7050 Aluminum Plates | McMaster-Carr

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13 Products

About Aluminum

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

Fatigue-Resistant 7050 Aluminum

Yield Strength: 68,000 psi
Hardness: Not Rated
Temper: T7451
Fabrication: Cold Rolled
Specifications Met: ASTM B594, SAE AMS4050

Substitute 7050 aluminum for 7075 in structural applications when high stress-corrosion resistance is required. It is the same material that's used for bulkheads and fuselage frames. These sheets are ultrasonically inspected (USI) for defects below the surface as per ASTM B594.

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		6” × 6”	12" × 12"
1/2"	-0.028" to 0.028"	Hardened	0000000	000000	0000000
3/4"	-0.037" to 0.037"	Hardened	0000000	00000	000000
1"	-0.039" to 0.039"	Hardened	0000000	000000	000000
1 1/4"	-0.039" to 0.039"	Hardened	0000000	000000	000000
1 1/2"	-0.039" to 0.039"	Hardened	0000000	000000	000000
1 3/4"	-0.055" to 0.055"	Hardened	0000000	000000	000000
2"	-0.055" to 0.055"	Hardened	0000000	000000	000000
2 1/4"	-0.055" to 0.055"	Hardened	0000000	000000	000000
2 1/2"	-0.075" to 0.075"	Hardened	0000000	000000	000000
2 3/4"	-0.075" to 0.075"	Hardened	0000000	000000	000000
3"	-0.075" to 0.075"	Hardened	0000000	000000	000000

Grid Fixture Plates

Use these plates as a foundation for your fixturing setups. Precision ground to tight tolerances, they have holes in a grid pattern for accurate, repeatable positioning.

Fixture plates are thinner and lighter in weight than subplates, so they're often used to build setups that are swapped in and out of machines. Aluminum plates are lighter in weight than steel plates. All of their holes are threaded—they’re lined with hardened steel inserts to make them more durable, rigid, and wear-resistant. Add chip plugs to keep chips and shavings from clogging or damaging unused holes.

Rectangular Fixture Plates

Fixture Plates
			Threaded Holes			Mounting Holes								Black-Oxide Steel Chip Plugs for Threaded Holes
Lg.	Wd.	Thick.	No. of	Thread Size	Ctr.-to-Ctr.	No. of	Style	Ctr.-to-Ctr.	For Mounting Screw Size	Wt., lbs.	Parallel Tolerance		Each		Each
7050 Aluminum
30"	15"	3/4"	120	1/2"-13	2"	5	Counterbored	12 1/2"	1/2"	34	0.005"	0000000	000000000	0000000	00000