Closed Die Hammer Forging of Inconel 718

Table 3

Typical mechanical properties of the disc and forged dome.

	Forging temperature; (°C)	Heat treatment condition	UTS; MPa	YS; MPa	%; elongation; (25 mm)	%; RA
200 mm diameter disc (raw material)	—	ST	1104–1115	827–850	31–34	30–35
	—	STA	1295–1319	1134–1160	16–20	27–32
Dome forgings	1050	STA	1359–1385	1208–1216	15–18	25–28