GB/T 2490-2007
Bonded abrasive products.Hardness grade measurement (English Version)

Standard No.

GB/T 2490-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

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

Status

Be replaced 2019-02

Replace By

GB/T 2490-2018

Latest

GB/T 2490-2018

Replace

GB/T 2491-2003 GB/T 2490-2003

Scope

This standard specifies the method for testing the hardness of abrasive tools by sand blasting hardness tester and Rockwell hardness tester. This standard is applicable to vitrified bond and resin bond bonded abrasive tools with abrasive particle size of F36-Fl200.

GB/T 2490-2007 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

GB/T 2490-2007 Bonded abrasive products.Hardness grade measurement has been changed from GB/T 2491-2003 Bonded abrasive products--Hardness grade measurement by rockwell tester.