GB/T 2490-2018
Bonded abrasive products.Hardness grade measurement (English Version)

Standard No.

GB/T 2490-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

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

Latest

GB/T 2490-2018

Replace

GB/T 2490-2007

Scope

This standard specifies the method for testing the hardness of abrasive tools by sand blasting hardness tester and the method for testing the hardness of abrasive tools by Rockwell hardness tester. This standard is applicable to vitrified bond and resin bond bonded abrasive tools with abrasive particle size of F36~F1200.

GB/T 2490-2018 Referenced Document

• GB/T 230.2 Metallic materials—Rockwell hardness test—Part 2: Verification and calibration of testing machines and indenters*， 2022-07-11 Update

GB/T 2490-2018 history

• 2018 GB/T 2490-2018 Bonded abrasive products.Hardness grade measurement
• 2007 GB/T 2490-2007 Bonded abrasive products.Hardness grade measurement
• 2003 GB/T 2490-2003 Bonded abrasive products--Hardness grade measurement by sand blasting