0.045" Wire | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

Forward

How can we improve?

37 Products

About Stainless Steel

View a wire gauge conversion chart.

About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Bend-and-Stay Multipurpose 304 Stainless Steel Wire

Bend this wire and it will stay put. Frequently used as tying wire and locking wire, 304 stainless steel is a good all-around choice for a wide range of applications.

For technical drawings and 3-D models, click on a part number.

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

Round Wire—Spools, Cans, and Coils

Spool with Round Wire

Coil

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 75,000 psi
Specifications Met: ASTM A580

					Container
Dia.	Dia. Tolerance	Lg., ft.	Fabrication	Max. Temperature, °F	Net Weight, lbs.	Type		Each
Matte
0.045"	-0.001" to 0.001"	46	Cold Drawn	550°	1/4	Spool	0000000	00000
0.045"	-0.001" to 0.001"	180	Cold Drawn	550°	1	Spool	0000000	00000
0.045"	-0.001" to 0.001"	915	Cold Drawn	550°	5	Coil	0000000	00000
0.045"	-0.001" to 0.001"	1,840	Cold Drawn	550°	10	Spool	0000000	000000

Round Wire—1-ft. Lengths

1-ft. Length

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 75,000 psi
Specifications Met: ASTM A580

					1 ft. Lg.
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.045"	-0.001" to 0.001"	Cold Drawn	550°	50	0000000	000000

Spring-Back Multipurpose 304 Stainless Steel Wire

This wire bounces back after bending. Often used to construct springs and wire rope, 304 stainless steel is a good all-around choice for a wide range of applications.

PTFE-coated wire has a slippery surface, so it’s especially useful as a fish wire when navigating through confined spaces.

For technical drawings and 3-D models, click on a part number.

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

Coils

Coil

Heat Treatment: Hardened
Tensile Strength: 205,000 psi
Specifications Met: ASTM A313, ASTM A555

				1/4 lbs. Coil			1 lbs. Coil
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Matte
0.045"	-0.001" to 0.001"	Cold Drawn	570°	46	0000000	00000	185	0000000	000000

1-ft. Lengths

1-ft. Length

Heat Treatment: Hardened
Tensile Strength: 205,000 psi
Specifications Met: ASTM A313, ASTM A555

					1 ft. Lg.
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.045"	-0.001" to 0.001"	Cold Drawn	570°	100	0000000	000000

PTFE-Coated Wire

PTFE-Coated Wire (68" Length)

Heat Treatment: Hardened
Tensile Strength: Not Rated
Specifications Met: ASTM A313

				68" Lg.
Dia.	Dia. Tolerance	Finish Color	Max. Temperature, °F		Each
0.045"	-0.0005" to 0.0005"	Gray	500°	0000000	000000

Bend-and-Stay Economical 430 Stainless Steel Wire

When bent, this wire will stay in place. Widely used as tying and locking wire, this economical wire won’t stand up as well as other stainless steel wire when used outdoors or in extreme temperatures.

For technical drawings and 3-D models, click on a part number.

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

Coils

Coil

Temper Rating: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

			1/4 lbs. Coil			1 lbs. Coil			5 lbs. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each	Lg., ft.		Each
Matte
0.045"	-0.001" to 0.001"	300°	46	00000000	00000	184	00000000	000000	920	00000000	000000

Bend-and-Stay Corrosion-Resistant 316 Stainless Steel Wire

Bend this wire and it will stay in place. It's widely used as tying and locking wire. Made of 316/316L stainless steel, it has less carbon than standard 316 for better weldability. The addition of molybdenum gives this material excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications.

For technical drawings and 3-D models, click on a part number.

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

Coils by Weight

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

1/4 lbs. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each
Matte
0.045"	-0.001" to 0.001"	400°	46	000000000	000000
1 lbs. Coil
Matte
0.045"	-0.001" to 0.001"	400°	184	000000000	00000
5 lbs. Coil
Matte
0.045"	-0.001" to 0.001"	400°	920	000000000	000000

Coils by Length

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

			30 ft. Lg.
Dia.	Dia. Tolerance	Max. Temperature, °F		Each
Matte
0.045"	-0.001" to 0.001"	400°	000000000	000000

Lengths

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

				1 ft. Lg.
Dia.	Dia. Tolerance	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.045"	-0.001" to 0.001"	400°	25	000000000	000000

Lubricated 1080 Spring Steel Wire

Heat Treatment: Hardened
Tensile Strength: 261,000 psi
Specifications Met: ASTM A228

Also known as music wire. This wire is coated with phosphate for corrosion resistance and lubricity. Use it for bundling and as tag wire. It will spring back after bending.

