GB/T 1423-1996
Active
GB/T 31309-2020
Replaced
National standards
GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys
GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys
Price:
$ 31.00
Basic Information
Standard Code:
GB/T 31309-2020
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Metallographic examination methods
ICS Name:
Other testing methods for metal materials
Publish Date:
2020-06-02
Implement Date:
2020-12-01
Pages:
16 pages
Scope
This standard specifies the calculation principles, steps, methods, and application of the electron vacancy number of cast high-temperature alloys. This standard is applicable to the calculation of the electron vacancy number of cast high-temperature alloy master alloys and castings.
Development Information
Replace the following standards
Superseded by the following standards
Related Standards
GB/T 1424-1996
Active
GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
GB/T 1425-1996
Replaced
GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis
GB/T 17433-1998
Replaced
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 4334.1-2000
Replaced
GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels
GB/T 4334.2-2000
Replaced