GB/T 3488.2-2018Hard metals - Metallographic determination of microstructure - Part 2: Measurement of WC grain size (English PDF)

GB/T 3488.2-2018 is the English-translated version of 硬质合金 显微组织的金相测定 第2部分：WC晶粒尺寸的测量.

GB/T 3488.2-2018 is the Chinese national standard "Hard metals - Metallographic determination of microstructure - Part 2: Measurement of WC grain size". It was issued on July 13, 2018 by the State Administration for Market Regulation and the Standardization Administration of China, and took effect on April 1, 2019. It is obsolete: it has been replaced by GB/T 3488.2-2025.

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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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