GB/T 3990-1983
abolished_transferred
GB/T 14999.4-2012
Replaced
National standards
GB/T 14999.4-2012 Test methods for superalloys—Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings
GB/T 14999.4-2012 Test methods for superalloys—Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings
Basic Information
Standard Code:
GB/T 14999.4-2012
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Metallographic examination methods
ICS Name:
Other steel products
Publish Date:
2012-11-05
Implement Date:
2013-05-01
Pages:
16 pages
Scope
This part of GB/T 14999 specifies the terms and definitions for the determination of microstructure of high-temperature alloys, sample cutting and preparation, inspection methods and determination methods, result presentation, inspection reports, etc.
This part is applicable to the detection and evaluation of band grain structure and primary carbide distribution in rolled high-temperature alloys.
Development Information
Same series standard
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
Replace the following standards
GB/T 14999.4-1994
部分代替GB/T 14999.5-1994
Superseded by the following standards
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