YS/T 524-2011 in English

本标准规定了合成白钨的要求、试验方法、检验规则、标志、包装、运输、贮存、质量证明书及合同（或订货单）内容。
本标准适用于经冶炼所得合成白钨产品(亦称钨酸钙)，供生产仲钨酸铵、三氧化钨、钨铁、硬质合金、合金钢、钨材及其它钨合金等使用。

Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or order) content for synthetic scheelite. This standard applies to synthetic scheelite products (also known as calcium tungstate) obtained by smelting and used for the production of ammonium paratungstate, tungsten trioxide, ferrotungsten, cemented carbide, alloy steel, tungsten materials and other tungsten alloys.