GB/T 13320-2007
Active
JB/T 4290-2011
Active
Industry standards-Mechanical
JB/T 4290-2011 High-speed tool steel forged parts technical specification
JB/T 4290-2011 High-speed tool steel forged parts technical specification
Basic Information
Standard Code:
JB/T 4290-2011
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forging and pressing
ICS Name:
\nSteel forgings
Publish Date:
2011-08-15
Implement Date:
2011-11-01
Pages:
17 pages
Development Information
Replace the following 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 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