Muntz Metal | McMaster-Carr

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Thermal Conductivity @ Temperature

67 BTU/(hr⋅ft⋅°F) @ 68° F

71 BTU/(hr⋅ft⋅°F) @ 68° F

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Compliant with Exemptions

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14,000 ksi

15,000 ksi

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EAR99

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157 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.

Brushed Weldable Marine-Grade 464 Brass Sheets

Yield Strength: 58,000 psi
Hardness: Rockwell B80 (Medium)
Temper: H01 (1/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B171

One side of these sheets has a brushed finish with grain lines running in one direction to mask fingerprints. The brushed side comes covered with a protective peel-off film. A lead-free alternative to 485 brass, 464 brass offers good weldability, strength, and wear resistance. It’s widely used for marine hardware, pump and propeller shafts, and rivets.

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.

12" × 12"
Thick.	Thick. Tolerance Range	Mechanical Finish	Flatness Tolerance		Each
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	00000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	00000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
12" × 24"
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	00000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
24" × 24"
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	00000000

Weldable Marine-Grade 464 Brass Sheets and Bars

A lead-free alternative to 485 brass, 464 brass offers good weldability, strength, and wear resistance. It’s widely used for marine hardware, pump and propeller shafts, and rivets.

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.

Sheets

Yield Strength: 20,000 psi
Hardness: Not Rated
Temper: Not Rated
Heat Treatable: No
Specifications Met: ASTM B171

		6" × 6"		12" × 12"
Thick.	Thick. Tolerance Range		Each		Each
1/4"	-0.02" to 0.02"	0000000	000000	0000000	0000000
1/2"	-0.05" to 0.05"	0000000	000000	0000000	000000
3/4"	-0.056" to 0.056"	0000000	000000	0000000	000000
1"	-0.066" to 0.066"	0000000	000000	0000000	000000
1 1/4"	-0.076" to 0.076"	0000000	000000	0000000	000000
1 1/2"	-0.076" to 0.076"	0000000	000000	0000000	00000000

Bars

Yield Strength: 22,000 psi
Hardness: Rockwell B55 (Soft)
Temper: H02 (1/2 Hard)
Heat Treatable: No
Specifications Met: ASTM B21

1/4" Thick. (-0.005" to 0.005" Tolerance)
Wd.	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1"	1/2" per 10 ft.	0000000	000000	000000	0000000
1 1/2"	1/2" per 10 ft.	0000000	00000	00000	000000
3/8" Thick. (-0.005" to 0.005" Tolerance)
4"	1/2" per 10 ft.	0000000	000000	000000	000000
1/2" Thick. (-0.005" to 0.005" Tolerance)
1/2"	1/2" per 10 ft.	0000000	00000	00000	000000
1"	1/2" per 10 ft.	0000000	00000	000000	000000
1 1/2"	1/2" per 10 ft.	0000000	00000	000000	000000
2"	1/2" per 10 ft.	0000000	00000	000000	000000
2 1/2"	1/2" per 10 ft.	0000000	000000	000000	000000
3"	1/2" per 10 ft.	0000000	000000	000000	000000
5/8" Thick. (-0.006" to 0.006" Tolerance)
5/8"	1/2" per 10 ft.	0000000	00000	00000	000000
3/4" Thick. (-0.006" to 0.006" Tolerance)
3/4"	1/2" per 10 ft.	0000000	00000	000000	000000
1"	1/2" per 10 ft.	0000000	00000	000000	000000
1 1/2"	1/2" per 10 ft.	0000000	000000	000000	000000
3"	1/2" per 10 ft.	0000000	000000	000000	000000
1" Thick. (-0.006" to 0.006" Tolerance)
1"	1/2" per 10 ft.	0000000	00000	000000	000000
1 1/4"	1/2" per 10 ft.	0000000	000000	000000	000000
1 1/2"	1/2" per 10 ft.	0000000	000000	000000	000000
2"	1/2" per 10 ft.	0000000	000000	000000	000000
3"	1/2" per 10 ft.	0000000	000000	000000	000000
1 1/2" Thick. (-0.007" to 0.007" Tolerance)
1 1/2"	1/2" per 10 ft.	0000000	000000	000000	000000
2" Thick. (-0.007" to 0.007" Tolerance)
2"	1/2" per 10 ft.	0000000	000000	000000	00000000

Mirror-Like Weldable Marine-Grade 464 Brass Sheets

Yield Strength: 58,000 psi
Hardness: Rockwell B80 (Medium)
Temper: H01 (1/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B171

Polished on one side to a reflective, mirror-like finish, these sheets come covered with a protective peel-off film. A lead-free alternative to 485 brass, 464 brass offers good weldability, strength, and wear resistance. It’s widely used for marine hardware, pump and propeller shafts, and rivets.

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.

