Home / Standards / GB/T 14999.1-2012 GB/T 14999.1-2012 Abolished Test method for superalloys - Part 1: Verification of longitudinal macro-structures and defect by etch 高温合金试验方法 第1部分:纵向低倍组织及缺陷酸浸检验 Standard Type GBT ICS 77.140.99 CCS H24 Status 废止 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A