Download or read book GB T 223 53 1987 Translated English of Chinese Standard GBT 223 53 1987 GB T223 53 1987 GBT223 53 1987 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-12-02 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard applies to the determination of the amount of copper in cast iron, carbon steel, and low alloy steel. Measuring range is 0. 005% ~ 0. 50%. This standard follows the requirements GB 1467-78 Method for chemical analysis of metallurgy product - General rules and regulations.