12" × 12"
Thick.	Thick. Tolerance Range	Mechanical Finish	Flatness Tolerance		Each
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	00000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
12" × 24"
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
24" × 24"
0.032"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.04"	-0.005" to 0.005"	Polished	1/2" per 24"	0000000	000000
0.062"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.08"	-0.007" to 0.007"	Polished	1/2" per 24"	0000000	000000
0.125"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.187"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	000000
0.25"	-0.01" to 0.01"	Polished	1/2" per 24"	0000000	00000000

Weldable Marine-Grade 464 Brass Rods

Yield Strength: 22,000 psi
Hardness: Rockwell B55 (Soft)
Temper: H02 (1/2 Hard)
Heat Treatable: No
Specifications Met: ASTM B21

A lead-free alternative to 485 brass, 464 brass offers good weldability, strength, and wear resistance. It’s widely used for marine hardware, pump and propeller shafts, and rivets.

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.

Dia.	Dia. Tolerance Range	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
3/16"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	000000	000000
1/4"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	0000	00000	00000
5/16"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	00000
3/8"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	00000
7/16"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	00000
1/2"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	00000
9/16"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	00000
5/8"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	000000
3/4"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	00000	000000
7/8"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	000000	000000
1"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	000000	000000
1 1/4"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	00000	000000	000000
1 1/2"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	000000	000000	000000
2"	-0.003" to 0.003"	1/2" per 10 ft.	0000000	000000	000000	000000

Easy-to-Machine Architectural 385 Brass Bars

Yield Strength: 16,000 psi
Hardness: Rockwell B40 (Soft)
Temper: See table
Heat Treatable: No
Specifications Met: ASTM B455

Often called architectural bronze, 385 brass is easy to machine and has excellent formability when heated. It is typically used for handrails, ornamental trim, and hardware, such as hinges and lock bodies.

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" Thick. (-0.01" to 0.01" Tolerance)
Wd.	Temper		2 ft. Lg.	4 ft. Lg.	6 ft. Lg.
1/2"	M30	0000000	000000	000000	000000
3/4"	M30	0000000	00000	00000	00000
1"	M30	0000000	00000	00000	00000
1 1/4"	Not Rated	0000000	00000	00000	00000
1 1/2"	M30	0000000	00000	00000	00000
2"	M30	0000000	00000	00000	000000
3/16" Thick. (-0.01" to 0.01" Tolerance)
1"	M30	0000000	00000	00000	00000
1/4" Thick. (-0.045" to 0.045" Tolerance)
1/4"	M30	0000000	00000	00000	00000
1/4" Thick. (-0.01" to 0.01" Tolerance)
1/2"	M30	0000000	00000	00000	00000
1"	M30	0000000	00000	00000	000000
1 1/2"	M30	0000000	00000	000000	000000
2"	M30	0000000	00000	000000	000000
3"	M30	0000000	000000	000000	000000
3/8" Thick. (-0.01" to 0.01" Tolerance)
1/2"	M30	0000000	00000	00000	000000
3/4"	M30	0000000	00000	00000	000000
1"	M30	0000000	00000	000000	000000
2"	M30	0000000	000000	000000	000000
1/2" Thick. (-0.01" to 0.01" Tolerance)
1/2"	M30	0000000	00000	00000	000000
3/4"	M30	0000000	00000	000000	000000
1"	M30	0000000	00000	000000	000000
2"	M30	0000000	000000	000000	000000
3/4" Thick. (-0.01" to 0.01" Tolerance)
3/4"	M30	0000000	00000	000000	000000
1"	M30	0000000	000000	000000	000000
1" Thick. (-0.01" to 0.01" Tolerance)
1"	M30	0000000	000000	000000	000000

Easy-to-Machine Architectural 385 Brass U-Channels

Yield Strength: 16,000 psi
Hardness: Rockwell B40 (Soft)
Temper: M30
Heat Treatable: No
Specifications Met: ASTM B455

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.

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.		4 ft. Lg.	6 ft. Lg.
0.093" Wall Thick. (-0.0009" to 0.0009" Tolerance)
1/2"	-0.005" to 0.005"	1/2"	-0.005" to 0.005"	0.407"	0.314"	0000000	000000	000000
3/4"	-0.008" to 0.008"	1/2"	-0.005" to 0.005"	0.657"	0.314"	0000000	00000	00000
1/8" Wall Thick. (-0.0013" to 0.0013" Tolerance)
3/4"	-0.008" to 0.008"	3/4"	-0.008" to 0.008"	5/8"	1/2"	0000000	00000	000000
1"	-0.001" to 0.001"	1"	-0.001" to 0.001"	7/8"	3/4"	0000000	000000	000000
1 1/4"	-0.001" to 0.001"	1 1/4"	-0.001" to 0.001"	1 1/8"	1"	0000000	000000	000000

Easy-to-Machine Architectural 385 Brass 90° Angles

Yield Strength: 16,000 psi
Hardness: Rockwell B40 (Soft)
Temper: M30
Heat Treatable: No
Specifications Met: ASTM B455

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.

