Brass Hollow Bars | McMaster-Carr

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	Shape Shape


Round Tube	Rectangular Tube

Hex Tube

	System of Measurement System of Measurement

Inch

Metric

	OD OD

	ID ID

	Wall Thickness Wall Thickness

	Material Material

260 Brass

330 Brass

	Length Length

	Temper Temper

	Hardness Rating Hardness Rating

Soft

Medium

Not Rated

	Yield Strength Yield Strength

60,000 psi

Not Rated

	Surface Resistivity Surface Resistivity

37.5 Ohms

39.9 Ohms

	Temper Rating Temper Rating

1/2 Hard

3/4 Hard

Full Hard

	Hardness Hardness

Rockwell B55

Rockwell B75

Not Rated

	Density Density

0.307 lbs./cu. in.

0.308 lbs./cu. in.

	Thermal Conductivity Thermal Conductivity

67 Btu/hr. × ft./°F @ 68° F

70 Btu/hr. × ft./°F @ 68° F

	Melting Point Temperature Melting Point Temperature

1660° F

1680° F

	Modulus of Elasticity Modulus of Elasticity

15.0 ksi × 10³

16.0 ksi × 10³

	Elongation Elongation

27%

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Outside Width Outside Width

	Outside Height Outside Height

	Inside Width Inside Width

	Inside Height Inside Height

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137 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.

Tubes with 0.014" and 0.45 mm wall thicknesses allow you to create telescoping tubes; each tube fits inside the next larger size.

Tubes

Yield Strength: Not Rated
Hardness:
0.014" wall thick.: Not Rated
All other sizes: Rockwell B55 (Soft)
Temper:
0.014" wall thick.: H02 (1/2 Hard) to H03 (3/4 Hard)
All other sizes: H58
Heat Treatable: No
Specifications Met: ASTM B135

