Download or read book Q/BQB 660-2021 Translated English of Chinese Standard. (QBQB660-2021) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-01-06 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the size, shape, technical requirements, inspection and test, marking and quality certificates of high-strength steel plates for pressure vessels. This Standard is applicable to high-strength steel plates for large heat input welding (welding heat input ??100kJ/cm) and low welding crack sensitive pressure vessels produced by Baoshan Iron and Steel Co., Ltd.