7/8" Aluminum Plates | McMaster-Carr

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10,000 psi to 19,999 psi

30,000 psi to 39,999 psi

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55 Products

About Aluminum

Compare over 20 aluminum alloys to find the right material for you—all with material certificates for traceability.

Multipurpose 6061 Aluminum Sheets and Bars

The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.

Extruded sheets and bars are formed by a die for close-tolerance widths, then cut to the lengths listed.

Aluminum that meets ASTM B209 or ASTM B221 complies with standards for materials.

Aluminum that meets an SAE AMS standard conforms to the material and process needs of the aerospace industry.

If you don’t see the sheet or bar size you need, please specify dimensions under additional sheet sizes or additional bar lengths.

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

Sheets

Yield Strength: 35,000 psi
Hardness: Brinell 95 (Soft)
Temper: See table
Fabrication: See table
Specifications Met: See table

2" × 48"
Thick.	Thick. Tolerance	Fabrication	Temper	Heat Treatment	Temp. Range, °F	Specifications Met		Each
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	000000
4" × 48"
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	000000
6" × 6"
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	00000
6" × 12"
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	00000
6" × 48"
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	000000
8" × 8"
7/8"	-0.012" to 0.012"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	00000000	00000

Bars

Yield Strength: 35,000 psi
Hardness: Brinell 95 (Soft)
Temper: See table
Fabrication: See table
Specifications Met: See table

7/8" Thick.
Wd.	Thick. Tolerance	Fabrication	Temper	Heat Treatment	Temp. Range, °F	Specifications Met		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
7/8"	-0.010" to 0.010"	Extruded	T6511	Hardened	-320° to 300°	ASTM B221, SAE AMS QQ-A-200/8	0000000	00000	000000	000000	000000	000000
1"	-0.010" to 0.010"	Extruded	T6511	Hardened	-320° to 210°	ASTM B221, SAE AMS QQ-A-200/8	00000000	0000	00000	00000	00000	00000
1 1/2"	-0.010" to 0.010"	Extruded	T6511	Hardened	-320° to 210°	ASTM B221, SAE AMS QQ-A-200/8	00000000	00000	00000	00000	00000	00000
2"	-0.010" to 0.010"	Extruded	T6511	Hardened	-320° to 210°	ASTM B221, SAE AMS QQ-A-200/8	00000000	00000	00000	00000	00000	000000

Oversized Multipurpose 6061 Aluminum Sheets

Yield Strength: 35,000 psi
Hardness: Brinell 95 (Soft)
Temper: T651
Fabrication: Hot Rolled
Specifications Met: ASTM B209

The thickness is oversized to allow for finishing to exact requirements. The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.

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

Thick.	Thick. Tolerance	Heat Treatment	Temperature Range, °F		12” × 12”	24” × 24”
7/8"	0" to 0.037"	Hardened	-320° to 300°	00000000	0000000	0000000

Tight-Tolerance Multipurpose 6061 Aluminum Sheets and Bars

Yield Strength: 35,000 psi
Hardness: Brinell 95 (Soft)
Temper: See table
Fabrication: See table
Specifications Met: ASTM B209

These sheets and bars are precision ground either on all six sides or just on the top and bottom. The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.

Sheets and bars that are precision ground on all sides are consistently flat, square, and parallel on all six sides. They’re also known as blanks and are ready for use in your CNC machine.

Sheets and bars that are precision ground on top and bottom are also known as flat stock.

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

Precision Ground on All Sides
Thick.	Thick. Tolerance	Fabrication	Temper	Heat Treatment	Temperature Range, °F	Parallel Tolerance	Flatness Tolerance		Each
1/2" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
1" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
2" x 3"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	00000
2" x 4"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	00000
2" x 6"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
2" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	00000
3" x 3"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
3" x 6"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
4" x 4"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
4" x 6"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	00000
4" x 8"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
4" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
6" x 6"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
6" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
8" x 8"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
8" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
12" x 12"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
12" x 18"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
12" x 24"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
24" x 24"
7/8"	-0.002" to 0.002"	Cold Rolled	T651	Hardened	-320° to 300°	__	Not Rated	00000000	000000
Precision Ground on Top and Bottom
2" x 12"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
2" x 24"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
4" x 12"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
4" x 24"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
6" x 6"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
6" x 12"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
6" x 24"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
12" x 12"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
12" x 18"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000
12" x 24"
7/8"	-0.002" to 0.002"	Hot Rolled	T651	Hardened	-320° to 300°	0.004"	0.005"	00000000	000000

Architectural 6063 Aluminum Bars

Yield Strength: 16,000 psi
Hardness: Brinell 55 (Soft)
Temper: T5
Fabrication: Extruded
Specifications Met: ASTM B221

More corrosion resistant and easier to form than multipurpose 6061 aluminum, 6063 is primarily used for exterior railings, decorative trim, and door frames.

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

7/8" Thick. (-0.01" to 0.01" Tolerance)
Wd.	Heat Treatment	Temperature Range, °F	Flatness Tolerance		4 ft. Lg.	8 ft. Lg.
7/8"	Hardened	-320° to 212°	0.006" per in. of width	00000000	000000	000000
1"	Hardened	-320° to 212°	0.006" per in. of width	00000000	00000	000000
2"	Hardened	-320° to 212°	0.006" per in. of width	00000000	000000	000000

Easy-to-Machine MIC6 Cast Aluminum Sheets and Bars

Yield Strength: 15,000 psi
Hardness: Brinell 65 (Soft)
Temper: Not Rated
Fabrication: Cast

MIC6 is cast from a high-strength 7000-series aluminum, then stress relieved to maintain dimensional stability during high-speed machining. Use these sheets and bars for CNC routing tables, assembly jigs, vacuum chucks, and other applications where consistent flatness and tight tolerances are critical.

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

Sheets

6" × 6"
Thick.	Thick. Tolerance	Heat Treatment	Flatness Tolerance		Each
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	000000
6" × 12"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	00000
6" × 24"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	000000
8" × 8"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	00000
12" × 12"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	00000000	000000
12" × 24"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	000000
12" × 48"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	000000
18" × 18"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	000000000	000000
24" × 24"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	00000000	000000
24" × 72"
7/8"	-0.005" to 0.005"	Stress Relieved	0.005"	00000000	00000000

Easy-to-Machine Cast Aluminum for Tool and Jig Plates

Made of 5083 aluminum, these cast tool and jig plates are more corrosion resistant and respond better to anodizing than MIC6. This material is comparable to Alca 5 and ATP 5. Use for CNC routing tables, assembly jigs, vacuum chucks, and other applications where consistent flatness and tight tolerances are critical.

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

Sheets

Yield Strength: 18,000 psi
Hardness: Brinell 70 (Soft)
Temper: O
Fabrication: Cast

6" × 12"
Thick.	Thick. Tolerance	Heat Treatment	Temperature Range, °F	Flatness Tolerance		Each
7/8"	-0.005" to 0.005"	Annealed (Softened)	70° to 350°	0.005"	00000000	000000