1/4 lbs. Coil
Dia.	Dia. Tolerance	Heat Treatment	Temperature Range	Lg., ft.		Each
0.045"	-0.0005" to 0.0005"	Hardened	Not Rated	46	0000000	00000
1 lbs. Coil
0.045"	-0.0005" to 0.0005"	Hardened	Not Rated	185	0000000	00000
5 lbs. Coil
0.045"	-0.0005" to 0.0005"	Hardened	Not Rated	925	0000000	00000

					1 ft. Lg.
Dia.	Dia. Tolerance	Heat Treatment	Temperature Range	Pkg. Qty.		Pkg.
0.045"	-0.0005" to 0.0005"	Hardened	Not Rated	100	0000000	000000

Easy-to-Form Nickel Chromium Alloy

Spool

Temper Rating: Softened
Tensile Strength: 100,000 psi
Specifications Met: ASTM B267, ASTM B344

Bend this wire and it will stay in place. This nickel-chromium, often called Chromel C, provides effortless formability. Use it for heating elements, resistance windings, and hot-wire cutters.

For technical drawings and 3-D models, click on a part number.

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

1/8 lb. Spool
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Electrical Resistivity	Lg., ft.		Each
Mirror-Like
0.045"	-0.00225" to 0.00225"	Cold Worked	1800°	0.333 ohms/ft	21	0000000	000000
1/4 lb. Spool
Mirror-Like
0.045"	-0.00225" to 0.00225"	Cold Worked	1800°	0.333 ohms/ft	43	0000000	00000
1 lb. Spool
Mirror-Like
0.045"	-0.00225" to 0.00225"	Cold Worked	1800°	0.333 ohms/ft	175	0000000	00000

MIG Welding Wire for Steel

2 lbs.
Dia.	Wire Type	Welding Current Designation	Shielding Gas Required	Shielding Gas Included	Approximate Lg. per Pound, ft.	Spool Dia.	Arbor Hole Size		Each
ER70S-6
0.045"	Solid	DCEP	Yes	No	195	4"	0.63"	00000000	000000
11 lbs.
ER70S-6
0.045"	Solid	DCEP	Yes	No	195	8"	2"	00000000	00000
33 lbs.
ER70S-6
0.045"	Solid	DCEP	Yes	No	195	12"	2"	00000000	000000
44 lbs.
ER70S-6
0.045"	Solid	DCEP	Yes	No	195	12"	2"	00000000	000000

MIG Welding Wire for Thin-Gauge Steel

Use this wire on steel sheets.

2lbs.
Dia.	Welding Wire Type	Welding Current Designation	Shielding Gas Required	Approximate Lg. per Pound, ft.	Spool Dia.	Arbor Hole Size		Each
E71T-GS
0.045"	Flux Core	DCEN	No	210	4"	0.63"	00000000	000000
10lbs.
E71T-GS
0.045"	Flux Core	DCEN	No	210	8"	2"	00000000	000000
33lbs.
E71T-GS
0.045"	Flux Core	DCEN	No	100	12"	2"	00000000	000000

High-Strength MIG Welding Wire for Steel

This wire creates stronger welds on steel than standard welding wire for steel.

11 lbs.
Dia.	Wire Type	Welding Current Designation	Shielding Gas Required	Shielding Gas Included	Approximate Lg. per Pound, ft.	Spool Dia.	Arbor Hole Size		Each
ER80S-D2
0.045"	Solid	DCEP	Yes	No	180	8"	2"	00000000	000000
33 lbs.
ER80S-D2
0.045"	Solid	DCEP	Yes	No	175	12"	2"	0000000	000000
ER120S-1
0.045"	Solid	DCEP	Yes	No	180	12"	2"	00000000	000000

MIG Welding Wire for Vertical and Overhead Welding on Steel

						33 lbs.
Dia.	Welding Wire Type	Welding Current Designation	Shielding Gas Required	Shielding Gas Included	Approximate Lg. per Pound, ft.	Arbor Hole Size	Spool Dia.		Each
E71T-1
0.045"	Flux Core	DCEP	Yes	No	200	2"	12"	00000000	0000000

MIG Welding Wire for Stainless Steel

ER308L wire is for 304 and 304L stainless steel.

ER308L

2 lbs.
Dia.	Wire Type	Welding Current Designation	Shielding Gas Required	Shielding Gas Included	Approximate Lg. per Pound, ft.	Spool Dia.	Arbor Hole Size		Each
0.045"	Solid	DCEP	Yes	No	195	4"	0.63"	00000000	000000
10 lbs.
0.045"	Solid	DCEP	Yes	No	195	8"	2"	00000000	000000