Forging high pressure pipe fittings.
Standar:  AME B16.11,   GB/T14383
DN15-DN100  
NPT.   90 degree , 45 degree elbows.  
Pressure: 2000lbs ,3000lbs, 6000lbs.
Materials:  A234WPB,  A182F304 , F304L, F316, F316L, F321, TP321, B462 UNS N08020.