Home / Standards / GB/T 14999.4-2012 GB/T 14999.4-2012 Abolished Test methods for superalloys - Part 4: Determination of characterizing banding grains and primary carbides distribution of superalloy rollings 高温合金试验方法 第4部分：轧制高温合金条带晶粒组织和一次碳化物分布测定 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