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GB/T 3849.2-2010Hard metals -- Rockwell hardness test (scale A) -- Part 2: Preparation and calibration of standard test blocks (English PDF)

硬质合金洛氏硬度试验(A标尺) 第2部分：标准试块的制备和校准

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Recommended

Issue date

January 14, 2011

Implementation date

November 1, 2011

Scope

GB/T 3849.2-2010 is the English-translated version of 硬质合金洛氏硬度试验(A标尺) 第2部分：标准试块的制备和校准.

GB/T 3849.2-2010 — This part of GB/T 3849 specifies the preparation and calibration of the standard test block for calibration of Rockwell hardness (A scale) and indenter A standard test piece, a standard test block and a working standard block.

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Document preview — GB/T 3849.2-2010

National Standard of the People's Republic of China

ICS: 77.160
Classification: H 16

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard provides for the correction by the Rockwell hardness machine (A scale) and head of the parent standard test and calibration carbide blocks each turn a standard test block, two blocks and work standard test standard test block.

Document data

International classification (ICS): 77.160.

Chinese classification (CCS): H16.

Estimated length of the Chinese original: 9,988 words.

Adopted international standard: ISO 3738-2-1988, IDT.

Standards quoted by this document

GB/T 3849

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 3488.2-2025Hardmetals - Metallographic determination of microstructure - Part 2: Measurement of WC grain size

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