Home / Standards / GB/T 24178-2009 GB/T 24178-2009 Active Macrostructure assessing method for solidification structure of continuous casting blank 连铸钢坯凝固组织低倍评定方法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2009-06-25 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会