GB/T 4227-1984
abolished_transferred
GB/T 30895-2014
Active
National standards
GB/T 30895-2014 Hot-rolled rotary
GB/T 30895-2014 Hot-rolled rotary
Basic Information
Standard Code:
GB/T 30895-2014
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Steel shapes and special-shaped steel
ICS Name:
Steel sections
Publish Date:
2014-09-30
Implement Date:
2015-05-01
Pages:
15 pages
Scope
This standard specifies the dimensions, shapes, weights, technical requirements, test methods, inspection rules, markings, and quality certificates of hot-rolled rings made from low-alloy structural steel, high-quality carbon structural steel, and alloy structural steel, which are used for gear rings, bearing rings, grinding rings, and flanges.
This standard is applicable to the manufacture of gear rings, bearing rings, grinding rings, and welded flanges for pressure vessels, high-neck flanges, floating hook ring flanges, and high-neck enamel flanges made from low-alloy structural steel, high-quality carbon structural steel, and alloy structural steel hot-rolled rings.
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