JJF 1478-2014
Calibration Specification for High Strength Bolt Testers (English Version)

Standard No.

JJF 1478-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

National Metrological Technical Specifications of the People's Republic of China

Latest

JJF 1478-2014

Scope

This specification is applicable to the calibration of high-strength bolt detectors with a test force not greater than 500 kN and a test torque not greater than 2 kNm. The detector is mainly used to measure the torque coefficient of high-strength large hexagonal head bolt connections or torsion-shear type high-strength bolt connections. Secondary fastening axial force.

JJF 1478-2014 history

• 2014 JJF 1478-2014 Calibration Specification for High Strength Bolt Testers