1/4 Hard Brass | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thickness Thickness

	Width Width

12"

24"

	Length Length

	Diameter Diameter

	Shape Shape

	Sheet and Bar
	Rod and Disc

	Material Material

260 Brass

464 Brass

	Appearance Appearance

Plain

Mirror-Like

Brushed

	Temper Rating Temper Rating	Show

1/4 Hard

	Temper Rating Temper Rating	Hide

	Specifications Met Specifications Met

ASTM B36

ASTM B134

ASTM B171

	Temper Temper

H02

H01

	Hardness Rating Hardness Rating

Soft

Medium

Not Rated

	Hardness Hardness

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Yield Strength Yield Strength

Less than 20,000 psi

30,000 psi or greater

	Tolerance Rating Tolerance Rating

Standard

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Modulus of Elasticity Modulus of Elasticity

15.0 ksi × 10³

16.0 ksi × 10³

	Melting Point Temperature Melting Point Temperature

1630° F

1680° F

	Surface Resistivity Surface Resistivity

37.5 Ohms

39.9 Ohms

	Thermal Conductivity Thermal Conductivity

67 Btu/hr. × ft./°F @ 68° F

70 Btu/hr. × ft./°F @ 68° F

	Density Density

0.304 lbs./cu. in.

0.308 lbs./cu. in.

	Elongation Elongation

19%

27%

43%

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77 Products

About Copper, Brass, and Bronze

The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

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 ACTIVITY after your order ships.

Sheets

Yield Strength: See table
Hardness: See table
Temper: See table
Heat Treatable: No
Specifications Met: ASTM B36

2" × 36"
Thick.	Thick. Tolerance Range	Yield Strength, psi	Hardness	Temper		Each
1/2"	-0.015" to 0.015"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	0000000
3/4"	-0.02" to 0.02"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
1"	-0.024" to 0.024"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
4" × 36"
1/2"	-0.015" to 0.015"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
3/4"	-0.02" to 0.02"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
1"	-0.024" to 0.024"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
6" × 6"
1/2"	-0.015" to 0.015"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
3/4"	-0.02" to 0.02"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
1"	-0.024" to 0.024"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
6" × 36"
1/2"	-0.015" to 0.015"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
3/4"	-0.02" to 0.02"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	00000000
1"	-0.024" to 0.024"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	00000000
12" × 12"
1/2"	-0.015" to 0.015"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
3/4"	-0.02" to 0.02"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000
1"	-0.024" to 0.024"	52,000	Rockwell B50 (Soft)	H01 (1/4 Hard)	00000000	000000

Brushed Ultra-Formable 260 Brass Sheets

Yield Strength: 40,000 psi
Hardness: Rockwell B45 (Soft)
Temper: H01 (1/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B134, ASTM B36

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. The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

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 ACTIVITY after your order ships.

Thick.	Thick. Tolerance	Mechanical Finish	Flatness Tolerance		12" × 12"	12" × 24"	24" × 24"
0.032"	-0.005" to 0.005"	Polished	0.125"	00000000	000000	000000	0000000
0.04"	-0.005" to 0.005"	Polished	0.125"	00000000	00000	00000	000000
0.05"	-0.005" to 0.005"	Polished	0.125"	00000000	00000	000000	000000
0.062"	-0.007" to 0.007"	Polished	0.125"	00000000	00000	000000	000000
0.08"	-0.007" to 0.007"	Polished	0.125"	00000000	000000	000000	000000
0.125"	-0.01" to 0.01"	Polished	0.125"	00000000	000000	000000	000000
0.187"	-0.01" to 0.01"	Polished	0.125"	00000000	000000	000000	000000

Mirror-Like Ultra-Formable 260 Brass Sheets

Yield Strength: 40,000 psi
Hardness: Rockwell B45 (Soft)
Temper: H01 (1/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B134, ASTM B36

Polished on one side to a reflective, mirror-like finish, these sheets come covered with a protective peel-off film. The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

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 ACTIVITY after your order ships.

Thick.	Thick. Tolerance	Mechanical Finish	Flatness Tolerance		12" × 12"	12" × 24"	24" × 24"
0.032"	-0.005" to 0.005"	Polished	0.125"	00000000	000000	0000000	0000000
0.04"	-0.005" to 0.005"	Polished	0.125"	00000000	00000	000000	000000
0.05"	-0.005" to 0.005"	Polished	0.125"	00000000	00000	000000	000000
0.062"	-0.007" to 0.007"	Polished	0.125"	00000000	00000	000000	000000
0.08"	-0.007" to 0.007"	Polished	0.125"	00000000	000000	000000	000000
1/8"	-0.01" to 0.01"	Polished	0.125"	00000000	000000	000000	000000
0.187"	-0.01" to 0.01"	Polished	0.125"	00000000	000000	000000	000000

Ultra-Formable 260 Brass Rods

Yield Strength:
Inch sizes: Not Rated
Metric sizes: 9,000 psi
Hardness: Not Rated
Temper:
Inch sizes: H02 (1/2 Hard) to H03 (3/4 Hard)
Metric sizes: H01 (1/4 Hard) to H02 (1/2 Hard)
Heat Treatable: No
Specifications Met: ASTM B134

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

			300 mm Lg.
Dia., mm	Dia. Tolerance Range, mm	Pkg. Qty.		Pkg.
1	-0.051 to 0.051	5	00000000	00000
2	-0.051 to 0.051	4	00000000	0000
2.5	-0.051 to 0.051	4	00000000	0000
3	-0.051 to 0.051	3	00000000	0000
3.5	-0.051 to 0.051	3	00000000	0000
4	-0.051 to 0.051	3	00000000	0000

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 ACTIVITY after your order ships.

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

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 ACTIVITY after your order ships.

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

About Copper, Brass, and Bronze

Ultra-Formable 260 Brass Sheets and Strips

Brushed Ultra-Formable 260 Brass Sheets

Mirror-Like Ultra-Formable 260 Brass Sheets

Ultra-Formable 260 Brass Rods

Brushed Weldable Marine-Grade 464 Brass Sheets

Mirror-Like Weldable Marine-Grade 464 Brass Sheets