GB/T 3990-1983
abolished_transferred
GB/T 14999.2-2025
Active
National standards
GB/T 14999.2-2025 Test methods for superalloys—Part 2:Microstructure
GB/T 14999.2-2025 Test methods for superalloys—Part 2:Microstructure
Basic Information
Standard Code:
GB/T 14999.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
High-temperature alloys
ICS Name:
Other steel products
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国钢标准化技术委员会(SAC/TC 183)
Pages:
32 pages
Scope
本文件描述了变形高温合金高倍组织检验方法的取样与制备、测定与结果表示、检验报告等。
本文件适用于轧制和锻制变形高温合金产品中晶粒组织和一次碳化物的检测与评定。其他高温合金参考使用。
Development Information
Drafting Units:
北京钢研高纳科技股份有限公司、抚顺特殊钢股份有限公司、冶金工业信息标准研究院、西部超导材料科技股份有限公司、大冶特殊钢有限公司、攀钢集团江油长城特殊钢有限公司、中纲不锈钢管业科技山西有限公司
Drafting Persons:
陈惠霞、谢锦丽、谷强、栾燕、颜丞铭、刘伟、王琳、张宏、朱华、王瑞森、乔桥、王艾竹、赵小花、狄友妮、冯程程、曹宇鑫
Same series standard
Replace the following standards
Referenced Standards
GB/T 6394-2002 Metal-methods for estimating the average grain size
GB/T 6394-2017 Determination of estimating the average grain size of metal
GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes
GB/T 30067-2013 Standard terminology relating to metallography
YB/T 4290-2012 Method for Determining Maximum Grain Size Level (ALA Grain Size) on Microstructure Surface Detection Surface
Related Standards
GB/T 3991-1983
abolished_transferred
GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders
GB/T 3992-1983
abolished_transferred
GB/T 3992-1983 Nickel-coated chromium composite powders
GB/T 3993-1983
abolished_transferred
GB/T 3993-1983 Nickel-coated copper composite powders
GB/T 11072-1989
Replaced
GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices
GB/T 2073-1993
abolished_transferred