This Part of GB/T 4437 specifies the requirements, test methods, inspection rules, mark, package, transportation, storage, quality certificate and ordering list (or contract) contents of aluminum and aluminum alloy extruded tubes produced by split-flow combination mold or bride combination mold. This Part is applicable to the aluminum and aluminum alloy seam circular, rectangular, regular polygon tubes (hereinafter referred to as tube) produced by split-flow combination mold or bridge combination mold.
Basic Data
Standard ID
GB/T 4437.2-2017 (GB/T4437.2-2017)
Description (Translated English)
Aluminum and Aluminum Alloy Extruded Tubes - Part 2: Seam Tubes
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H61
Classification of International Standard
77.150.10
Word Count Estimation
13,151
Date of Issue
2017-09-29
Date of Implementation
2018-04-01
Older Standard (superseded by this standard)
GB/T 4437.2-2003
Regulation (derived from)
National Standard Announcement 2017 No. 23
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
