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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3488.4-2022 |
Cemented carbide - Metallographic determination of microstructure - Part 4: Metallographic determination of porosity, non-combined carbon defects and decarburized phases {译} 硬质合金 显微组织的金相测定 第4部分：孔隙度、非化合碳缺陷和脱碳相的金相测定 |
China National Standards carburized |
 English PDF |
| GB/T 9095-2008 |
Sintered ferrous materials，carburized or carbonitrided - Determination and verification of case-harding depth 烧结铁基材料渗碳或碳氮共渗层深度的测定及其验证 |
China National Standards carburized |
English PDF |
| GB/T 9450-2005 |
Steels-Determination and verification of the depth of carburized and hardened cases 钢件渗碳淬火硬化层深度的测定和校核 |
China National Standards carburized |
English PDF |
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