GB/T 13320-2007
Active
GB/T 21469-2008
Active
National standards
GB/T 21469-2008 Machining allowances and tolerances for steel open die forgings on hammer—General requirement
GB/T 21469-2008 Machining allowances and tolerances for steel open die forgings on hammer—General requirement
Basic Information
Standard Code:
GB/T 21469-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forging and pressing
ICS Name:
\nSteel forgings
Publish Date:
2008-02-28
Implement Date:
2008-08-01
Pages:
4 pages
Scope
This standard specifies the machining allowances and tolerances for steel free forgings on hammers, as well as the general requirements for their use. This standard applies to free forgings of carbon steel and alloy steel with a carbon content not exceeding 0.9% and a total content of other alloy components not exceeding 4%. For free forgings that exceed the scope specified in this standard, the machining allowances and tolerances shall be determined through separate negotiations between the supplier and the buyer.
Development Information
Replace the following standards
Referenced Standards
Related Standards
GB/T 20911-2007
Active
GB/T 20911-2007 Semi finished products for forging—Tolerances on dimensions shape and mass
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
GB/T 22131-2008 Practice for ultrasonic examination from bored surfaces of cylindrical forgings
GB/T 25135-2010
Active