This Standard specifies classification and marking, technical requirements, test methods, inspection rules, marks, packaging, transportation, storage and quality certificate, purchase order (or contract) content for copper and copper alloy cold-drawn rod and bar. This Standard is applicable to general purpose round, rectangular, square and regular hexagonal copper and copper alloy cold-drawn rod and bar (hereinafter referred to as rod and bar).
Basic Data
Standard ID
GB/T 4423-2020 (GB/T4423-2020)
Description (Translated English)
Copper and copper alloy cold-drawn rod and bar
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H62
Classification of International Standard
77.150.30
Word Count Estimation
16,180
Date of Issue
2020-09-29
Date of Implementation
2021-08-01
Older Standard (superseded by this standard)
GB/T 4423-2007
Regulation (derived from)
National Standard Announcement No. 20 of 2020
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
