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Database: 189760 (11 Oct 2025)
HG/T 20545-2018 English PDF
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HG/T 20545-2018
: Technical specification of fabrication for pressure components of chemical furnace
Status: Valid
HG/T 20545: Evolution and historical versions
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Standard Title (Description)
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HG/T 20545-2018
English
969
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Technical specification of fabrication for pressure components of chemical furnace
Valid
HG/T 20545-2018
HG 20545-1992
English
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6 days [Need to translate]
Technical Specification of Shop Fabrication for Pressure Parts of Chemical Furnace
Obsolete
HG 20545-1992
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Basic data
Standard ID
HG/T 20545-2018 (HG/T20545-2018)
Description (Translated English)
Technical specification of fabrication for pressure components of chemical furnace
Sector / Industry
Chemical Industry Standard (Recommended)
Classification of Chinese Standard
G93
Classification of International Standard
71.120
Word Count Estimation
42,470
Date of Issue
2018-07-04
Date of Implementation
2019-01-01
Older Standard (superseded by this standard)
HG 20545-1992
Quoted Standard
GB/T 150.4; GB/T 228.1; GB/T 1804-2000; GB/T 5677; GB/T 6394; GB/T 6414; GB/T 8492; GB/T 10561; GB/T 12459; GB/T 16507.5; GB/T 16507.6; GB/T 19326; GB/T 30583; HG/T 20684; NB/T 47008; NB/T 47010; NB/T 47013.2-2015; NB/T 47013.3-2015; NB/T 47013.4-2015
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No.36 of 2018
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the material selection and material re-inspection requirements for pressure-bearing components of chemical industry tubular furnaces, the manufacturing and inspection requirements for rolling furnace tubes, centrifugal casting furnace tubes and pipe fittings, the welding and post-weld heat treatment of pressure components, and the pressure components. Provisions for inspection, non-destructive testing and withstand voltage tests. This standard is applicable to the manufacture, inspection and acceptance of pressure components of chemical industry tubular furnaces for direct flame heating. Not applicable to pressurized cylinders, heads and components with refractory lining, such as gasifiers, two-stage reformers, cold-walled manifolds, etc.