HG/T 20634-2009: Bolting for use with steel pipe flanges (Class designated)

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Scope

This Standard specifies style, dimension, material, mark, technical requirements and application
provisions for boltings of steel pipe flange (Class designated).
This Standard is applicable to boltings of steel pipe flange of HG/T 20615 and HG/T 20623, which
include hexagon head bolting, isometric studs, full thread studs and nut.

Basic Data

Standard ID	HG/T 20634-2009 (HG/T20634-2009)
Description (Translated English)	Bolting for use with steel pipe flanges (Class designated)
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	32,390
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20634-1997
Quoted Standard	GB/T 2; GB/T 90.1; GB/T 90.2; GB/T 196; GB/T 197; GB/T 901; GB/T 1220; GB/T 3077; GB/T 3098.1; GB/T 3098.2; GB/T 3098.6; GB/T 3098.15; GB/T 3103.1; GB/T 5133-1985; GB/T 5782; GB/T 6170; GB/T 5779.1; GB/T 5779.2; GB/T 5779.3; HG/T 20615; HG/T 20623; HG/T 20635; JB/T 4730; JB/T 5822-1991; JB/T 8150-1999; DL/T 439
Regulation (derived from)	Engineering [ 2009 ] No. 27
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the steel pipe flanges (Class Series) fasteners of the type, size, material, marking, technical requirements and restrictions. This standard applies to HG/T 20615, HG/T 20623 steel pipe flanges with fasteners, including hex head bolts, fully threaded studs and nuts.