Number
Name
Status
- GB/T 4909.8-2009 《Test methods for bare wires - Part 8: Hardness test - Brinell hardness test》 Active Products
- GB/T 1941-2009 《Method of testing in hardness of wood》 Abolish Products
- GB/T 3903.4-2008 《Footwear - General test methods - Hardness》 Abolish Products
- GB/T 13313-2008 《Methods of shore and leeb hardness testing for rolls》 Active Products
- GB/T 25836-2010 《Rapid determination method of micro-hardness》 Active Products
- GB/T 25940-2010 《IRHD dead-load testers》 Active Products
- GB/T 24523-2009 《Test method for rapid indentation (Brinell) hardness testing of metallic materials》 Abolish Products
- GB/T 18449.1-2009 《Metallic materials - Knoop hardness test - Part 1: Test method》 Abolish Products
- GB/T 18449.4-2009 《Metallic materials - Knoop hardness test - Part 4: Tables of hardness values》 Abolish Products
- GB/T 230.1-2009 《Metallic materials - Rockwell hardness test - Part 1: Test method(scales A、B、C、D、E、F、G、H、K、N、T)》 Abolish Products
- GB/T 231.1-2009 《Metallic materials - Brinell hardness test - Part 1: Test method》 Abolish Products
- GB/T 231.4-2009 《Metallic materials - Brinell hardness test - Part 4: Tables of hardness values》 Active Products
- GB/T 230.2-2012 《Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines(scales A,B,C,D,E,F,G,H,K,N,T)》 Abolish Products
- GB/T 230.3-2012 《Metallic materials - Rockwell hardness test - Part 3：Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)》 Abolish Products
- GB 5959.4-1992 《Safety in electroheat installations--Part 4:General requirements for resistance furnaces》 Abolish Products
- GB/T 10066.4-2004 《Test methods for electroheat installations--Part 4:Indirect resistance furnaces》 Active Products
- GB/T 231.2-2012 《Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines》 Abolish Products
- GB/T 10067.4-2005 《Basic specifications for electroheat installations Part 4:Indirect resistance furnaces》 Active Products
- GB/T 231.3-2012 《Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks》 Abolish Products
- GB/T 28849-2012 《SX series experimental box-shape resistance furnace》 Active Products
- GB/T 4340.2-2012 《Metallic materials - Vickers hardness test - Part 2：Verification and calibration of testing machines》 Abolish Products
- GB/T 10067.44-2014 《Basic specifications for electroheat installations―Part 44: Box-type resistance furnaces》 Active Products
- GB/T 4340.3-2012 《Metallic materials - Vickers hardness test - Part 3：Calibration of reference blocks》 Abolish Products
- GB/T 10067.43-2014 《Basic specifications for electroheat installations―Part 43: Forced convection pit resistance furnaces》 Active Products
- GB/T 6367-2012 《Surface active agents - Preparation of water with known calcium hardness》 Active Products
- GB/T 31137-2014 《Temperature controller for laboratory resistance furnaces》 Active Products
- GB/T 31136-2014 《Temperature control cabinet for industrial resistance furnace》 Active Products
- GB/T 27866-2011 《Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking》 Active Products
- GB/T 30839.4-2014 《Energy consumption grading for industrial electroheat installations―Part 4: Indirect resistance furnaces》 Active Products
- GB/T 27552-2011 《Destructive tests on welds in metallic materials - Microhardness testing of welded joints》 Abolish Products