|
棕刚玉,韧性高,显微硬度1800-2200Kg/mm2。用其制成的磨具,适于磨削抗张强度较高的金属,如各种通用钢材,可锻铸铁和硬青铜等。也可用于制造高级耐火材料等。
Brown aluminium oxide has igh touthness , Micro hardness is 1800-2200kg/mm2 . A brasive articles made of it are suited for grinding metals of high-tensile strength such as steeke , annealed malleable iron and hard high-class refractory products
混合砂(毫米)
Mixed Sizes(mm) 主要化学成分(%)
Main Chemical conten 其他化学成分(%)
Other Chemical content |
|