GB/T 4295-2019 Translated English of Chinese Standard (GB/T 4295-2019, GBT4295-2019): Tungsten carbide powder [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 5. jun. 2023 - 11 sider This Standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and purchase orders (or contracts) for tungsten carbide powder. This Standard applies to tungsten carbide powder with an average particle size no less than 0.6¦Ìm for the production of cemented carbide and other powder metallurgy products. |
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... Clause 1 of this Edition; Clause 1 of the 2008 Edition); --- Modify the product designation; and divide tungsten carbide powder into 18 designations according to the average particle size (see 3.1 of this Edition; 3.1 of the 2008 ...
... Clause 1 of this Edition; Clause 1 of the 2008 Edition); --- Modify the product designation; and divide tungsten carbide powder into 18 designations according to the average particle size (see 3.1 of this Edition; 3.1 of the 2008 ...
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18 designations according analysis of hard-metals analysis of tungsten Appearance quality average particle average particle size Batch by batch Batch number batch of products carried out according Cemented Carbide chemical analysis Chemical composition Clause combined carbon content content and oxygen determined through negotiation Document Edition Form or Contract free carbon content Gravimetric method GB/T Increase the content Inspection items inspection results inspection Rules items and sampling judged as unqualified Main composition content mass fraction Metallic powder Methods for chemical name and designation Non-Ferrous Metals outer packaging oxygen content particle size greater powder metallurgy products powder shall comply product fails Product name product quality certificate production of cemented products is judged provisions of GB/T provisions of Table purchaser quality supervision department repeat the test repeated test results requirements of impurities sieve aperture specific surface area Standard Storage supplier take double specimens Test Method total carbon content tungsten carbide powder unqualified item YS/T