Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 2491-1984 Bonded abrasives hardness measurement by Rockwell tester 15.0 via email in 1~3 business day superseded
GB/T 18658-2002 Charpy V reference test pieces for verification of pendulum - Type impact testing machines 150.0 via email in 1~3 business day superseded
JB/T 8285-1999 Reference blocks of shore hardness 90.0 via email in 1~3 business day valid
JB/T 5488-1991 High-frequency Fatigue Tester 120.0 via email in 1~3 business day superseded
GB/T 3808-1995 Pendulum impact testing machines 210.0 via email in 1~3 business day superseded
GB/T 16491-1996 Electronic universal testing machines 255.0 via email in 1~3 business day abolished
GB/T 16826-1997 Electro-hydraulic universal testing machines 135.0 via email in 1~3 business day abolished
GB/T 16825.1-2008 Verification of static uniaxial testing machines - Part 1:Tension/compression testing machines - Verification and calibration of the force-measuring system 180.0 via email in 1 business day valid
GB/T 4341.3-2016 Metallic materials—Shore hardness test—Part 3: Calibration of reference blocks 150.0 via email in 1~3 business day valid
GB/T 21838.3-2008 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks 150.0 via email in 1~3 business day valid
JB/T 8284-1999 Specifications for D-type shore hardness testers 90.0 via email in 1~3 business day valid
GB/T 17394.2-2012 Metallic materials—Leeb hardness test—Part 2:Verification and calibration of hardness testers 200.0 via email in 1 business day valid
GB/T 4340.3-2012 Metallic Vickers hardness test - Part 3 : Calibration of hardness 200.0 via email in 1~3 business day valid
GB/T 231.2-2012 Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines 100.0 via email in 1 business day valid
GB/T 230.2-2012 Metallic materials—Rockwell hardness test—Part 2:Verification and calibration of testing machines 310.0 via email in 1 business day valid
GB/T 16825-1997 Verification of tensile testing machines 150.0 via email in 1~3 business day superseded
GB/T 4340.2-2012 Metallic materials - Vickers hardness test - Part 2:Verification and calibration of testing machines 260.0 via email in 1~3 business day valid
GB/T 231.3-2012 Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks 60.0 via email in 1 business day valid
GB/T 18449.3-2012 Metallic materials - Knoop hardness test - Part 3:Calibration of reference blocks 170.0 via email in 1~3 business day valid
GB/T 21838.2-2008 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 2: Verification and calibration of testing machines 330.0 via email in 1~3 business day valid
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