7005-1-1992, NEQ; ANSI B16.5-1988, NEQ
Regulation (derived from)
Industry-Science [2009] No. 27
Similar standards
GB/T 19326
HG/T 20623
GB/T 17241.6
HG/T 20611
HG/T 20612
HG/T 20610