GB/T 230.2-2002Metallic Rockwell hardness test - Part 2: Verification and calibration of hardness testers (scales A, B, C, D, E, F, G, H, K, N, T) (English PDF)
金属洛氏硬度试验 第2部分:硬度计（A、B、C、D、E、F、G、H、K、N、T标尺）的检验与校准
GB/T 230.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 230.2-2022 | Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines and indenters | Valid |
| GB/T 230.2-2012 | Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines (scales A, B, C, D, E, F, G, H, K, N, T) | Obsolete |
| GB/T 230.2-2002 | Metallic Rockwell hardness test - Part 2: Verification and calibration of hardness testers (scales A, B, C, D, E, F, G, H, K, N, T) | Obsolete |
GB/T 230.2-2002 is obsolete. It has been replaced by GB/T 230.2-2012. 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 25, 2002
Implementation date
May 1, 2003
Scope
GB/T 230.2-2002 is the English-translated version of 金属洛氏硬度试验 第2部分:硬度计（A、B、C、D、E、F、G、H、K、N、T标尺）的检验与校准.
GB/T 230.2-2002 is the Chinese national standard "Metallic Rockwell hardness test - Part 2: Verification and calibration of hardness testers (scales A, B, C, D, E, F, G, H, K, N, T)".
It was issued on November 25, 2002 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, 2003. It is obsolete: it has been replaced by GB/T 230.2-2012.
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Document preview — GB/T 230.2-2002
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: 2002-11-25.
Date of implementation: 2003-05-01.
Status: obsolete, replaced by GB/T 230.2-2012.
......
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 10425-2025Sintered metal friction materials — Determination of apparent hardness
- GB/T 46582-2025Petroleum and natural gas industries - Subsurface completion barrier valves and related tools
- GB/T 20042.6-2024Proton exchange membrane fuel cells - Part 6: Test methods for bipolar plate characteristics
- GB/T 42670-2023Test method for Rockwell hardness of carbon materials
- GB/T 230.3-2022Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks
- GB/T 40929-2021Ski-poles for alpine and touring skiing - Requirements and test methods
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Related Standards
GB/T 230.3-2022 — Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks
GB/T 230.1-2004 — Metallic Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 230.3-2012 — Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)
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GB/T 230.2-2002
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