Chinese Standard: GB/T 3849.1-2015

Hardmetals—Rockwell hardness test(scale A)—Part 1:Test method

NEQ  ISO 3738-1:1982

全国有色金属标准化技术委员会(SAC/TC 243)

GB/T 3849的本部分规定了硬质合金洛氏硬度（A标尺）试验的原理、符号及说明、试验设备、试样、试验程序、结果表示及试验报告。

本部分适用于硬质合金洛氏硬度（A标尺）的测定。

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