Download or read book NB/T 47013.13-2015 Translated English of Chinese Standard. (NBT 47013.13-2015, NB/T47013.13-2015, NBT47013.13-2015) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-06-08 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of NB/T 47013 specifies the inspection methods and evaluation rules for even wall thickness reduction of magnetic materials such as carbon steel, low alloy steel used for in-use pressure equipment due to corruption, erosion or mechanical damage, without excluding the cover layer.