JJG 2067-1990Verification Scheme of Measuring Instruments for Metallic Rockwell Hardness (English PDF)

JJG 2067-1990 is the English-translated version of 金属洛氏硬度计量器具检定系统.

JJG 2067-1990 is the Chinese metrological standard "Verification Scheme of Measuring Instruments for Metallic Rockwell Hardness". It was issued by the China State Bureau of Technical Supervision. It is obsolete: it has been replaced by JJG 2067-2016.

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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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