ASTM Copper Wire | McMaster-Carr

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110 Products

About Copper, Brass & Bronze

Compare over 30 copper, brass, and bronze alloys to find the right material for you—all with material certificates for traceability.

Copper Wire

Highly conductive and soft enough to form, copper wire is the go-to for electrical jobs. It's often used to power motors, create grounding, and wire control panels, lights, and transformers.

Tin-Coated 110 Copper—More corrosion resistant and easier to solder than uncoated 110 copper wire.

High-Temperature Nickel-Clad 101 Copper—Stays corrosion resistant and conductive in temperatures as hot as 1200° F.

				Container
	Dia.	Dia. Tolerance	Lg., ft.	Type	Net Wt., lb.	Specs. Met		Each
110 Copper



		0.003"	-0.0001" to 0.0001"	6,000	Spool	1/4	ASTM B3	8873K39	000000


		0.005"	-0.0001" to 0.0001"	3,200	Spool	1/4	ASTM B3	8873K36	00000
		0.008"	-0.0001" to 0.0001"	1,965	Spool	1/4	ASTM B3	8873K32	00000
		0.01"	-0.0001" to 0.0001"	785	Spool	1/4	ASTM B3	8873K28	00000
		0.012"	-0.0001" to 0.0001"	495	Spool	1/4	ASTM B3	8873K26	00000
		0.012"	-0.0001" to 0.0001"	1,990	Spool	1	ASTM B3	8873K66	00000
		0.012"	-0.0001" to 0.0001"	9,950	Spool	5	ASTM B3	8873K91	000000
		0.012"	-0.0001" to 0.0001"	29,850	Spool	15	ASTM B3	8873K86	000000
		0.016"	-0.0004" to 0.0004"	315	Spool	1/4	ASTM B3	8873K24	00000
		0.016"	-0.0004" to 0.0004"	1,260	Spool	1	ASTM B3	8873K64	00000
		0.016"	-0.0004" to 0.0004"	6,300	Spool	5	ASTM B3	8873K92	000000


		0.016"	-0.0004" to 0.0004"	18,900	Spool	15	ASTM B3	8873K84	000000
		0.02"	-0.0004" to 0.0004"	195	Spool	1/4	ASTM B3	8873K22	0000
		0.02"	-0.0004" to 0.0004"	790	Spool	1	ASTM B3	8873K62	00000
		0.02"	-0.0004" to 0.0004"	3,965	Spool	5	ASTM B3	8873K93	000000
		0.02"	-0.0004" to 0.0004"	11,895	Spool	15	ASTM B3	8873K82	000000
		0.025"	-0.0004" to 0.0004"	125	Spool	1/4	ASTM B3	8873K19	0000
		0.025"	-0.0004" to 0.0004"	500	Spool	1	ASTM B3	8873K59	00000
		0.025"	-0.0004" to 0.0004"	2,505	Spool	5	ASTM B3	8873K94	000000
		0.025"	-0.0004" to 0.0004"	7,515	Spool	15	ASTM B3	8873K79	000000
		0.032"	-0.0004" to 0.0004"	78	Spool	1/4	ASTM B3	8873K17	0000


		0.032"	-0.0004" to 0.0004"	315	Spool	1	ASTM B3	8873K57	00000
		0.032"	-0.0004" to 0.0004"	1,575	Spool	5	ASTM B3	8873K95	000000
		0.032"	-0.0004" to 0.0004"	4,725	Spool	15	ASTM B3	8873K77	000000
		0.04"	-0.0004" to 0.0004"	49	Spool	1/4	ASTM B3	8873K15	0000
		0.04"	-0.0004" to 0.0004"	195	Spool	1	ASTM B3	8873K55	00000
		0.04"	-0.0004" to 0.0004"	995	Spool	5	ASTM B3	8873K96	000000
		0.04"	-0.0004" to 0.0004"	2,985	Spool	15	ASTM B3	8873K75	000000
		0.051"	-0.0006" to 0.0006"	31	Spool	1/4	ASTM B3	8873K13	0000
		0.051"	-0.0006" to 0.0006"	125	Spool	1	ASTM B3	8873K53	00000
		0.051"	-0.0006" to 0.0006"	630	Spool	5	ASTM B3	8873K97	000000


		0.051"	-0.0006" to 0.0006"	1,890	Spool	15	ASTM B3	8873K73	000000
		0.064"	-0.0006" to 0.0006"	20	Spool	1/4	ASTM B3	8873K11	0000
		0.064"	-0.0006" to 0.0006"	80	Spool	1	ASTM B3	8873K51	00000
		0.064"	-0.0006" to 0.0006"	400	Spool	5	ASTM B3	8873K98	000000
		0.064"	-0.0006" to 0.0006"	1,200	Spool	15	ASTM B3	8873K71	000000


