Foil Squares | McMaster-Carr

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20,000 psi to 99,999 psi

100,000 psi to 199,999 psi

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113 Products

Aluminum Foil

Shield, insulate, and make quick repairs—aluminum foil is a jack-of-all-trades. Wrap it around pipe to hold in heat and keep out moisture, or around wire to block electromagnetic interference. To patch damaged insulation, tape it over tears and holes. You can also use it to cover surfaces while painting and processing.

Green PTFE-Coated Foil—The plastic coating makes this foil slippery, so it's often made into release liners.

Annealed—This foil is softened until it's as flexible as possible, often called "dead soft." It conforms to complex shapes and contours, making it a good choice for sealing joints and wrapping HVAC ducts.

	Lg., ft.	Material	Fabrication	Temper Designation		Each
Annealed







	Green PTFE-Coated Foil

	0.005"	-0.001" to 0.001"	12 1/2"	25	3003 Aluminum	Cold Rolled	O	8656K61	0000000

Brass Foil

Chosen for its warm, polished look, brass foil is often made into decorative trim and architectural accents. Alloyed with zinc, it's stronger than copper foil yet still conductive and corrosion resistant outdoors. It’s made of 260 brass, the easiest alloy to draw, press, and stamp that we offer.

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

	Thk. Tolerance	Wd.	Lg.	Temper Designation	Specs. Met		Each
260 Brass



	0.01"	-0.002" to 0.002"	6"	6"	H02	ASTM B36	8956K155	00000


	0.01"	-0.002" to 0.002"	6"	36"	H02	ASTM B36	8956K154	00000
	0.01"	-0.002" to 0.002"	12"	12"	H02	ASTM B36	8956K15	00000
	0.01"	-0.002" to 0.002"	12"	24"	H02	ASTM B36	8956K17	00000
	0.01"	-0.002" to 0.002"	12"	96"	H02	ASTM B36	8956K41	00000
	0.01"	-0.002" to 0.002"	24"	24"	H02	ASTM B36	8956K22	00000
	0.01"	-0.002" to 0.002"	24"	48"	H02	ASTM B36	8956K24	00000
	0.01"	-0.002" to 0.002"	24"	96"	H02	ASTM B36	8956K43	000000
	0.012"	-0.002" to 0.002"	6"	6"	H02	ASTM B36	8956K165	0000
	0.012"	-0.002" to 0.002"	6"	36"	H02	ASTM B36	8956K164	00000
	0.012"	-0.002" to 0.002"	12"	12"	H02	ASTM B36	8956K31	00000


	0.012"	-0.002" to 0.002"	12"	24"	H02	ASTM B36	8956K51	00000
	0.012"	-0.002" to 0.002"	12"	96"	H02	ASTM B36	8956K11	00000
	0.012"	-0.002" to 0.002"	24"	24"	H02	ASTM B36	8956K71	00000
	0.012"	-0.002" to 0.002"	24"	48"	H02	ASTM B36	8956K91	00000
	0.012"	-0.002" to 0.002"	24"	96"	H02	ASTM B36	8956K45	000000
	0.016"	-0.003" to 0.003"	6"	6"	H02	ASTM B36	8956K175	0000
	0.016"	-0.003" to 0.003"	6"	36"	H02	ASTM B36	8956K174	00000
	0.016"	-0.003" to 0.003"	12"	12"	H02	ASTM B36	8956K32	00000
	0.016"	-0.003" to 0.003"	12"	24"	H02	ASTM B36	8956K52	00000
	0.016"	-0.003" to 0.003"	12"	96"	H02	ASTM B36	8956K12	000000


	0.016"	-0.003" to 0.003"	24"	24"	H02	ASTM B36	8956K72	00000
	0.016"	-0.003" to 0.003"	24"	48"	H02	ASTM B36	8956K92	000000
	0.016"	-0.003" to 0.003"	24"	96"	H02	ASTM B36	8956K46	000000

Zinc Foil and Sheets

Considered commercially pure, this material is 99% zinc.

Foil

Use foil as an alternative to lead for sound barriers and vibration dampers, as well as for EMI-RFI shields and architectural sheeting.

