Number Name Status
  • GB/T 1172-1999 《Conversion of hardness and strength for ferrous metal》 Active Products
  • GB/T 6031-1998 《Rubber,vulcanized or thermoplastic--Determination of hardness (hardness between 10IRHD and 100 IRHD)》 Abolish Products
  • GB/T 14235.5-1993 《Testing method for surface hardness of pattern materials in investment casting》 Abolish Products
  • GB/T 3771-1983 《Conversion of hardness and strength for copper alloys》 Active Products
  • GB/T 2654-2008 《Hardness test methods on welded joints》 Active Products
  • GB/T 21304-2007 《Determination of wheat hardness - Hardness index method》 Active Products
  • GB/T 5766-2007 《Test method of Rockwell hardness for friction materials》 Active Products
  • GB/T 2490-2007 《Bonded abrasive products - Hardness grade measurement》 Abolish Products
  • GB/T 10807-2006 《Flexible cellular polymeric materials - Determination of hardness (indentation technique)》 Active Products
  • GB/T 12825-2003 《Polymeric materials,cellular flexible--Determination of hardness by indentation technique》 Active Products
  • GB/T 10425-2002 《Sintered metal friction materials--Determination of apparent hardness》 Active Products
  • GB/T 28850-2012 《Thermostatic baths and circulators - Heated liquid baths》 Active Products
  • GB/T 28853-2012 《Thermostatic baths and circulators - Heated circulators》 Active Products
  • GB/T 26809-2011 《Thermostatic baths and circulators - Refrigerated circulators》 Active Products
  • GB/T 3398.1-2008 《Plastics - Determination of hardness - Part 1: Ball indentation method》 Active Products
  • GB/T 3398.2-2008 《Plastics - Determination of hardness - Part 2:Rockwell hardness》 Active Products
  • GB/T 21838.2-2008 《Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 2: Verification and calibration of testing machines》 Abolish Products
  • GB/T 21838.3-2008 《Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks》 Abolish Products
  • GB/T 21838.1-2008 《Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 1: Test method》 Abolish Products
  • GB/T 6909-2008 《Analysis of water used in boiler and cooling system - Determination of hardness》 Abolish Products
  • GB/T 12832-2008 《Rubber-Determination of crystallization effects by hardness measurements》 Active Products
  • GB/T 35141-2017 《Specifications for insertion type infrared radiation thermometer》 Active Products
  • GB/T 4340.1-2009 《Metallic materials - Vickers hardness test - Part 1: Test method》 Abolish Products
  • GB/T 19870-2005 《Industrial inspecting thermal imagers》 Abolish Products
  • GB/T 4340.4-2009 《Metallic materials - Vickers hardness test - Part 4: Tables of hardness values》 Abolish Products
  • GB/T 19870-2018 《Industrial inspecting thermal imagers》 Active Products
  • GB/T 16534-2009 《Fine ceramics(advanced ceramics,advanced technical ceramics)- Test method for hardness of monolithic ceramics at room temperature》 Active Products
  • GB/T 23651-2009 《Rubber, vulcanized or thermoplastic - Hardness testing - Introduction and guide》 Active Products
  • GB/T 531.2-2009 《Rubber, vulcanized or thermoplastic - Determination of indentation hardness - Part 2: IRHD pocket meter method》 Active Products
  • GB/T 22838.6-2009 《Determination of physical characteristics for cigarettes and filter rods - Part 6: Hardness》 Active Products
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