		Tin-Coated 110 Copper



				0.005"	-0.0001" to 0.0001"	3,200	Spool	1/4	ASTM B33	8871K56	00000


				0.01"	-0.0001" to 0.0001"	785	Spool	1/4	ASTM B33	8871K48	00000
				0.013"	-0.0001" to 0.0001"	495	Spool	1/4	ASTM B33	8871K46	00000
				0.013"	-0.0001" to 0.0001"	1,990	Spool	1	ASTM B33	8871K86	00000
				0.013"	-0.0001" to 0.0001"	9,950	Spool	5	ASTM B33	8871K11	000000
				0.013"	-0.0001" to 0.0001"	29,850	Spool	15	ASTM B33	8871K96	000000
				0.016"	-0.0004" to 0.0004"	315	Spool	1/4	ASTM B33	8871K44	00000
				0.016"	-0.0004" to 0.0004"	1,260	Spool	1	ASTM B33	8871K84	00000
				0.016"	-0.0004" to 0.0004"	6,300	Spool	5	ASTM B33	8871K12	000000
0.016"				-0.0004" to 0.0004"	18,900	Spool	15	ASTM B33	8871K94	000000
0.02"	-0.0004" to 0.0004"			195	Spool	1/4	ASTM B33	8871K42	00000


0.02"	-0.0004" to 0.0004"			790	Spool	1	ASTM B33	8871K82	00000
0.02"	-0.0004" to 0.0004"			3,965	Spool	5	ASTM B33	8871K13	000000
0.02"	-0.0004" to 0.0004"			11,895	Spool	15	ASTM B33	8871K92	000000
0.025"	-0.0004" to 0.0004"			125	Spool	1/4	ASTM B33	8871K39	00000
0.025"	-0.0004" to 0.0004"			500	Spool	1	ASTM B33	8871K79	00000
0.025"	-0.0004" to 0.0004"			2,505	Spool	5	ASTM B33	8871K14	000000
0.025"	-0.0004" to 0.0004"			7,515	Spool	15	ASTM B33	8871K99	000000
0.032"	-0.0004" to 0.0004"			78	Spool	1/4	ASTM B33	8871K37	00000
0.032"	-0.0004" to 0.0004"			315	Spool	1	ASTM B33	8871K77	00000
0.032"	-0.0004" to 0.0004"			1,575	Spool	5	ASTM B33	8871K15	000000


0.032"	-0.0004" to 0.0004"			4,725	Spool	15	ASTM B33	8871K97	000000
0.04"	-0.0004" to 0.0004"			49	Spool	1/4	ASTM B33	8871K35	00000
0.04"	-0.0004" to 0.0004"			195	Spool	1	ASTM B33	8871K75	00000
0.04"	-0.0004" to 0.0004"			995	Spool	5	ASTM B33	8871K16	000000
0.04"	-0.0004" to 0.0004"			2,985	Spool	15	ASTM B33	8871K95	000000
0.051"	-0.006" to 0.006"			31	Spool	1/4	ASTM B33	8871K33	00000
0.051"	-0.006" to 0.006"			125	Spool	1	ASTM B33	8871K73	00000
0.051"	-0.006" to 0.006"			630	Spool	5	ASTM B33	8871K17	000000
0.051"	-0.006" to 0.006"			1,890	Spool	15	ASTM B33	8871K93	000000
0.064"	-0.006" to 0.006"			20	Spool	1/4	ASTM B33	8871K31	00000


0.064"	-0.006" to 0.006"			80	Spool	1	ASTM B33	8871K71	00000
0.064"	-0.006" to 0.006"			400	Spool	5	ASTM B33	8871K18	000000
0.064"	-0.006" to 0.006"			1,200	Spool	15	ASTM B33	8871K91	000000


