ISO 21988:2006 耐磨铸铁-分类

标准编号：ISO 21988:2006

中文名称：耐磨铸铁-分类

英文名称：Abrasion-resistant cast irons — Classification

发布日期：2006-07

标准范围

This International Standard defines the grades of abrasion-resistant white cast irons. It specifies the grades in terms of:— chemical composition;— hardness.The types of abrasion-resistant white cast irons covered by this International Standard are:a)unalloyed or low alloy cast irons;b)nickel-chromium cast irons covering two general types:4 % Ni 2 % Cr cast irons; 9 % Cr 5 % Ni cast irons;c)high chromium cast irons covering five ranges of chromium content:Cr> 11 % tos; 14%; Cr>14%to< 18%; Cr>18%to<23%; Cr>23%to^30%; Cr > 30 % to ^ 40 %.

标准预览图