Download or read book GB T 2970 2016 Translated English of Chinese Standard GBT 2970 2016 GB T2970 2016 GBT2970 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2016-10-01 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the general requirements, contrast samples, testing instruments and equipment, test conditions and methods, defect determination and assessment, quality grading of steel plates, and testing report of the ultrasonic testing of thicker steel plates.