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GB/T 38250-2019 Metallic materials—Verification of the alignment of fatigue testing machines (USD) via email in 1-5 business day VALID
GB/T 5318-1985 Sintered metals materials,excluding hardmetals; Unnotched impact test piece (USD) via email in 1-3 business day ABOLISHED
GB/T 21838.3-2008 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks (USD) via email in 1-3 business day VALID
GB/T 5027-2016 Metallic materials—Sheet and strip—Determination of plastic strain ratio (USD) via email in 1-3 business day VALID
YB/T 5345-2006 Metallic materials -- Rolling contact fatigue test (USD) via email in 1-3 business day ABOLISHED
GB/T 13321-1991 The method of hardness testing on iron and steel with file (USD) via email in 1 business day ABOLISHED
GB/T 5678-1985 The method for sampling cast alloys for spectrochemical analysis (USD) via email in 1-3 business day ABOLISHED
GB/T 2358-1994 Test method for crack-tip opening displacement measurement of metallic materials via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 239.1-2012 Metallic materials - Wire - Part 1: Simple torsion test (USD) via email in 1-3 business day VALID
GB/T 18449.3-2001 Metallic knoop hardness test--Part 3:Calibration of hardness reference blocks (USD) via email in 1-3 business day ABOLISHED
GB/T 12160-2019 Metallic materials—Calibration of extensometers systems used in uniaxial testing (USD) via email in 1-8 business day VALID
GB/T 1817-1995 Test method of impact ductility for hard metal alloys at room temperature (USD) via email in 1-3 business day ABOLISHED
GB/T 37306.1-2019 Metallic materials—Fatigue testing—Variable amplitude fatigue testing—Part 1:General principles,test method and reporting requirements (USD) via email in 1-3 business day VALID
GB/T 4340.3-1999 Metallic Vickers hardness test--Part 3:Calibration of hardness reference blocks (USD) via email in 1-3 business day ABOLISHED
GB/T 12443-2017 Metallic materials—Torque-controlled fatigue testing (USD) via email in 1-3 business day VALID
GB/T 15825.3-2008 Sheet metal formability and test methods - Part 3: Drawing and drawing load test (USD) via email in 1-3 business day VALID
GB/T 21143-2014 Metallic materials—Unified method of test for determination of quasistatic fracture toughness (USD) via email in 1-10 business day VALID
GB/T 17394.4-2014 Metallic materials—Leeb hardness test—Part 4:Tables of hardness values conversation (USD) via email in 1-3 business day VALID
GB/T 4158-1984 The izod impact test on metals (USD) via email in 1-3 business day ABOLISHED
GB/T 231.3-2002 Metalic Brinell hardness test--Part 3:Calibration of hardness reference blocks via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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