Number Name Status
  • GB/T 2490-2018 《Bonded abrasive products—Hardness grade measurement》 Active Products
  • GB/T 6909-2018 《Analysis of water used in boiler and cooling system—Determination of hardness》 Active Products
  • GB/T 230.1-2018 《Metallic materials—Rockwell hardness test—Part 1:Test method》 Active Products
  • GB/T 231.1-2018 《Metallic materials—Brinell hardness test—Part 1: Test method》 Active Products
  • GB/T 35085-2018 《Destructive tests on welds in metallic materials—Vickers and Knoop Hardness testing of joints welded by laser and electron beam》 Active Products
  • GB/T 3903.4-2017 《Footwear—Test methods for whole shoe—Hardness》 Active Products
  • GB/T 34205-2017 《Metallic materials—Hardness testing—Ultrasonic contact impedance method》 Active Products
  • GB/T 3854-2017 《Test method for hardness of reinforced plastics by means of a Barcol impresser》 Active Products
  • GB/T 39693.6-2020 《Rubber, vulcanized or thermoplastic—Determination of hardness—Part 6: Apparent hardness of rubber-covered rollers by IRHD method》 Active Products
  • GB/T 39697.1-2020 《Rubber or plastics covered rollers—Specifications—Part 1: Requirements for hardness》 Active Products
  • GB/T 24523-2020 《Metallic materials—Test method for rapid indentation (Brinell type) hardness testing》 Active Products
  • GB/T 39535-2020 《Test method for shore hardness of carbon materials》 Active Products
  • GB/T 39082-2020 《Test method of vickers hardness testing for resistance spot,projection and seam welds》 Active Products
  • GB/T 38751-2020 《General rules of hardness test for heat treated parts》 Active Products
  • GB/T 9966.5-2020 《Test methods for natural stone—Part 5:Determination of hardness》 Active Products
  • GB/T 38119-2019 《Verification of Shore durometers》 Active Products
  • GB/T 38243-2019 《Rubber—Calibration and verification of hardness testers》 Active Products
  • GB/T 37782-2019 《Metallic materials—Indentation test—Determination of strength, hardness and stress-strain curve》 Active Products
  • GB/T 17394.3-2022 《Metallic materials—Leeb hardness test—Part 3: Calibration of reference test blocks》 Active Products
  • GB/T 230.2-2022 《Metallic materials—Rockwell hardness test—Part 2: Verification and calibration of testing machines and indenters》 Active Products
  • GB/T 4340.4-2022 《Metallic materials—Vickers hardness test—Part 4:Tables of hardness values》 Active Products
  • GB/T 18449.4-2022 《Metallic materials—Knoop hardness test—Part 4: Tables of hardness values》 Active Products
  • GB/T 1927.19-2021 《Test methods for physical and mechanical properties of small clear wood specimens—Part 19: Determination of static hardness》 Active Products
  • GB/T 39693.9-2021 《Rubber, vulcanized or thermoplastic—Determination of hardness—Part 9:Calibration and verification of hardness testers》 Active Products
  • GB/T 27552-2021 《Destructive tests on welds in metallic materials—Microhardness testing of welded joints》 Active Products
  • GB/T 39693.3-2021 《Rubber, vulcanized or thermoplastic—Determination of hardness—Part 3:Dead-load hardness using the very low rubber hardness (VLRH) scale》 Active Products
  • GB/T 42400-2023 《Hardness test methods on metal parts repaired by laser cladding》 Active Products
  • GB/T 231.2-2022 《Metallic materials—Brinell hardness test—Part 2: Verification and calibration of testing machines》 Active Products
  • GB/T 231.3-2022 《Metallic materials—Brinell hardness test—Part 3:Calibration of reference blocks》 Active Products
  • GB/T 21838.2-2022 《Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 2: Verification and calibration of testing machines》 Products
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