1 ft. Lg.
OD	OD Tolerance Range	ID	Pkg. Qty.		Pkg.
0.014" Wall Thick. (-0.001" to 0.001" Tolerance)
1/16"	-0.002" to 0.002"	0.035"	3	00000000	00000
3/32"	-0.002" to 0.002"	0.066"	3	0000000	0000
1/8"	-0.002" to 0.002"	0.097"	1	0000000	0000
5/32"	-0.002" to 0.002"	0.128"	1	0000000	0000
3/16"	-0.002" to 0.002"	0.16"	1	0000000	0000
7/32"	-0.002" to 0.002"	0.191"	1	0000000	0000
1/4"	-0.002" to 0.002"	0.222"	1	0000000	0000
9/32"	-0.002" to 0.002"	0.253"	1	0000000	0000
5/16"	-0.002" to 0.002"	0.285"	1	0000000	0000
11/32"	-0.002" to 0.002"	0.316"	1	0000000	0000
3/8"	-0.002" to 0.002"	0.347"	1	0000000	0000
13/32"	-0.002" to 0.002"	0.378"	1	0000000	0000
7/16"	-0.002" to 0.002"	0.41"	1	0000000	0000
15/32"	-0.002" to 0.002"	0.441"	1	0000000	0000
1/2"	-0.002" to 0.002"	0.472"	1	0000000	0000
17/32"	-0.002" to 0.002"	0.503"	1	0000000	0000
9/16"	-0.002" to 0.002"	0.535"	1	0000000	0000
19/32"	-0.002" to 0.002"	0.566"	1	0000000	0000
5/8"	-0.002" to 0.002"	0.597"	1	0000000	0000
21/32"	-0.002" to 0.002"	0.628"	1	0000000	0000
					Each
0.032" Wall Thick. (-0.004" to 0.004" Tolerance)
3/16"	-0.004" to 0.004"	0.124"	__	00000000	0000
1/4"	-0.004" to 0.004"	0.186"	__	00000000	0000
5/16"	-0.004" to 0.004"	0.249"	__	00000000	0000
3/8"	-0.004" to 0.004"	0.311"	__	00000000	0000
1/2"	-0.004" to 0.004"	0.436"	__	00000000	0000
1"	-0.004" to 0.004"	0.936"	__	00000000	00000
1 3/8"	-0.004" to 0.004"	1.311"	__	00000000	00000
2 1/4"	-0.004" to 0.004"	2.186"	__	00000000	00000
0.049" Wall Thick. (-0.004" to 0.004" Tolerance)
3/16"	-0.004" to 0.004"	0.09"	__	00000000	0000
1/4"	-0.004" to 0.004"	0.152"	__	00000000	0000
5/16"	-0.004" to 0.004"	0.215"	__	00000000	0000
3/8"	-0.004" to 0.004"	0.277"	__	00000000	00000
5/8"	-0.004" to 0.004"	0.527"	__	00000000	00000
3/4"	-0.004" to 0.004"	0.652"	__	00000000	00000
7/8"	-0.004" to 0.004"	0.777"	__	00000000	00000
0.065" Wall Thick. (-0.006" to 0.006" Tolerance)
1/4"	-0.004" to 0.004"	0.12"	__	00000000	0000
5/16"	-0.004" to 0.004"	0.183"	__	00000000	00000
3/8"	-0.004" to 0.004"	0.245"	__	00000000	00000
7/16"	-0.004" to 0.004"	0.308"	__	00000000	00000
1/2"	-0.004" to 0.004"	0.37"	__	00000000	00000
5/8"	-0.004" to 0.004"	0.495"	__	00000000	00000
3/4"	-0.004" to 0.004"	0.62"	__	00000000	00000
7/8"	-0.004" to 0.004"	0.745"	__	00000000	00000
1"	-0.004" to 0.004"	0.87"	__	00000000	00000
1 1/8"	-0.004" to 0.004"	0.995"	__	00000000	00000
1 1/4"	-0.004" to 0.004"	1.12"	__	00000000	00000
1 3/8"	-0.004" to 0.004"	1.245"	__	00000000	00000
1 1/2"	-0.004" to 0.004"	1.37"	__	00000000	00000
1 5/8"	-0.004" to 0.004"	1.495"	__	00000000	00000
1 3/4"	-0.004" to 0.004"	1.62"	__	00000000	00000
1 7/8"	-0.004" to 0.004"	1.745"	__	00000000	00000
2 1/2"	-0.004" to 0.004"	2.37"	__	00000000	00000
					Pkg.
