GB/T 3990-1983
abolished_transferred
GB/T 14999.1-2025
Active
National standards
GB/T 14999.1-2025 Test method for superalloys—Part 1:Macro-structures
GB/T 14999.1-2025 Test method for superalloys—Part 1:Macro-structures
Basic Information
Standard Code:
GB/T 14999.1-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Iron and steel products
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:
36 pages
Scope
本文件描述了变形高温合金纵向及横向低倍组织常见缺陷和不均匀组织、纵向断口疏松和断口分层的类型及特征、试样的截取与制备、检验与评定、结果表示方法、检验报告等。
本文件适用于变形高温合金铸锭、熔检料、锻(轧)坯或材的纵向和横向低倍组织及缺陷的检验。其他产品参照执行。
本文件也适用于公称直径不小于16 mm变形高温合金热轧棒材断口疏松和断口分层的检验。其他类型的棒材断口检验参照执行。
Development Information
Drafting Units:
抚顺特殊钢股份有限公司、北京钢研高纳科技股份有限公司、冶金工业信息标准研究院、攀钢集团江油长城特殊钢有限公司、西部超导材料科技股份有限公司
Drafting Persons:
谷强、于腾、陈惠霞、栾燕、王琳、汪红晓、李科、陈庆新、杨玉军、颜丞铭、杜玉俊、朱华
Same series standard
Replace the following standards
GB/T 14999.1-2012 Test method for superal loys—Part 1:Verification of longitudinal macro-structures and defect by etch
GB/T 14999.2-2012 Test methods for superalloys—Part 2:Verification of transverse macro-structures and defect by etch
GB/T 14999.3-2012 Test methods for superalloys—Part 3:Verification of longitudinal fracture of bars
Referenced Standards
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