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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3488.3-2021 |
Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals 硬质合金 显微组织的金相测定 第3部分：Ti（C,N）和WC立方碳化物基硬质合金显微组织的金相测定 |
China National Standards Hardmetals Metallographic determination |
 English PDF |
| GB/T 3488.2-2018 |
Hardmetals—Metallographic determination of microstructure—Part 2：Measurement of WC grain size 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 |
China National Standards Hardmetals Metallographic determination |
English PDF |
| GB/T 3489-2015 |
Hardmetals—Metallographic determination of porosity and uncombined carbon 硬质合金 孔隙度和非化合碳的金相测定 |
China National Standards Hardmetals Metallographic determination |
English PDF |
| GB/T 3488.1-2014 |
Hardmetals―Metallographic determination of microstructure―Part 1：Photomicrographs and description 硬质合金 显微组织的金相测定 第1部分：金相照片和描述 |
China National Standards Hardmetals Metallographic determination |
English PDF |
| GB/T 3489-1983 |
Hardmetals--Metallographic determination of porosity and uncombined carbon 硬质合金 孔隙度和非化合碳的金相测定 |
China National Standards Hardmetals Metallographic determination |
English PDF |
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