3 ft. Lg.
0.014" Wall Thick. (-0.001" to 0.001" Tolerance)
1/16"	-0.002" to 0.002"	0.035"	5	00000000	00000
3/32"	-0.002" to 0.002"	0.066"	5	00000000	00000
1/8"	-0.002" to 0.002"	0.097"	5	00000000	00000
5/32"	-0.002" to 0.002"	0.128"	5	00000000	00000
3/16"	-0.002" to 0.002"	0.16"	6	00000000	00000
7/32"	-0.002" to 0.002"	0.191"	6	00000000	00000
1/4"	-0.002" to 0.002"	0.222"	5	00000000	00000
9/32"	-0.002" to 0.002"	0.253"	5	00000000	00000
5/16"	-0.002" to 0.002"	0.285"	4	00000000	00000
11/32"	-0.002" to 0.002"	0.316"	1	00000000	0000
3/8"	-0.002" to 0.002"	0.347"	3	00000000	00000
13/32"	-0.002" to 0.002"	0.378"	1	00000000	0000
7/16"	-0.002" to 0.002"	0.41"	1	00000000	0000
15/32"	-0.002" to 0.002"	0.441"	1	00000000	00000
1/2"	-0.002" to 0.002"	0.472"	1	00000000	00000
17/32"	-0.002" to 0.002"	0.503"	1	00000000	00000
9/16"	-0.002" to 0.002"	0.535"	1	00000000	00000
19/32"	-0.002" to 0.002"	0.566"	1	00000000	00000
5/8"	-0.002" to 0.002"	0.597"	1	00000000	00000
21/32"	-0.002" to 0.002"	0.628"	1	00000000	00000
					Each
0.032" Wall Thick. (-0.004" to 0.004" Tolerance)
3/16"	-0.004" to 0.004"	0.124"	__	00000000	00000
1/4"	-0.004" to 0.004"	0.186"	__	00000000	00000
5/16"	-0.004" to 0.004"	0.249"	__	00000000	00000
3/8"	-0.004" to 0.004"	0.311"	__	00000000	00000
1/2"	-0.004" to 0.004"	0.436"	__	00000000	00000
1"	-0.004" to 0.004"	0.936"	__	00000000	00000
1 3/8"	-0.004" to 0.004"	1.311"	__	00000000	00000
2 1/4"	-0.004" to 0.004"	2.186"	__	00000000	00000
0.049" Wall Thick. (-0.004" to 0.004" Tolerance)
3/16"	-0.004" to 0.004"	0.09"	__	00000000	00000
1/4"	-0.004" to 0.004"	0.152"	__	00000000	00000
5/16"	-0.004" to 0.004"	0.215"	__	00000000	00000
3/8"	-0.004" to 0.004"	0.277"	__	00000000	00000
5/8"	-0.004" to 0.004"	0.527"	__	00000000	00000
3/4"	-0.004" to 0.004"	0.652"	__	00000000	00000
7/8"	-0.004" to 0.004"	0.777"	__	00000000	00000
0.065" Wall Thick. (-0.006" to 0.006" Tolerance)
1/4"	-0.004" to 0.004"	0.12"	__	00000000	00000
5/16"	-0.004" to 0.004"	0.183"	__	00000000	00000
3/8"	-0.004" to 0.004"	0.245"	__	00000000	00000
7/16"	-0.004" to 0.004"	0.308"	__	00000000	00000
1/2"	-0.004" to 0.004"	0.37"	__	00000000	00000
5/8"	-0.004" to 0.004"	0.495"	__	00000000	00000
3/4"	-0.004" to 0.004"	0.62"	__	00000000	00000
7/8"	-0.004" to 0.004"	0.745"	__	00000000	00000
1"	-0.004" to 0.004"	0.87"	__	00000000	00000
1 1/8"	-0.004" to 0.004"	0.995"	__	00000000	00000
1 1/4"	-0.004" to 0.004"	1.12"	__	00000000	00000
1 3/8"	-0.004" to 0.004"	1.245"	__	00000000	00000
1 1/2"	-0.004" to 0.004"	1.37"	__	00000000	00000
1 5/8"	-0.004" to 0.004"	1.495"	__	00000000	000000
1 3/4"	-0.004" to 0.004"	1.62"	__	00000000	000000
1 7/8"	-0.004" to 0.004"	1.745"	__	00000000	000000
2 1/2"	-0.004" to 0.004"	2.37"	__	00000000	000000

