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China Knoop GB Standards English PDF List


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  •  China "Knoop" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 18449.4-2022 Metallic materials—Knoop hardness test—Part 4: Tables of hardness values
    金属材料 努氏硬度试验 第4部分: 硬度值表
    China National Standards
    Knoop

    English PDF
    GB/T 9790-2021 Metallic materials—Vickers and Knoop microhardness tests of metallic and other inorganic coatings
    金属材料 金属及其他无机覆盖层的维氏和努氏显微硬度试验
    China National Standards
    Knoop

    English PDF
    GB/T 35085-2018 Destructive tests on welds in metallic materials—Vickers and Knoop Hardness testing of joints welded by laser and electron beam
    金属材料焊缝破坏性试验 激光和电子束焊接接头的维氏和努氏硬度试验
    China National Standards
    Knoop

    English PDF
    GB/T 18449.3-2012 Metallic materials - Knoop hardness test - Part 3:Calibration of reference blocks
    金属材料 努氏硬度试验 第3部分:标准硬度块的标定
    China National Standards
    Knoop

    English PDF
    GB/T 18449.2-2012 Metallic materials - Knoop hardness test - Part 2:Verification and calibration of testing machines
    金属材料 努氏硬度试验 第2部分:硬度计的检验与校准
    China National Standards
    Knoop

    English PDF
    GB/T 7962.18-2010 Test methods of colourless optical glass - Part 18: Knoop hardness
    无色光学玻璃测试方法 第18部分:克氏硬度
    China National Standards
    Knoop

    English PDF
    GB/T 18449.4-2009 Metallic materials - Knoop hardness test - Part 4: Tables of hardness values
    金属材料 努氏硬度试验 第4部分:硬度值表
    China National Standards
    Knoop

    English PDF
    GB/T 18449.1-2009 Metallic materials - Knoop hardness test - Part 1: Test method
    金属材料 努氏硬度试验 第1部分:试验方法
    China National Standards
    Knoop

    English PDF
    GB/T 9790-1988 Metallic and related coatings--Vickers and Knoop microhardness tests
    金属覆盖层及其他有关覆盖层 维氏和努氏显微硬度试验
    China National Standards
    Knoop

    English PDF

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