GB/T 4227-1984
abolished_transferred
YB/T 4834-2020
Active
Industry standards-Black metallurgy
YB/T 4834-2020 Blast furnace opening tool
YB/T 4834-2020 Blast furnace opening tool
Price:
$ 30
Basic Information
Standard Code:
YB/T 4834-2020
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Steel shapes and special-shaped steel
ICS Name:
Steel sections
Publish Date:
2020-12-09
Implement Date:
2021-04-01
Scope
This standard specifies the ordering content, specifications and models, appearance, dimensions and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, etc. of the tapping tools for blast furnace tapping holes. This standard applies to tapping heads, tapping rods, and connecting sleeves used for tapping iron from blast furnaces.
Development Information
Related Standards
GB 702-1986
Abolished
GB 702-1986 Hot-rolled round and square steels—Dimension, shape, weight and tolerance
GB/T 6723-1986
Replaced
GB/T 6723-1986 Cold forming sectional steel—Open sectional steel for general structure—Demension, form, weight and permissible deviations
GB/T 6726-1986
Replaced
GB/T 6726-1986 Cold forming sectional steel for cargo vehicle—Demension, form, weight and permissible deviations
GB/T 6727-1986
Replaced
GB/T 6727-1986 Cold forming sectional steel for passenger vehicle—Demension, form, weight and permissible deviations
GB/T 8649-1988
Abolished