Download or read book GB T 229 2020 Translated English of Chinese Standard GBT 229 2020 GB T229 2020 GBT229 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-01-10 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the Charpy pendulum impact test method for measuring the energy absorbed by impact specimens (V-shaped, U-shaped notch, unnotched specimens) in the impact test of metallic materials. This standard applies to the Charpy pendulum impact test under room temperature, high temperature or low temperature conditions, but does not include the instrumental impact test method, the content of this part is as shown in GB/T 19748.