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.		2 ft. Lg.	4 ft. Lg.	6 ft. Lg.
1/16" Wall Thick. (-0.0006" to 0.0006" Tolerance)
3/4"	-0.008" to 0.008"	3/4"	-0.008" to 0.008"	11/16"	11/16"	0000000	000000	000000	000000
1/8" Wall Thick. (-0.0013" to 0.0013" Tolerance)
1/2"	-0.005" to 0.005"	1/2"	-0.005" to 0.005"	3/8"	3/8"	0000000	00000	00000	00000
3/4"	-0.008" to 0.008"	3/4"	-0.008" to 0.008"	5/8"	5/8"	0000000	00000	00000	00000
1"	-0.01" to 0.01"	3/4"	-0.008" to 0.008"	7/8"	5/8"	0000000	00000	00000	000000
1"	-0.01" to 0.01"	1"	-0.01" to 0.01"	7/8"	7/8"	0000000	00000	00000	000000
1 1/4"	-0.013" to 0.013"	1 1/4"	-0.013" to 0.013"	1 1/8"	1 1/8"	0000000	00000	000000	000000
1 1/2"	-0.015" to 0.015"	1 1/2"	-0.015" to 0.015"	1 3/8"	1 3/8"	0000000	00000	000000	000000
2"	-0.02" to 0.02"	2"	-0.02" to 0.02"	1 7/8"	1 7/8"	0000000	00000	000000	000000
3/16" Wall Thick. (-0.0019" to 0.0019" Tolerance)
1"	-0.01" to 0.01"	1"	-0.01" to 0.01"	13/16"	13/16"	0000000	00000	000000	000000
1 1/4"	-0.013" to 0.013"	1 1/4"	-0.013" to 0.013"	1 1/16"	1 1/16"	0000000	00000	000000	000000
1 1/2"	-0.015" to 0.015"	1 1/2"	-0.015" to 0.015"	1 5/16"	1 5/16"	0000000	000000	000000	000000
2"	-0.02" to 0.02"	2"	-0.02" to 0.02"	1 13/16"	1 13/16"	0000000	000000	000000	000000
1/4" Wall Thick. (-0.0025" to 0.0025" Tolerance)
1 1/2"	-0.015" to 0.015"	1 1/2"	-0.015" to 0.015"	1 1/4"	1 1/4"	0000000	000000	000000	000000
2"	-0.02" to 0.02"	2"	-0.02" to 0.02"	1 3/4"	1 3/4"	0000000	000000	000000	000000
3"	-0.03" to 0.03"	3"	-0.03" to 0.03"	2 3/4"	2 3/4"	0000000	000000	000000	000000

Easy-to-Machine Architectural 385 Brass Rods

Yield Strength:
Inch sizes: 16,000 psi
Metric sizes: 21,000 psi
Hardness:
Inch sizes: Rockwell B40 (Soft)
Metric sizes: Rockwell B55 (Soft)
Temper:
Inch sizes: M30
Metric sizes: Not Rated
Heat Treatable: No
Specifications Met:
Inch sizes: ASTM B455
Metric Sizes: European Standard EN 12164

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.

Dia.	Dia. Tolerance Range		2 ft. Lg.	4 ft. Lg.	6 ft. Lg.
1/4"	-0.002" to 0.002"	0000000	000000	000000	000000
1/2"	-0.002" to 0.002"	0000000	00000	00000	00000
3/4"	-0.002" to 0.002"	0000000	00000	000000	000000

			1 m Lg.
Dia., mm	Dia. Tolerance Range, mm	Straightness Tolerance		Each
2	-0.05	Not Rated	0000000	00000
3	-0.05	Not Rated	0000000	0000
4	-0.05	Not Rated	0000000	00000
5	-0.05	Not Rated	0000000	00000
6	-0.05	Not Rated	0000000	00000
8	-0.08	Not Rated	0000000	00000
10	-0.08	.4 mm per 400 mm	0000000	00000
20	-0.08	.4 mm per 400 mm	0000000	000000

Marine-Grade 485 Brass

Yield Strength: 25,000 psi
Hardness:
3/16" to 3/8" dia. rods: Not Rated
All other sizes: Rockwell B60 (Soft)
Temper:
3" dia. rods: M30
All other sizes: H02 (1/2 Hard)
Heat Treatable: No
Specifications Met: ASTM B21

Also known as high-leaded naval brass, 485 brass contains lead for good machinability. It is commonly used for marine hardware, valve stems, and screw machine products.

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.

Dia.	Dia. Tolerance Range		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
5/16"	-0.002" to 0.002"	0000000	00000	000000	000000
1/2"	-0.002" to 0.002"	0000000	00000	00000	00000
5/8"	-0.002" to 0.002"	0000000	00000	00000	000000
3/4"	-0.002" to 0.002"	0000000	00000	00000	000000
7/8"	-0.002" to 0.002"	0000000	00000	000000	000000
1"	-0.002" to 0.002"	0000000	00000	000000	000000
1 1/8"	-0.003" to 0.003"	0000000	00000	000000	000000
1 1/4"	-0.003" to 0.003"	0000000	00000	000000	000000
1 3/8"	-0.003" to 0.003"	0000000	000000	000000	000000
1 1/2"	-0.003" to 0.003"	0000000	000000	000000	000000
1 3/4"	-0.003" to 0.003"	0000000	000000	000000	000000
2"	-0.003" to 0.003"	0000000	000000	000000	000000
3"	-0.005" to 0.005"	0000000	000000	00000000	00000000