GB/T 4380-2004
Assessment of departure from roundness Two-and three-point methods (English Version)

Standard No.

GB/T 4380-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4380-2004

Replace

GB/T 4380-1984

Scope

This standard specifies the method of evaluating the roundness error value by two-point and three-point measurement. This standard is applicable to measuring the roundness error of inner and outer circular elements of parts. This standard is a specific regulation of GB/T 1958 roundness error detection.

GB/T 4380-2004 history

• 2004 GB/T 4380-2004 Assessment of departure from roundness Two-and three-point methods
• 1984 GB/T 4380-1984 Assessment of departure from roundness--Two and three point methods