2011 Aluminum | McMaster-Carr

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	Shape Shape


Sheet and Bar	Rod and Disc

Hex Bar

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

	Diameter Diameter

	Material Material	Show

Aluminum

2011 Aluminum

	Material Material	Hide

	Appearance Appearance

Plain

Glossy

	Aluminum Performance Properties Aluminum Performance Properties

Easy to Machine

	Tolerance Rating Tolerance Rating

Standard

Tight

Undersized

	Temper Temper

	Hardness Rating Hardness Rating

Brinell 95

Brinell 115

Soft

	Fabrication Fabrication

Cold Drawn

Cold Worked

	Specifications Met Specifications Met

ASTM

SAE AMS-QQ-A-225/3

	Minimum Temperature Minimum Temperature

-399° to -320° F

Not Rated

	Maximum Temperature Maximum Temperature

200° to 249° F

300° to 399° F

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Yield Strength Yield Strength

30,000 to 39,999 psi

	Heat Treatment Heat Treatment

Hardened

	Heat Treatable Heat Treatable

Yes

	Elongation Elongation

12.5%

18%

	Length Length

	Mechanical Finish Mechanical Finish

Precision Ground

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46 Products

About Aluminum

Yield Strength: 38,000 psi
Hardness: Brinell 115 (Soft)
Temper: T3
Fabrication: Cold Drawn
Specifications Met: ASTM B211

2011 has the best machinability of all the aluminum alloys. It is the most selected aluminum for screws, tube fittings, hose parts, and other items that require extensive machining.

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.

Dia.	Dia. Tolerance	Heat Treatment	Max. Temperature, °F		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/4"	-0.002" to 0.002"	Hardened	212°	00000000	00000	00000	00000	00000	00000
3/8"	-0.002" to 0.002"	Hardened	212°	00000000	0000	0000	0000	00000	00000
1/2"	-0.002" to 0.002"	Hardened	212°	00000000	0000	0000	00000	00000	00000
5/8"	-0.002" to 0.002"	Hardened	212°	00000000	0000	0000	00000	00000	00000
3/4"	-0.002" to 0.002"	Hardened	212°	00000000	0000	0000	00000	00000	00000
7/8"	-0.002" to 0.002"	Hardened	212°	00000000	0000	00000	00000	00000	00000
1"	-0.002" to 0.002"	Hardened	212°	00000000	0000	00000	00000	00000	00000
1 1/8"	-0.003" to 0.003"	Hardened	212°	00000000	0000	00000	00000	00000	00000
1 1/4"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000	00000	00000
1 3/8"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000	00000	00000
1 1/2"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000	00000	000000
1 5/8"	-0.004" to 0.004"	Hardened	212°	00000000	00000	00000	00000	00000	000000
1 3/4"	-0.004" to 0.004"	Hardened	212°	00000000	00000	00000	00000	00000	000000
1 7/8"	-0.004" to 0.004"	Hardened	212°	00000000	00000	00000	00000	00000	000000
2"	-0.004" to 0.004"	Hardened	212°	00000000	00000	00000	00000	000000	000000
2 1/4"	-0.006" to 0.006"	Hardened	212°	00000000	00000	00000	000000	000000	000000
2 1/2"	-0.006" to 0.006"	Hardened	212°	00000000	00000	00000	000000	000000	000000
2 3/4"	-0.006" to 0.006"	Hardened	212°	00000000	00000	00000	000000	000000	000000
3"	-0.006" to 0.006"	Hardened	212°	00000000	00000	00000	000000	000000	000000

Tight-Tolerance Easy-to-Machine 2011 Aluminum Rods

Yield Strength: 38,000 psi
Hardness: Brinell 95 (Soft)
Temper: T3
Fabrication: Cold Worked
Specifications Met: ASTM B211

Precision ground and held to a strict straightness tolerance, these rods are ready for turning in a lathe. 2011 has the best machinability of all the aluminum alloys. It is the most selected aluminum for screws, tube fittings, hose parts, and other items that require extensive machining.

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

Dia.	Dia. Tolerance	Heat Treatment	Max. Temperature, °F	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/8"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	000000	000000
1/4"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	0000	00000	00000
3/8"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	00000	00000
1/2"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	00000	00000
5/8"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	00000	00000
3/4"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	00000	00000
1"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	00000	000000
1 1/2"	-0.0005" to 0"	Hardened	212°	0.005" per ft.	0000000	00000	000000	000000

Easy-to-Machine 2011 Aluminum Bars

Yield Strength: 38,000 psi
Hardness: Brinell 115 (Soft)
Temper: T3
Fabrication: Cold Drawn
Specifications Met: ASTM B211, SAE AMS-QQ-A-225/3

2011 has the best machinability of all the aluminum alloys. It is the most selected aluminum for screws, tube fittings, hose parts, and other items that require extensive machining.

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

Thick.	Thick. Tolerance	Wd.	Heat Treatment	Temperature Range, °F	Straightness Tolerance		3 ft. Lg.	6 ft. Lg.
1/4"	-0.002" to 0.002"	1/4"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	000000
3/8"	-0.002" to 0.002"	3/8"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	00000
1/2"	-0.002" to 0.002"	1/2"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	00000
5/8"	-0.003" to 0.003"	5/8"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	00000
3/4"	-0.003" to 0.003"	3/4"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	00000
1"	-0.003" to 0.003"	1"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	00000
1 1/4"	-0.003" to 0.003"	1 1/4"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	000000
1 1/2"	-0.003" to 0.003"	1 1/2"	Hardened	-320° to 300°	0.025" per ft.	000000	00000	000000

Easy-to-Machine 2011 Aluminum Hex Bars

Yield Strength: 38,000 psi
Hardness: Brinell 115 (Soft)
Temper: T3
Fabrication: Cold Drawn
Specifications Met: ASTM B211

2011 has the best machinability of all the aluminum alloys. It is the most selected aluminum for screws, tube fittings, hose parts, and other items that require extensive machining.

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.

Wd.	Wd. Tolerance	Heat Treatment	Max. Temperature, °F		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/4"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	000000
5/16"	-0.003" to 0.003"	Hardened	212°	00000000	0000	0000	00000
3/8"	-0.003" to 0.003"	Hardened	212°	00000000	0000	00000	00000
1/2"	-0.003" to 0.003"	Hardened	212°	00000000	0000	00000	00000
9/16"	-0.003" to 0.003"	Hardened	212°	00000000	0000	00000	00000
5/8"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000
3/4"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000
7/8"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000
1"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	00000
1 1/8"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	000000
1 1/4"	-0.003" to 0.003"	Hardened	212°	00000000	00000	00000	000000

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