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DL/T 439-2018 (DLT 439-2018)

DL/T 439-2018_English: PDF (DLT439-2018)
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DL/T 439-2018English419 Add to Cart Days<=4 The technical guide for high-temperature bolt of fossil-fired power plant DL/T 439-2018 Valid DL/T 439-2018
 

BASIC DATA
Standard ID DL/T 439-2018 (DL/T439-2018)
Description (Translated English) The technical guide for high-temperature bolt of fossil-fired power plant
Sector / Industry Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard F20
Classification of International Standard 27.100
Word Count Estimation 18,165
Date of Issue 2018-04-03
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) DL/T 439-2006
Quoted Standard GB/T 2; GB/T 3; GB/T 90.1; GB/T 90.2; GB/T 98; GB/T 196; GB/T 197; GB/T 226; GB/T 231.1; GB/T 5779.1; GB/T 5779.2; GB/T 6394; GB/T 17394.1; NB/T 47013.4; NB/T 47013.5; DL/T 441; DL/T 694; DL/T 884; DL/T 1719; DL/T 1845
Drafting Organization Xi'an Thermal Engineering Research Institute Co., Ltd.
Administrative Organization Power Industry Metal Material Standardization Technical Committee
Regulation (derived from) National Energy Administration Announcement No.4 of 2018
Summary This standard stipulates the selection, inspection contents, methods and treatment measures for high temperature fasteners in thermal power plants, and puts forward requirements for the fastening and disassembly of bolts. This standard is applicable to the inspection and treatment of bolts, nuts and washers for cylinders, valves, valves and steam pipe flanges with a working temperature above 400 ��C. For fasteners with a working temperature of 400 �� C and below, refer to the implementation.