
STEEL - DETERMINATION OF NIOBIUM CONTENT - PAR SPECTROPHOMETRIC METHOD
出版:International Organization for Standardization

专家解读视频
基本信息
标准编号: ISO 9441 : 1988(R2016)
标准类别:Revision
出版单位:International Organization for Standardization
标准页数:0
标准简介
Applies to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.