High-Temperature Nickel-Clad 101 Copper



				0.02"	-0.0003" to 0.0003"	250	Spool	1/4	ASTM B355	1051N111	00000


				0.02"	-0.0003" to 0.0003"	1,000	Spool	1	ASTM B355	1051N112	000000
				0.025"	-0.0003" to 0.0003"	130	Spool	1/4	ASTM B355	1051N121	00000
				0.025"	-0.0003" to 0.0003"	520	Spool	1	ASTM B355	1051N122	000000
				0.032"	-0.0003" to 0.0003"	80	Spool	1/4	ASTM B355	1051N131	00000
				0.032"	-0.0003" to 0.0003"	320	Spool	1	ASTM B355	1051N132	000000
				0.04"	-0.0003" to 0.0003"	50	Spool	1/4	ASTM B355	1051N141	00000
				0.04"	-0.0003" to 0.0003"	200	Spool	1	ASTM B355	1051N142	000000
				0.051"	-0.0005" to 0.0005"	30	Spool	1/4	ASTM B355	1051N151	00000
				0.051"	-0.0005" to 0.0005"	120	Spool	1	ASTM B355	1051N152	000000
				0.064"	-0.0005" to 0.0005"	20	Spool	1/4	ASTM B355	1051N161	00000


		0.064"	-0.0005" to 0.0005"	80	Spool	1	ASTM B355	1051N162	000000
		0.08"	-0.0005" to 0.0005"	12	Spool	1/4	ASTM B355	1051N171	00000
		0.08"	-0.0005" to 0.0005"	50	Spool	1	ASTM B355	1051N172	000000
		1/8"	-0.001" to 0.001"	6	Spool	1/4	ASTM B355	1051N181	00000
		1/8"	-0.001" to 0.001"	25	Spool	1	ASTM B355	1051N182	000000

Brass Wire

Brass wire is stronger than copper wire, plus it’s conductive and won’t degrade from water. It stays in place when bent, so it’s often used for securing and bundling.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

				Container
	Dia.	Dia. Tolerance	Lg., ft.	Type	Net Wt., lb.	Specs. Met		Each
260 Brass



		0.02"	-0.008" to 0.008"	210	Spool	1/4	ASTM B134	8864K81	000000


		0.02"	-0.008" to 0.008"	850	Spool	1	ASTM B134	8864K71	00000
		0.025"	-0.008" to 0.008"	130	Spool	1/4	ASTM B134	8864K82	00000
		0.025"	-0.008" to 0.008"	535	Spool	1	ASTM B134	8864K72	00000
		0.032"	-0.008" to 0.008"	83	Spool	1/4	ASTM B134	8864K83	00000
		0.032"	-0.008" to 0.008"	335	Spool	1	ASTM B134	8864K73	00000
		0.04"	-0.008" to 0.008"	52	Spool	1/4	ASTM B134	8864K84	00000
		0.04"	-0.008" to 0.008"	210	Spool	1	ASTM B134	8864K74	00000
		0.051"	-0.008" to 0.008"	32	Spool	1/4	ASTM B134	8864K85	00000
		0.051"	-0.008" to 0.008"	130	Spool	1	ASTM B134	8864K75	00000
		0.064"	-0.008" to 0.008"	20	Spool	1/4	ASTM B134	8864K86	00000


		0.064"	-0.008" to 0.008"	83	Spool	1	ASTM B134	8864K76	00000

Bronze Wire

Formed into cotter pins and springs, bronze wire withstands repeated motion better than copper and brass wire. It's 510 bronze, so it contains phosphor for high strength and copper for formability. Also known as phosphor bronze.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

				Container
	Dia.	Dia. Tolerance	Lg., ft.	Type	Net Wt., lb.	Specs. Met		Each
510 Bronze



		0.020"	-0.001" to 0.001"	205	Coil	1/4	ASTM B159	9668K92	000000


		0.025"	-0.001" to 0.001"	129	Coil	1/4	ASTM B159	9668K49	00000
		0.025"	-0.001" to 0.001"	515	Coil	1	ASTM B159	9668K59	00000
		0.032"	-0.001" to 0.001"	81	Coil	1/4	ASTM B159	9668K51	00000
		0.032"	-0.001" to 0.001"	320	Coil	1	ASTM B159	9668K64	00000
		0.040"	-0.001" to 0.001"	51	Coil	1/4	ASTM B159	9668K53	00000
		0.051"	-0.001" to 0.001"	32	Coil	1/4	ASTM B159	9668K55	00000
		0.051"	-0.001" to 0.001"	127	Coil	1	ASTM B159	9668K68	00000
		0.064"	-0.001" to 0.001"	20	Coil	1/4	ASTM B159	9668K57	00000
		0.064"	-0.001" to 0.001"	81	Coil	1	ASTM B159	9668K71	00000
		0.081"	-0.001" to 0.001"	12	Coil	1/4	ASTM B159	9668K73	00000


		0.081"	-0.001" to 0.001"	50	Coil	1	ASTM B159	9668K83	00000