CNC Machining Materials Metals

Material Name	Grade	Ultimate tensile strengh(Mpa)	Elongation at break(%)	Hardness(HRB)	Chemical resistance
Aluminum	6061-T6	291-320	12-17	60	High
Aluminum	7075-T6	430-580	3-11	80	Moderate
Aluminum	7050	500-550	11	147	Good
Aluminum	6063	110-300	12	25-95	High
Aluminum	2024	200-540	14-20	70-120	Poor
Stainless Steel	304/304L	480-620	45-60	75=83	Good
Stainless Steel	316/316L	480-620	30-50	75-83	Excellent
Stainless Steel	17-4PH	896-990	7	250-260	Excellent
Mild Steel	1018	190-440	17-27	76	Poor
Mild Steel	1045	620-680	13-18	84	Poor
Alloy Steel	4140	915-1130	13.5-21	275-335HV	Moderate to Poor
Alloy Steel	4340	670-820	17-27	200-245HV	Moderate to Poor
Tool Steel	D2	2100-2500	13-15	58-64	Excellent
Tool Steel	A2	2040-2360	3.5-6.1	57-62	Excellent
Tool Steel	O1	2040-2360	3.5-6.1	57-62	Excellent
Brass	C360	140	23	–	Moderate
Copper	110	220-230	15-50	40 HRF	Moderate to poor
Copper	101	310-380	6-25	27 HV	–