DL/T 821-2017 English PDF

US$829.00 · In stock
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DL/T 821-2017: Radiographic examination and quality classification of welded butt joints in metallic materials
Status: Valid

DL/T 821: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
DL/T 821-2017	829	Add to Cart	6 days	Radiographic examination and quality classification of welded butt joints in metallic materials	Valid
DL/T 821-2002	799	Add to Cart	4 days	The code of radiographic examination of butt welded-joints of pressure steels pipes and tubes	Obsolete

Similar standards

GB/T 14480.2   JB/T 8290   GB 22448   

Basic data

Standard ID: DL/T 821-2017 (DL/T821-2017)
Description (Translated English): Radiographic examination and quality classification of welded butt joints in metallic materials
Sector / Industry: Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard: N78
Classification of International Standard: 19.100
Word Count Estimation: 36,381
Date of Issue: 2017-11-15
Date of Implementation: 2018-03-01
Older Standard (superseded by this standard): DL/T 821-2002
Regulation (derived from): National Energy Board Bulletin 2017 No. 10
Issuing agency(ies): National Energy Administration
Summary: This standard specifies the technical requirements and quality classification methods for X-ray and gamma ray detection of metal fusion welded butt joints. This standard applies to the radiation inspection of metal material fusion welding butt joints in the power industry. This standard does not apply to the radiation inspection of butt joints such as friction welding and flash welding.

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