GB/T 4340.2-2012Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (English PDF)
金属材料 维氏硬度试验 第2部分：硬度计的检验与校准
GB/T 4340.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4340.2-2025 | Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines | Valid |
| GB/T 4340.2-2012 | Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines | Obsolete |
GB/T 4340.2-2012 is obsolete. It has been replaced by GB/T 4340.2-2025. 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
December 31, 2012
Implementation date
June 1, 2013
Scope
GB/T 4340.2-2012 is the English-translated version of 金属材料 维氏硬度试验 第2部分：硬度计的检验与校准.
GB/T 4340.2-2012 is the Chinese national standard "Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines".
It was issued on December 31, 2012 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 June 1, 2013. It is obsolete: it has been replaced by GB/T 4340.2-2025.
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Document preview — GB/T 4340.2-2012
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: 2012-12-31.
Date of implementation: 2013-06-01.
Status: obsolete, replaced by GB/T 4340.2-2025.
......
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
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- GB/T 25678-2025Printing machinery - Web offset commercial rotary printing machines
- GB/T 4340.3-2025Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
- GB/T 45505.4-2025Test methods of flat panel display glass substrate — Part 4: Mechanical properties
- GB/T 46424-2025Failure analysis method for oil and gas transportation pipeline girth welds
- GB/T 5617-2025Determination of surface hardening depth for steel
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Related Standards
GB/T 4340.3-2025 — Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
GB/T 4340.1-1999 — Metallic materials--Vickers hardness test-- Part 1: Test method
GB/T 4340.3-2012 — Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks
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GB/T 4340.2-2012
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