GB/T 3159-1992
Replaced
GB/T 18449.3-2012
Active
National standards
GB/T 18449.3-2012 Metallic materials—Knoop hardness test—Part 3:Calibration of reference blocks
GB/T 18449.3-2012 Metallic materials—Knoop hardness test—Part 3:Calibration of reference blocks
Basic Information
Standard Code:
GB/T 18449.3-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metallic material testing machine
ICS Name:
Mechanical testing
Publish Date:
2012-12-31
Implement Date:
2013-06-01
Pages:
11 pages
Scope
This part of GB/T 18449 specifies the calibration method for standard hardness blocks (hereinafter referred to as standard blocks) used for indirect testing with the Knoop hardness tester described in GB/T 18449.2—2012.
This part is only applicable to indentations with a long diagonal length of not less than 0.02 mm.
Development Information
Same series standard
Replace the following standards
Referenced Standards
GB/T 3505-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Terms,definitions and surface texture parameters
GB/T 18449.1-2009 Metallic materials—Knoop hardness test—Part 1:Test method
GB/T 18449.2-2009
GB/T 13634-2000 Calibration of force-proving instruments used for the verification of testing machines
GB/T 13634-2008 Calibration of force-proving instruments used for the verification of uniaxial testing machines
GB/T 13634-2019 Metallic materials—Calibration of force-proving instruments used for the verification of uniaxial testing machines
Adopt standards
ISO 4545-3:2005
Related Standards
GB/T 3722-1992
Replaced
GB/T 3722-1992 Hydraulic compression testing machines
GB/T 15099-1994
Abolished
GB/T 15099-1994 Test methods for mechanical shock fragility of products, using shock machines
GB/T 16491-1996
Replaced
GB/T 16491-1996 Electronic universal testing machines
GB/T 16826-1997
Replaced
GB/T 16826-1997 Electro-hydraulic universal testing machines
GB/T 9238-1998
Replaced