GB/T 13826-1992
Replaced
GB/T 2490-2018
Active
National standards
GB/T 2490-2018 Bonded abrasive products—Hardness grade measurement
GB/T 2490-2018 Bonded abrasive products—Hardness grade measurement
Basic Information
Standard Code:
GB/T 2490-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Abrasives and abrasive tools
ICS Name:
Abrasives and grinding tools
Publish Date:
2018-07-13
Implement Date:
2019-02-01
Pages:
9 pages
Scope
This standard specifies the methods for testing the hardness of abrasive tools using a sandblasting hardness tester and a Rockwell hardness tester. This standard is applicable to ceramic bonded and resin bonded abrasive tools with an abrasive grain size of F36 to F1200.
Development Information
Replace the following standards
Referenced Standards
GB/T 230.2-2002 Metallic rockwell hardness test—Part 2:Verification and calibration of hardness testers(scales A,B,C,D,E,F,G,H,K,N,T)
GB/T 230.2-2012 Metallic materials—Rockwell hardness test—Part 2:Verification and calibration of testing machines
GB/T 230.2-2022 Metallic materials—Rockwell hardness test—Part 2:Verification and calibration of testing machines and indenters
Related Standards
GB/T 14319-1993
Replaced
GB/T 14319-1993 Superfinishing stone
GB/T 14320-1993
Replaced
GB/T 14320-1993 Vitrified force-honing stone
GB/T 14321-1993
Replaced
GB/T 14321-1993 Testing method for quantities of α-Al2O3 phase in alumina with an X-ray diffractometer
GB/T 14322-1993
Abolished
GB/T 14322-1993 Determination for grain size distribution of microgrits W3.5 to W0.5 of conventional abrasive
GB/T 15305.2-1994
Replaced