Integrated Nonferrous Metals Company

Alloy #	Alloy Description	Nominal Composition Percent						Tensile Strength M Lbs. Per Sq. In.		Yield Strength @ 0.50% Extension Under Load M Lbs. Per Sq. In.		Elongation In 2 In. (Per Cent)		Rockwell Hardness		Coefficient Thermal Expansion - Per ºF from 77ºF - 572ºF x10^-6	Thermal Conductivity BTU/Sq. Ft./Ft/HR ºF@68ºF	Electric Conductivity %IAC @68ºF Soft	Machinability Rating (approximate)	Cold Working	Hot Working	Hot Working Range ºF	ASTM Spec.
Alloy #	Alloy Description	Density	Copper	Zinc	Lead	Tin	Other	Hard	Soft	Hard	Soft	Hard	Soft	Hard	Soft		Thermal Conductivity BTU/Sq. Ft./Ft/HR ºF@68ºF	Electric Conductivity %IAC @68ºF Soft	Machinability Rating (approximate)	Cold Working	Hot Working	Hot Working Range ºF	ASTM Spec.
101	Oxygen Free Copper - Electronic	0.323	99.99					48	32	44	10	16	55	B47	F40	9.8	226	101	20	E	E	1400-1600	B133, B187
102	Oxygen Free Copper	0.323	99.95					48	32	44	10	16	55	B47	F40	9.8	226	101	20	E	E	1400-1600	B133, B187
103	Oxygen Free Ext. Low Phosphorus Copper	0.323	99.95	P.003				48	32	44	10	16	55	B47	F40	9.8	226	101	20	E	E	1400-1600	B133, B187
110	Electrolytic Tough Pitch Copper	0.323	99.90					48	32	44	10	16	55	B47	F40	9.8	226	101	20	E	E	1400-1600	B124, B133, B187
122	Deoxidized High Phosphorus Copper	0.323	99.90	P.03				48	32	44	10	16	55	B47	F40	9.8	196	85	20	E	E	1400-1600	B133
145	Tellurium Copper	0.323	99.49	P.01	Te.50			48	32	40	10	12	45	B50	F45	9.8	215	95	90	G	G	1400-1600	B124, B301
220	Commercial Bronze, 90%	0.318	90.0	10.0				45	40			25	50	B42	F55	10.2	109	44	20	E	G	1400-1600
226	Jewelry Bronze, 87%	0.317	87.0	13.0				47	40	35	13	26	49			10.3	100	40	30	E	G	1400-1650
230	Red Brass, 85%	0.316	85.0	15.0				49	41			25	48			10.4	92	37	30	E	G	1450-1650
240	Low Brass, 80%	0.313	80.0	20.0				62	46			27	50			10.6	81	32	30	E	F	1500-1650
260	Cartridge Brass, 70%	0.308	70.0	30.0				70	48	52	16	30	65	B80	F65	11.1	70	28	30	E	F	1350-1550
270	Yellow Brass, 65%	0.306	65.0	35.0				55	48	40	16	48	65	B55	F65	11.3	67	27	30	E	P
314	Leaded Commercial Bronze	0.319	89.0	9.0	2.0			55	37	50	12	14	45	B61	F55	10.2	104	42	80	G	P		B140
320	Leaded Red Brass	0.316	85.0	13.2	1.8			53	40	42	14	20	45	B55	F65	10.4	90	36	80	P	P		B140
335	Low Leaded Brass, 64.75%	0.306	64.75	34.9	0.35			58	48	45	20	34	60	B71	F70	11.3	67	27	50	E	P		B453
344	Low Leaded Brass, 63.5%	0.306	63.5	35.7	0.8			55	48	48	20	22	50			11.6	71	28	60	E	F	1300-1500
345	High Leaded Brass, 63%	0.306	63.0	35.5	2.0			55	45	42	15	30	55	B75	F65	11.3	67	26	90	F	P		B453
353	High Leaded Brass, 62%	0.306	62.5	35.5	2.0			55	45	42	15	30	55	B75	F65	11.3	67	26	90	F	P		B453-81
356	Extra High Leaded Brass	0.307	61.8	35.9	2.3			58	47	45	17	25	55	B75	F65	11.4	67	26	100	P	F	1300-1450	B453
360	Free Cutting Brass	0.307	61.0	35.7	3.3			58	48	45	18	25	53	B78	F68	11.4	67	26	100	P	F	1300-1450	B16
377	Forging Brass	0.305	58.8	39.3	1.9				52		20		45		F78	11.5	69	27	80	P	E	1200-1500	B124
464	Naval Brass	0.304	61.0	38.25		0.75		75	57	53	25	20	47	B82	B55	11.8	67	26	30	F	G	1200-1500	B21, B124
485	Naval Brass High Leaded	0.305	60.5	36.9	1.8	0.8		75	57	53	25	15	40	B78	B55	11.8	67	26	70	P		1200-1400	B21, B124
634	Aluminum Silicon Bronze 634	0.308	96.75	Si .35	Al 2.9			75	40			15	55			9.4	40	15	30	E	G	1300-1600
642	Duronze #3	0.278	91.1	Si 1.9	Al 6.9	As .08			90		50		30		B85	9.2	20	7	60	P	E	1300-1600	B124, B150
651	Duronze #5	0.316	98.15	Si 1.85				70	40	55	15	15	50	B80	F55	9.9	33	12	30	E	E	1300-1600	B98
655	Duronze Silicon Maganese Bronze	0.308	95.9	Si 3.0	Mn 1.1			92	58	55	22	22	60	B90	B60	10.0	21	7	30	E	E	1300-1600	B98
673	Leaded Silicon Maganese Bronze	0.292	62.25	33.65	0.6	Si 1.0	Mn 2.5	70	62	60		16		B80
694	Silicon Red Brass	0.296	82.5	13.3	0.25	Si 3.75	Mn 0.2	85	72	42		25		B85				13	60	P	E		B371
697	Leaded Silicon Red Brass	0.300	78.0	18.0	1.0	Si 3.0		100	60			12		B100				8	70	P	G