GB/T 18449.2-2001Metallic Knoop hardness test - Part 2: Verification of hardness testers (English PDF)
金属努氏硬度试验 第2部分:硬度计的检验
GB/T 18449.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 18449.2-2012 | Metallic materials - Knoop hardness test - Part 2: Verification and calibration of testing machines | Valid |
| GB/T 18449.2-2001 | Metallic Knoop hardness test - Part 2: Verification of hardness testers | Obsolete |
GB/T 18449.2-2001 is obsolete. It has been replaced by GB/T 18449.2-2012. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
November 5, 2001
Implementation date
May 1, 2002
Scope
GB/T 18449.2-2001 is the English-translated version of 金属努氏硬度试验 第2部分:硬度计的检验.
GB/T 18449.2-2001 is the Chinese national standard "Metallic Knoop hardness test - Part 2: Verification of hardness testers".
It was issued on November 5, 2001 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on May 1, 2002. It is obsolete: it has been replaced by GB/T 18449.2-2012.
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Document preview — GB/T 18449.2-2001
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2001-11-05.
Date of implementation: 2002-05-01.
Status: obsolete, replaced by GB/T 18449.2-2012.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 11354-2025Determination of nitriding hardness depth and metallographic examination for steel
- GB/T 5617-2025Determination of surface hardening depth for steel
- GB/T 18449.1-2024Metallic materials - Knoop hardness test - Part 1: Test method
- GB/T 9790-2021Metallic materials - Vickers and Knoop microhardness tests of metallic and other inorganic coatings
- GB/T 38751-2020General rules of hardness test for heat treated parts
- GB/T 35085-2018Destructive tests on welds in metallic materials -- Vickers and Knoop Hardness testing of joints welded by laser and electron beam
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Related Standards
GB/T 18449.3-2012 — Metallic materials -- Knoop hardness test -- Part 3: Calibration of reference blocks
GB/T 18449.1-2001 — Metallic Knoop hardness test - Part 1: Test method
GB/T 18449.3-2001 — Metallic Knoop hardness test - Part 3: Calibration of hardness reference blocks
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GB/T 18449.2-2001
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