Influence of Heat Treatment on Residual Stress in Cold-Forged Parts

Table 3

Vickers hardness (VH) results.

Conditions	Position
	P1	P2	P3
A1: forged and quenched	724	699	662
	678	672	672
	678	682	695
A2: forged, quenched, and tempered	460	452	477
	475	471	485
	481	487	471
A3: forged as-received	247	253	262
	264	269	272
	268	262	263
A4: forged and normalized	206	206	206
	206	205	206
	198	200	204
A5: unforged as-received	184	180	180
	177	179	178
	176	180	185
A6: forged and annealed	158	156	160
	161	156	156
	165	161	161