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Database: 189760 (18 Oct 2025)
JB/T 74-2015 English PDF
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JB/T 74-2015
: Specification for steel pipe flanges
Status: Valid
JB/T 74: Evolution and historical versions
Standard ID
Contents [version]
USD
STEP2
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Standard Title (Description)
Status
PDF
JB/T 74-2015
English
649
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5 days [Need to translate]
Specification for steel pipe flanges
Valid
JB/T 74-2015
JB/T 74-1994
English
679
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5 days [Need to translate]
Pipeline flange Technical conditions
Obsolete
JB/T 74-1994
JB 74-1959
English
RFQ
ASK
3 days [Need to translate]
(Chinese Industry Standard)
Obsolete
JB 74-1959
PDF similar to JB/T 74-2015
Standard similar to JB/T 74-2015
GB/T 1048
GB/T 1047
GB/T 3765
JB/T 79
JB/T 81
JB/T 75
Basic data
Standard ID
JB/T 74-2015 (JB/T74-2015)
Description (Translated English)
Specification for steel pipe flanges
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J15
Classification of International Standard
23.040.60
Word Count Estimation
28,298
Date of Issue
2015-10-10
Date of Implementation
2016-03-01
Older Standard (superseded by this standard)
JB/T 74-1994
Quoted Standard
GB/T 152.4; GB/T 700; GB/T 711; GB 713; GB/T 1804; GB 3531; GB/T 4237; GB/T 9125; GB/T 12228; GB/T 12229; GB/T 12230; GB/T 14976; GB/T 15601; GB/T 16253; JB/T 75; JB/T 79; JB/T 81; JB/T 82; JB/T 83; JB/T 84; JB/T 85; JB/T 86; JB/T 87; JB/T 88; JB/T 89; JB/T 90; JB/T 5263; JB/T 7248
Regulation (derived from)
PRC MIIT Announcement 2015 No.63
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the material, pressure-temperature ratings, dimensions and tolerances, connection sealing surfaces, fasteners and gaskets, types and dimensions of welded ends, manufacturing, testing and inspection of steel pipe flanges and flange covers And acceptance, marking and supply requirements. This standard applies to steel pipe flanges and flange covers specified in JB/T 75, JB/T 79 and JB/T 81-86.