DB32/T 4275-2022
Determination of Torque Coefficient of High-Strength Big Hex Head Bolt Connections for Steel Structures (English Version)
- Standard No.
- DB32/T 4275-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Jiangsu Provincial Standard of the People's Republic of China
- Latest
- DB32/T 4275-2022
- Scope
- This document specifies the terms and definitions for the determination of torque coefficient of high-strength large hexagon head bolt connection pairs for steel structures, test principles, test conditions, test samples, instruments and equipment, test procedures, test data processing and test reports. This document is applicable to the determination of torque coefficients of high-strength large hexagonal head bolts for steel structures with specifications M12 to M30 and performance grades 8.8S and 10.9S in GB/T 1231-2006. The determination of torque coefficients of other types of bolts can also be used Refer to use.
DB32/T 4275-2022 history
- 2022 DB32/T 4275-2022 Determination of Torque Coefficient of High-Strength Big Hex Head Bolt Connections for Steel Structures
