GB/T 27552-2021 Translated English of Chinese Standard (GB/T 27552-2021, GBT27552-2021): Destructive tests on welds in metallic materials -- Microhardness testing of welded joints

Front Cover, Oct 14, 2022 - House & Home - 15 pages
This document specifies the general rules, specimen preparation, test procedures, test results and test report of the microhardness testing of welded joints [the range of test force is generally: 0.98 N ~ < 49.03 N (HV 0.1 ~ < HV 5)] performed in accordance with GB/T 4340.1. This document is applicable to the cross-sectional microhardness test of welded joints of metallic materials with a large hardness gradient.

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