GB/T 1998-1980
abolished_transferred
YB/T 077-2017
Active
Industry standards-Black metallurgy
YB/T 077-2017 YB/T 077-2017 Determination method of optical organization of coal coke
YB/T 077-2017 YB/T 077-2017 Determination method of optical organization of coal coke
Basic Information
Standard Code:
YB/T 077-2017
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coke
ICS Name:
Solid fuel
Publish Date:
2017-04-12
Implement Date:
2017-10-01
Pages:
7 pages
Scope
This standard specifies the measurement principles, instruments, sample collection and preparation, measurement procedures, and result calculation for the optical structures of the pore walls of coke. This standard is applicable to metallurgical coke, and other types of coke can be used for reference.
Development Information
Replace the following standards
Related Standards
GB/T 4511.1-1984
Replaced
GB/T 4511.1-1984 Coke—Determination of show porosity
GB/T 4511.3-1984
Replaced
GB/T 4511.3-1984 Coke—Determination of apparent relative density and total porosity
GB/T 4511.4-1984
Replaced
GB/T 4511.4-1984 Coke—Determination of true relative density
GB/T 8729-1988
Replaced
GB/T 8729-1988 Foundry coke
GB/T 9977-1988
Replaced