Resistance Properties of Common Copper Alloys
Alloy	r	a	Notes
Pure Cu	1.67	0.00404
Electrolytic Cu	1.71	0.00397	ETP Copper
Oxygen Free Cu	1.71	N/A	OF Copper
1.0% Pb	1.76	N/A	Free Machining Copper
5% Zn	3.1	0.00231	Gilding Metal
15% Zn	4.7	0.00160	Red Brass
30% Zn	6.2	0.00148	Cartridge Brass
35% Zn	6.4	N/A	Yellow Brass
5% Sn	11	N/A	Phosphor Bronze
30% Ni	37	0.00048	Cupro Nickel
	mW*cm	1/K
	20C