GB/T 18449.1-2009 Replaced National standards

GB/T 18449.1-2009 Metallic materials—Knoop hardness test—Part 1:Test method

GB/T 18449.1-2009 Metallic materials—Knoop hardness test—Part 1:Test method

Publish Date: 2009-06-25 Implement Date: 2010-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18449.1-2009

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: \n Test methods for the mechanical properties of metals

ICS Name: Mechanical testing of metal materials

Publish Date: 2009-06-25

Implement Date: 2010-04-01

Pages: 16 pages

Scope

This part of GB/T 18449 specifies the principles, symbols, and explanations of the Nuh's hardness test for metal materials, as well as the hardness tester, samples, test methods, uncertainty of results, and test reports. The test force range specified in this part is 0.09807 N to 19.614 N. This method is only applicable to indentation diagonal lengths ≥ 0.02 mm.

Development Information

Word Count: 20 Thousand words Pages: 16 pages

Same series standard

GB/T 18449.4-2009 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values

Replace the following standards

GB/T 18449.1-2001 Metallic knoop hardness test Part 1:Test method

Superseded by the following standards

GB/T 18449.1-2024 Metallic materials—Knoop hardness test—Part 1:Test method

Referenced Standards

GB/T 18449.2-2001 Metallic knoop hardness test—Part 2:Verification of hardness testers GB/T 18449.2-2012 Metallic materials—Knoop hardness test—Part 2:Verification and calibration of testing machines GB/T 18449.3-2001 Metallic knoop hardness test—Part 3:Calibration of hardness reference blocks GB/T 18449.3-2012 Metallic materials—Knoop hardness test—Part 3:Calibration of reference blocks GB/T 18449.4-2009 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values GB/T 18449.4-2022 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement JJF 1059.2-2012 Monte Carlo Method for Evaluation of Measurement Uncertainty

Adopt standards

ISO 4545-1:2005

Related Standards

GB/T 1814-1979 Active

GB/T 1814-1979 Inspection method for steel work fractures

Publish Date: 1979-12-29

GB/T 2107-1980 Replaced

GB/T 2107-1980 Metal material—Twisting fatigue test

Publish Date: 1980-12-09

GB/T 3075-1982 Replaced

GB/T 3075-1982 Method of axial force controlled fatigue testing of metals

Publish Date: 1982-05-10

GB/T 3373-1982 Replaced

GB/T 3373-1982 Rims for tractors, agricultural and forestry machines

Publish Date: 1982-12-29

GB/T 3771-1983 Active

GB/T 3771-1983 Conversion of hardness and strength for copper alloys

Publish Date: 1983-06-22

GB/T 4105-1983 abolished_transferred

GB/T 4105-1983 Test method for sag of tungsten wire

Publish Date: 1983-12-27