Closed Die Hammer Forging of Inconel 718

Table 1

Process parameters and equipment used for forging.

Detail	Preforging	Final forging
Equipment	6-ton hammer	10-ton hammer
Billet material	Inconel 718	Inconel 718
Billet dimension	Ø 200 mm × 40 mm	Ø 263 mm × 23 mm; Ø 200 mm × 40 mm
Soaking temperature	1050°C	1050°C
Type of die	Flat dies	Shaped die
Average die temperature	350°C	350°C
Die lubrication	Colloidal graphite	Colloidal graphite