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JJG 2068-1990 English PDF

US$199.00 ยท In stock
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JJG 2068-1990: Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 2068-1990English199 Add to Cart 2 days [Need to translate] Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness Obsolete JJG 2068-1990

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Basic data

Standard ID JJG 2068-1990 (JJG2068-1990)
Description (Translated English) Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 5,593
Date of Issue 6/12/1905
Date of Implementation 2/1/1991
Summary This standard applies to Table 1 15N, 30N, 45N, 15T, 30T, 45T metal surface Rockwell hardness scale (hereinafter referred to as table Rockwell hardness) verification of measuring instruments, the provisions of the national benchmarks from vice to work through a standard benchmark Rockwell hardness measuring instruments a table value transfer procedures, the basic test methods and corresponding uncertainty.

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