Metric Tubes

Yield Strength: Not Rated
Hardness: Not Rated
Temper: H02 (1/2 Hard) to H03 (3/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B135

				300 mm Lg.
OD, mm	OD Tolerance Range, mm	ID, mm	Pkg. Qty.		Pkg.
0.45 mm Wall Thick. (-0.025 to 0.025 mm Tolerance)
2	-0.051 to 0.051	1.1	4	00000000	00000
3	-0.051 to 0.051	2.1	4	00000000	0000
4	-0.051 to 0.051	3.1	3	00000000	0000
5	-0.051 to 0.051	4.1	3	00000000	0000
6	-0.051 to 0.051	5.1	2	00000000	0000
7	-0.051 to 0.051	6.1	2	00000000	0000
8	-0.051 to 0.051	7.1	2	00000000	0000
9	-0.051 to 0.051	8.1	1	00000000	0000
10	-0.051 to 0.051	9.1	1	00000000	0000

Ultra-Formable 260 Brass Rectangular Tubes

Yield Strength: Not Rated
Hardness: Not Rated
Temper: H02 (1/2 Hard) to H03 (3/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B135

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

Outside				Inside			1 ft. Lg.
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.	Pkg. Qty.		Pkg.
0.014" Wall Thick. (-0.001" to 0.001" Tolerance)
1/16"	-0.002" to 0.002"	1/16"	-0.002" to 0.002"	0.035"	0.035"	2	00000000	00000
3/32"	-0.002" to 0.002"	3/32"	-0.002" to 0.002"	0.066"	0.066"	2	00000000	0000
3/32"	-0.002" to 0.002"	3/16"	-0.002" to 0.002"	0.066"	0.16"	1	00000000	0000
1/8"	-0.002" to 0.002"	1/8"	-0.002" to 0.002"	0.097"	0.097"	1	0000000	0000
1/8"	-0.002" to 0.002"	1/4"	-0.002" to 0.002"	0.097"	0.222"	1	00000000	0000
5/32"	-0.002" to 0.002"	5/32"	-0.002" to 0.002"	0.128"	0.128"	1	0000000	0000
5/32"	-0.002" to 0.002"	5/16"	-0.002" to 0.002"	0.128"	0.285"	1	00000000	0000
3/16"	-0.002" to 0.002"	3/16"	-0.002" to 0.002"	0.16"	0.16"	1	0000000	0000
3/16"	-0.002" to 0.002"	3/8"	-0.002" to 0.002"	0.16"	0.347"	1	00000000	0000
7/32"	-0.002" to 0.002"	7/32"	-0.002" to 0.002"	0.191"	0.191"	1	0000000	0000
1/4"	-0.002" to 0.002"	1/4"	-0.002" to 0.002"	0.222"	0.222"	1	0000000	0000

Ultra-Formable 260 Brass Hex Tubes

Yield Strength: Not Rated
Hardness: Not Rated
Temper: H02 (1/2 Hard) to H03 (3/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B135

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

Outside			1 ft. Lg.
Wd.	Wd. Tolerance	Inside Wd.		Each
0.014" Wall Thick. (-0.001" to 0.001" Tolerance)
3/32"	-0.004" to 0.004"	0.066"	00000000	00000
1/8"	-0.004" to 0.004"	0.097"	00000000	0000
5/32"	-0.004" to 0.004"	0.128"	00000000	0000
3/16"	-0.004" to 0.004"	0.16"	00000000	0000

High-Strength 330 Brass

Yield Strength: 60,000 psi
Hardness: Rockwell B75 (Medium)
Temper: H80 (Full Hard)
Heat Treatable: No
Specifications Met: ASTM B135

Offering the highest yield strength of all our brass, 330 has a low lead content for a good balance of machinability and formability. It's used for fire station poles, pump cylinder lines, and plumbing accessories.

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.

1/8" Wall Thick. (-0.008" to 0.008" Tolerance)
OD	OD Tolerance Range	ID		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
5/8"	-0.002" to 0.002"	3/8"	0000000	000000	000000	000000
3/4"	-0.0025" to 0.0025"	1/2"	0000000	00000	00000	000000
7/8"	-0.0025" to 0.0025"	5/8"	0000000	00000	00000	000000
1"	-0.003" to 0.003"	3/4"	0000000	00000	00000	000000
1 1/4"	-0.003" to 0.003"	1"	0000000	00000	000000	000000
1 3/8"	-0.003" to 0.003"	1 1/8"	0000000	00000	000000	000000
1 1/2"	-0.003" to 0.003"	1 1/4"	0000000	00000	000000	000000
2"	-0.003" to 0.003"	1 3/4"	0000000	00000	000000	000000
2 1/2"	-0.004" to 0.004"	2 1/4"	0000000	00000	000000	000000

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About Copper, Brass, and Bronze

Ultra-Formable 260 Brass Round Tubes

Ultra-Formable 260 Brass Rectangular Tubes

Ultra-Formable 260 Brass Hex Tubes

High-Strength 330 Brass

Ultra-Formable 260 Brass Round Tubes

Ultra-Formable 260 Brass Rectangular Tubes

Ultra-Formable 260 Brass Hex Tubes

High-Strength 330 Brass