This standard specifies the allowances and tolerances for free-forged short cylindrical forgings on hydraulic presses. This standard applies to short cylindrical forgings with 1.0 D≤H0≤1.5 D.
JB/T 9179.5-1999 history
2013JB/T 9179.5-2013 Machining allowances and tolerances of open die forgings on hydraulic press.Part 5: Short round shaft
1999JB/T 9179.5-1999 Machining allowances and tolerances of open forgings on hydraulic press.Short round shaft