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Material	Alloy	Tensile Strength	Yield Strength (0.2%)	Impact Strength	Macro (apparent)	Macro (apparent)	Micro-Indentation (converted)	Young's Modulus	Poisson's Ratio	Elongation
		MPa PSI x 10³	MPa PSI x 10³	J ft lb	HRB HRB	HRC HRC	Rockwell Rockwell	Gpa Gpa	Ratio Ratio	% in 25.4mm % in 25.4mm
Low Alloy Steel	4140 Q&T High Hardness	1793 260	1482 215	49 36	- -	55 55	- -	- -	- 0.28	7 7
Low Alloy Steel	4140 Q&T Low Hardness	1103 160	1000 145	96 71	- -	35 35	- -	- -	- 0.28	13 13
Stainless Steel	MIM-316L	517 75	175 25	190 140	67 67	- -	- -	190 190	0.28 0.28	50 50
Low Alloy Steel	MIM-4605 (as sintered)	440 64	205 30	70 50	62 62	- -	- -	200 200	0.28 0.28	15 15
Special MIM Materials	MIM-Cu (Copper)	165 24	148 21	- -	- -	- -	- -	- -	- -	30 30
Special MIM Materials	S7 (HIP)	2137 310	1724 250	- -	- -	60 60	- -	- -	- -	4.5 4.5
Special MIM Materials	S7 (No HIP)	1310 190	1172 170	- -	- -	51 51	- -	- -	- -	1 1
Special MIM Materials	MIM F75 (ASTM F75) - Hipped	992 147	551 81	177 130	- -	25 25	- -	- -	- -	30 30
Stainless Steel	MIM-420 (HIP and vacuum heat treated)	1737 252	1282 186	82 61	- -	45 45	- -	- -	- -	3.5 3.5
Low Alloy Steel	MIM-4605 (quenched & tempered, high hardness)	1827 265	1586 230	55 40	- -	58 58	- -	205 205	0.28 0.28	3 3
Stainless Steel	MIM-440C (HIP and heat treated)	1724 250	1620 235	115 85	- -	54 54	- -	- -	- -	1.8 1.8
Low Alloy Steel	MIM-4605 (quenched and tempered, low hardness)	1344 195	1255 182	38 28	- -	40 40	- -	- -	- -	9 9
Special MIM Materials	MIM-F-15 (as sintered)	450 67	305 43	- -	65 65	- -	- -	- -	- -	25 25
Stainless Steel	MIM-17-4 PH (as sintered)	896 130	730 106	140 100	- -	27 27	- -	190 190	0.29 0.29	6 6
Special MIM Materials	MIM-F1537 – ASTM F1537 (HIP and heat treated)	1103 160	85 12	80 59	- -	32 32	- -	- -	- -	27 27
Stainless Steel	MIM-17-4 PH (heat treated)	1186 172	1089 158	140 100	- -	33 33	40 40	190 190	0.29 0.29	10 10
Stainless Steel	MIM-17-4 H900	1206 175	1103 160	- -	- -	40 40	- -	- -	- -	10 10
Stainless Steel	MIM-17-4 H1100	1000 145	910 132	- -	- -	34 34	- -	- -	- -	12 12
Special MIM Materials	MIM-K1 (as sintered)	510 74	- -	- -	98 98	- -	- -	- -	- -	1.5 1.5
Low Alloy Steel	MIM-K3 (heat treated)	1724 250	1586 230	40 30	- -	53 53	- -	- -	- -	4 4

Material	Alloy	Density
Low Alloy Steel	4140 Q&T High Hardness	7.7 0.278
Low Alloy Steel	4140 Q&T Low Hardness	7.7 0.278
Stainless Steel	MIM-316L	7.6 0.275
Low Alloy Steel	MIM-4605 (as sintered)	7.67 0.277
Special MIM Materials	MIM-Cu (Copper)	8.5 0.307
Special MIM Materials	S7 (HIP)	7.85 0.284
Special MIM Materials	S7 (No HIP)	7.55 0.273
Special MIM Materials	MIM F75 (ASTM F75) - Hipped	8.3 0.298
Stainless Steel	MIM-420 (HIP and vacuum heat treated)	7.7 0.278
Low Alloy Steel	MIM-4605 (quenched & tempered, high hardness)	7.67 0.277
Stainless Steel	MIM-440C (HIP and heat treated)	7.67 0.277
Low Alloy Steel	MIM-4605 (quenched and tempered, low hardness)	7.67 0.277
Special MIM Materials	MIM-F-15 (as sintered)	7.7 0.278
Stainless Steel	MIM-17-4 PH (as sintered)	7.5 0.271
Special MIM Materials	MIM-F1537 – ASTM F1537 (HIP and heat treated)	8.3 0.298
Stainless Steel	MIM-17-4 PH (heat treated)	7.7 0.278
Stainless Steel	MIM-17-4 H900	7.7 0.278
Stainless Steel	MIM-17-4 H1100	7.7 0.278
Special MIM Materials	MIM-K1 (as sintered)	7.5 0.271
Low Alloy Steel	MIM-K3 (heat treated)	7.7 0.278

