Download or read book JB T 7946 1 2017 Translated English of Chinese Standard JBT 7946 1 2017 JB T7946 1 2017 JBT7946 1 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-11-30 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This part of JB/T 7946 specifies the cutting and preparation of metallographic specimens of cast aluminum-silicon alloys, the observation of metallographic structure, the grading of cast aluminum-silicon alloys. This part applies to the evaluation of the grade of modification of cast aluminumsilicon alloys.

Download or read book JB T 7946 3 2017 Translated English of Chinese Standard JBT 7946 3 2017 JB T7946 3 2017 JBT7946 3 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-11-02 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This part of JB/T 7946 specifies the terms and definitions, the cutting and preparation of the specimens, the test methods and the evaluation of the results of the pinholes of cast aluminum alloys. This part applies to the evaluation of the pinhole of cast aluminum alloys.