This standard specifies the inspection items, batching rules, sampling rules and test methods for the inspection of cemented carbide products.
This standard is applicable to the inspection and test for chemical composition, physical and mechanical properties, microstructure, geometric dimension and appearance quality of sintered cemented carbide products.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 1817 Test method for impact toughness of cemented carbides at room temperature
GB/T 3488 (all Parts) Hardmetals - Metallographic determination of microstructure
GB/T 3489 Hardmetals - Metallographic determination of porosity and uncombined carbon
GB/T 3848 Hardmetals - Determination of (the magnetization) coercivity
GB/T 3849 (all Parts) Hardmetals - Rockwell hardness test (scale A)
GB/T 3850 Impermeable sintered metal materials and hardmetals - Determination of density
GB/T 3851 Hardmetals - Determination of transverse rupture strength
GB/T 4324.25 Methods for chemical analysis of tungsten - Part 25: Determination of oxygen content - Pulse heating inert gas fusion-infrared absorption method
GB/T 5124 (all Parts) Methods for chemical analysis of hardmetals
GB/T 5166 Sintered metal materials and hardmetals - Determination of Young's modulus
GB/T 7997 Hardmetals - Vickers hardness test
GB/T 11108 Test method for thermal diffusivity of hardmetal
GB/T 20255 (all Parts) Methods for chemical analysis of hardmetals
GB/T 23369 Standard test method for determination of magnetic saturation (MS) of cemented carbides
GB/T 26050 Hardmetals - Determination of contents of metallic elements by X-ray fluorescence - Fusion method
