This document describes the methods for ultrasonic testing of copper and copper alloy bars. The content includes method principles, general requirements, instruments and equipment, selection of testing types, comparison test blocks, testing steps, defect assessment, quality grades, and testing reports. This document is applicable to the ultrasonic testing of circular, rectangular, square and regular hexagonal copper and copper alloy bars (hereinafter referred to as "bars") with a diameter of not less than 10 mm by the Type A pulse longitudinal wave reflection method.
Basic Data
Standard ID
GB/T 3310-2023 (GB/T3310-2023)
Description (Translated English)
Ultrasonic testing method of copper and copper alloy bars
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H26
Classification of International Standard
77.040.20
Word Count Estimation
9,979
Date of Issue
2023-11-27
Date of Implementation
2024-06-01
Older Standard (superseded by this standard)
GB/T 3310-2010
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
