Download or read book GB T 7737 2007 Translated English of Chinese Standard GBT 7737 2007 GB T7737 2007 GBT7737 2007 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-02-22 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies technical requirements, test methods, inspection rules, packaging, storage, marks and quality certificate of ferroniobium. This Standard is applicable to ferroniobium that is made from niobium pentoxide and niobium concentrate and is used for steelmaking or casting as an additive, for electrode as alloying agent, magnetic material.