	Low Alloy Steel
%
Iron (max)	Balance	Balance	Bal.	Bal.	Bal.	Bal.
Nickel (max)			1.5-2.5	1.5-2.5	1.5-2.5	--
Molybdenum	0.2 - 0.3	0.2 - 0.3	.2-.5	.2-.5	.2-.5	1.0-2.0
Silicon	0.6 Max	0.6	1.0 Max	1.0 Max	1.0 Max	--
Carbon	0.3 - 0.5	0.3 - 0.5	.4-.6	.4-.6	.4-.6	.3-.5
Chromium	0.8 - 1.2	0.8 - 1.2	--	--	--	--
Cobalt			--	--	--	--
Manganese	1 Max	1 Max	-	-	-	-
Copper			--	--	--	--
Niobium			--	--	--	--
Aluminum			--	--	--	--
Magnesium			--	--	--	-
Titanium			--	--	--	--
Zirconium			--	--	--	--
Niobium + Tantalum	-	-	-	-	-	-
Phosphorus	0.035	0.035 Max	-	-	-	-
Sulfur	0.04	0.04	-	-	-	-
RoHS Compliant	✓	✓	✓	✓	✓	✓

	Stainless Steel
%
Iron (max)	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.
Nickel (max)	10.0-14.0			3.0-5.0	3.0-5.0	3.0-5.0	3.0-5.0
Molybdenum	2.0-3.0	--	.75 Max	--	--	--	--
Silicon	1.0 Max	1.0 Max		1.0 Max	1.0 Max	1.0 Max	1.0 Max
Carbon	.03	.15-.4	.95-1.2	.07 Max	.07 Max	.07 Max	.07 Max
Chromium	16.0-18.0	12.0-14.0	16.0-18.0	15.5-17.5	15.5-17.5	15.5-17.5	15.5-17.5
Cobalt	--	--	--	--	--	--	--
Manganese	2.0 Max	1.0 Max	-	1.0 Max	1.0 Max	1.0 Max	1.0 Max
Copper	--			3.0-5.0	3.0-5.0	3.0-5.0	3.0-5.0
Niobium	--			-	-	-	-
Aluminum	--	--	--	--	--	--	--
Magnesium	--	--	--	--	--	--	--
Titanium	--	--	--	--	--	--	--
Zirconium	--	--	--	--	--	--	--
Niobium + Tantalum	-	-	-	.15-.45	.15-.45	.15-.45	.15-.45
Phosphorus	-	-	-	--	--	--	--
Sulfur	-	-	-	--	--	--	--
RoHS Compliant		✓	✓			✓	✓

	Special MIM Materials
%
Iron (max)	-	Balance	Balance	<.75	Bal.	.75 Max	Bal.
Nickel (max)	-	0.3 Max	0.3 Max	1.0 Max	29	.25 Max	--
Molybdenum	-	1 - 1.8	1 - 1.8	5.0-7.0	.20 Max	5.0-7.0	--
Silicon	-	0.2 - 1	0.2 - 1	1.0	.20 Max	1.0 Max	--
Carbon	-	0.4 - 0.6	0.4 - 0.6	.15 Max	.04 Max	.1-.35	.9-1.3
Chromium	-	2.5 - 3.5	2.5 - 3.5	26-30	.20 Max	26-30	--
Cobalt	-	-	-	Bal.	17	Bal.	--
Manganese	-	0.5 Max	0.5 Max	-	-	-	12.0-14.0
Copper	-	-	-	--	.20 Max	--	--
Niobium	-	-	-	--	.10 Max	1.0 Max	--
Aluminum	-	-	-	--	.10 Max	--	--
Magnesium	-	-	-	--	.10 Max	--	-
Titanium	-	-	-	--	.10 Max	--	--
Zirconium	-	-	-	--	.10 Max	--	--
Niobium + Tantalum	-	-	-	-	-	-	-
Phosphorus	-	0.05 Max	0.05 Max	-	-	-	-
Sulfur	-	0.05 Max	0.05 Max	-	-	-	-
RoHS Compliant				✓	✓	✓	✓

** For comparison only.

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About OptiMIM

OptiMIM, a Form Technologies Company, uses state-of-the-art metal injection molding technology to create high performing small precision metal components to almost any level of complexity and at virtually any volume.

Precision where it matters most.

Material	Alloy	Density
		g/cm³ lb/in³
Low Alloy Steel	4140 Q&T High Hardness	7.7 0.278
Low Alloy Steel	4140 Q&T Low Hardness	7.7 0.278
Stainless Steel	MIM-316L	7.6 0.275
Low Alloy Steel	MIM-4605 (as sintered)	7.67 0.277
Special MIM Materials	MIM-Cu (Copper)	8.5 0.307
Special MIM Materials	S7 (HIP)	7.85 0.284
Special MIM Materials	S7 (No HIP)	7.55 0.273
Special MIM Materials	MIM F75 (ASTM F75) - Hipped	8.3 0.298
Stainless Steel	MIM-420 (HIP and vacuum heat treated)	7.7 0.278
Low Alloy Steel	MIM-4605 (quenched & tempered, high hardness)	7.67 0.277
Stainless Steel	MIM-440C (HIP and heat treated)	7.67 0.277
Low Alloy Steel	MIM-4605 (quenched and tempered, low hardness)	7.67 0.277
Special MIM Materials	MIM-F-15 (as sintered)	7.7 0.278
Stainless Steel	MIM-17-4 PH (as sintered)	7.5 0.271
Special MIM Materials	MIM-F1537 – ASTM F1537 (HIP and heat treated)	8.3 0.298
Stainless Steel	MIM-17-4 PH (heat treated)	7.7 0.278
Stainless Steel	MIM-17-4 H900	7.7 0.278
Stainless Steel	MIM-17-4 H1100	7.7 0.278
Special MIM Materials	MIM-K1 (as sintered)	7.5 0.271
Low Alloy Steel	MIM-K3 (heat treated)	7.7 0.278

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