GB/T 231.2-2002
Metallic brinell hardness test--Part 2: Verification and calibration of hardness testers (English Version)

Standard No.

GB/T 231.2-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

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

Status

Be replaced 2013-06

Replace By

GB/T 231.2-2012

Latest

GB/T 231.2-2022

Scope

This part of GB/T 231 specifies the inspection and calibration methods for the Brinell hardness tester (hereinafter referred to as the hardness tester) used to determine the Brinell hardness according to the requirements of GB/T 231.1. This part specifies the direct test method for checking the basic functions of the hardness tester and the indirect test method suitable for checking the comprehensive performance of the hardness tester. If the hardness tester is also used for hardness tests by other methods, it shall be inspected according to the respective methods. This section also applies to portable hardness testers, but the term "change of location" in the requirements of 6.1a) does not apply.

GB/T 231.2-2002 history

• 2022 GB/T 231.2-2022 Metallic materials—Brinell hardness test—Part 2: Verification and calibration of testing machines
• 2012 GB/T 231.2-2012 Metallic materials.Brinell hardness test.Part 2:Verification and calibration of testing machines
• 2002 GB/T 231.2-2002 Metallic brinell hardness test--Part 2: Verification and calibration of hardness testers

GB/T 231.2-2002 -All Parts