GB/T 4121-1983
Replaced
GB/T 32057-2015
Active
National standards
GB/T 32057-2015 Test method for glass hardness and scratch resistance of high speed multiple unit
GB/T 32057-2015 Test method for glass hardness and scratch resistance of high speed multiple unit
Basic Information
Standard Code:
GB/T 32057-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Ceramics, glass
ICS Name:
\nGlass
Publish Date:
2015-10-13
Implement Date:
2016-09-01
Pages:
6 pages
Scope
This standard specifies the terms and definitions, test instruments, test requirements, test procedures, and test reports for the hardness and scratch resistance testing of high-speed EMU glass.
This standard applies to the hardness and scratch resistance testing of high-speed EMU glass with a design speed of not less than 200 km/h. The hardness and scratch resistance testing of other types of glass can be used for reference.
Development Information
Referenced Standards
GB/T 4340.2-1999 Metallic vickers hardness test—Part 2:Verification of hardness testers
GB/T 4340.2-2012 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines
GB/T 4340.2-2025 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines
Related Standards
GB/T 4870-1985
Abolished
GB/T 4870-1985 Sheet glass dimension series
GB/T 5432-1985
Replaced
GB/T 5432-1985 The density of daily use glass—Test method
GB/T 5433-1985
Replaced
GB/T 5433-1985 The transmittance of daily use glass—Test method
GB/T 5949-1986
Replaced
GB/T 5949-1986 Test method of alveolus and gas line in transparent silica glass
GB/T 6581-1986
Replaced