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GB/T 4341-1984 Metallic materials--Shore hardness test (USD) via email in 1-3 business day ABOLISHED
GB/T 18449.2-2001 Metallic knoop hardness test--Part 2:Verification of hardness testers (USD) via email in 1-3 business day ABOLISHED
GB/T 6803-2008 Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels (USD) via email in 1-3 business day VALID
GB/T 20568-2006 Metallic materials - Tube ring hydraulic pressure test via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 3652-1983 (USD) via email in 1-3 business day ABOLISHED
GB/T 230.3-2002 Metallic Rockwell hardness tes-Part 3:Calibration of hardness reference blocks(scales A,B,C,D, E,F,FG,H,K, N, T) via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 1172-1974 (USD) via email in 1-3 business day ABOLISHED
GB/T 33820-2017 Metallic materials—Ductility testing—High speed compression test for porous and cellular metals (USD) via email in 1-3 business day VALID
GBN 166-1982 Values of hardness and strength for aluminium alloys conversion tables (USD) via email in 1-3 business day ABOLISHED
GB/T 5028-1999 Metallic materials-Sheet and strip-Determination of tensile strain hardening exponent( n-values) (USD) via email in 1-3 business day ABOLISHED
GB/T 22565-2008 Metallic materials - Sheet and strip - Method for springback evaluation in stretch bending (USD) via email in 1-3 business day VALID
GB/T 4337-2015 Metallic materials—Fatigue testing—Rotating bar bending method (USD) via email in 1-3 business day VALID
GB 5775-1986 (USD) via email in 1-3 business day ABOLISHED
GB/T 30064-2013 Metallic materials—Method of constraint loss correction of CTOD fracture toughness for fracture assessment of steel components (USD) via email in 1-8 business day VALID
GB/T 231-1984 Metallic materials--Brinell hardness test (USD) via email in 1-3 business day ABOLISHED
GB/T 24522-2009 Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint (USD) via email in 1-5 business day VALID
GB/T 10120-2013 Metallic materials—Tensile stress relaxation—Method of test (USD) via email in 1-3 business day VALID
GB/T 24522-2020 Metallic materials—Method of test for the determination of resistance to stable crack extension using specimens of low constraint (USD) via email in 1 business day TO BE VALID
GB/T 8358-2014 Steel wire ropes—Determination of measured breaking force (USD) via email in 1-3 business day VALID
GB/T 17473.5-1998 Test methods of precious metal pastes used for thick film microelectronics--Determination of viscosity via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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