This Standard specifies the classification and labeling, technical requirements, test methods, inspection rules, marking, packing, transporting, storing and quality certificate, and order form (or contract) content of seamless inner grooved copper tube. This Standard applies to seamless inner grooved copper tube for air conditioning and refrigeration equipment (hereinafter referred to as "tube").
Basic Data
Standard ID
GB/T 20928-2020 (GB/T20928-2020)
Description (Translated English)
Seamless inner grooved copper tube
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H62
Classification of International Standard
77.150.30
Word Count Estimation
19,145
Date of Issue
2020-09-29
Date of Implementation
2021-08-01
Older Standard (superseded by this standard)
GB/T 20928-2007
Regulation (derived from)
National Standard Announcement No. 20 of 2020
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
