Obsolete

JJG 147-1991Verification Regulation of Standard Brinell Hardness Test Block (English PDF)

标准布氏硬度块检定规程

JJG 147 | Evolution and historical versions

Std ID	Title	Status
JJG 147-2005	Verification Regulation of Metallic Brinell Hardness Reference Blocks	Obsolete
JJG 147-1991	Verification Regulation of Standard Brinell Hardness Test Block	Obsolete

JJG 147-1991 is obsolete. It has been replaced by JJG 147-2005. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Mandatory

Issue date

May 10, 1991

Implementation date

October 1, 1991

Scope

JJG 147-1991 is the English-translated version of 标准布氏硬度块检定规程.

JJG 147-1991 is the Chinese metrological standard "Verification Regulation of Standard Brinell Hardness Test Block". It was issued on May 10, 1991, and took effect on October 1, 1991. It is obsolete: it has been replaced by JJG 147-2005.

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Document preview — JJG 147-1991

Document data

1 Document data

Sector: Metrological Verification (metrological standard).

Date of issue: 1991-05-10.

Date of implementation: 1991-10-01.

Status: obsolete, replaced by JJG 147-2005.

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

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