GB/T 13320-2007
Replaced
T/CCMI 11-2021
Active
Group standards
T/CCMI 11-2021 Mechanical machining allowance and tolerance for large hot-rolled ring forging
T/CCMI 11-2021 Mechanical machining allowance and tolerance for large hot-rolled ring forging
Price:
$ 20.00
Basic Information
Standard Code:
T/CCMI 11-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
\nSteel forgings
Publish Date:
2021-02-05
Implement Date:
2021-03-01
Scope
Main technical content: This document specifies the machining allowances and tolerances for large-scale hot-rolled ring forgings with an outer diameter of φ4000mm to φ10000mm, a wall thickness of 30mm to 850mm, and a height of 60mm to 1500mm, which are formed by radial-axial bidirectional combined rolling on horizontal ring rolling machines. This document is applicable to the machining allowances and tolerances of hot-rolled ring forgings made of structural steel, tool steel, stainless steel, heat-resistant steel, aluminum alloy, high-temperature alloy, and titanium alloy that are rolled on radial-axial bidirectional combined horizontal ring rolling machines. Other forging production equipment can also refer to this document for implementation. This document is applicable to hot-rolled ring forgings in the forging state.
Development Information
Related Standards
GB/T 20911-2007
Active
GB/T 20911-2007 Semi finished products for forging—Tolerances on dimensions shape and mass
GB/T 21469-2008
Active
GB/T 21469-2008 Machining allowances and tolerances for steel open die forgings on hammer—General requirement
GB/T 21470-2008
Active
GB/T 21470-2008 Machining allowances and tolerances for steel open die forgings on hammer—Disks,columns,rings and seamless cylindrical sleeves
GB/T 21471-2008
Active
GB/T 21471-2008 Machining allowances and tolerances for steel open die forgings on hammer—Shafts
GB/T 22131-2008
Replaced