This Document specifies the principles, test equipment, specimens, test procedures, calculation of test results and test reports of the test method for hole expanding of metal sheets and strips. This Document is applicable to the determination of the limiting hole expansion ratio of metal sheets and strips with a thickness of 1.2mm~7.0mm and a width of no less than 90mm.
Basic Data
Standard ID
GB/T 24524-2021 (GB/T24524-2021)
Description (Translated English)
Metallic materials - Sheet and strip - Hole expanding test
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H23
Word Count Estimation
14,118
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