			12" Wide × 12" Long
Thk.	Thk. Tolerance	Performance		Each
0.008"	-0.003" to 0.003"	Nonsparking	1007T161	000000
0.02"	-0.003" to 0.003"	Nonsparking	1007T811	00000
0.027"	-0.003" to 0.003"	Nonsparking	1007T911	00000
0.03"	-0.003" to 0.003"	Nonsparking	1007T111	00000

Formable 17-7 PH Stainless Steel Sheets

As the most formable of all the PH-grade materials, 17-7 PH stainless steel is widely used in the aerospace industry for intricate parts. When hardened, this material strengthens to make it resist distortion. It maintains its corrosion resistance in temperatures up to 600° F.

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

Hardness	Max. Hardness After Heat Treatment	Specs. Met		Each







0.016" Thick (-0.003" to 0.003" Tolerance)

6"	6"	Cold Worked	Rockwell B85 (Medium)	Rockwell C38	ASTM A693, SAE AMS5528	3162N111	000000


12"	12"	Cold Worked	Rockwell B85 (Medium)	Rockwell C38	ASTM A693, SAE AMS5528	3162N112	00000
24"	24"	Cold Worked	Rockwell B85 (Medium)	Rockwell C38	ASTM A693, SAE AMS5528	3162N113	000000

Copper Foil

Conductive and corrosion resistant, copper foil is a versatile choice for electrical and construction jobs. Solder it onto damaged circuit boards to patch them, or wrap it around cables to block signal interference. On buildings, you'll see it used for weatherproofing and even decorating.

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

	Thk. Tolerance	Wd.	Lg.	Temper Designation	Specs. Met		Each
110 Copper



	0.016"	-0.003" to 0.003"	6"	6"	H00/H01	ASTM B152, ASTM B370	8963K104	000000


	0.016"	-0.003" to 0.003"	6"	24"	H00/H01	ASTM B152, ASTM B370	8963K105	00000
	0.016"	-0.003" to 0.003"	12"	12"	H00/H01	ASTM B152, ASTM B370	8963K31	00000
	0.016"	-0.003" to 0.003"	12"	24"	H00/H01	ASTM B152, ASTM B370	8963K51	00000
	0.016"	-0.003" to 0.003"	12"	48"	H00/H01	ASTM B152, ASTM B370	8963K221	00000
	0.016"	-0.003" to 0.003"	24"	24"	H00/H01	ASTM B152, ASTM B370	8963K106	000000
	0.016"	-0.003" to 0.003"	36"	48"	H00/H01	ASTM B152, ASTM B370	8963K71	000000
	0.016"	-0.003" to 0.003"	36"	96"	H00/H01	ASTM B152, ASTM B370	8963K21	000000

Extra-High-Strength Ultra-Formable 510 Bronze Sheets

The best bronze alloy for parts that won't wear out from repeated motion, such as springs, bellows, and switches. The addition of phosphor makes 510 very strong, while copper keeps it formable. Also known as phosphor bronze.

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

	Lg., ft.	Temper Designation	Specs. Met		Each
0.005" Thick (-0.001" to 0.001" Tolerance)



	6"	1	H08	ASTM B103	9052K421	000000


	6"	4	H08	ASTM B103	9052K423	00000
	6"	8	H08	ASTM B103	9052K11	000000


	0.008" Thick (-0.001" to 0.001" Tolerance)



			6"	1	H08	ASTM B103	9052K431	00000


			6"	4	H08	ASTM B103	9052K433	00000
			6"	8	H08	ASTM B103	9052K12	000000


			0.01" Thick (-0.002" to 0.002" Tolerance)



					6"	1	H08	ASTM B103	9052K441	00000


					6"	4	H08	ASTM B103	9052K443	00000
					6"	8	H08	ASTM B103	9052K22	000000


					0.013" Thick (-0.002" to 0.002" Tolerance)



							6"	1	H08	ASTM B103	9052K461	00000


							6"	4	H08	ASTM B103	9052K463	000000
							6"	8	H08	ASTM B103	9052K13	000000


							0.016" Thick (-0.003" to 0.003" Tolerance)



									6"	1	H08	ASTM B103	9052K481	000000


									6"	4	H08	ASTM B103	9052K483	000000
									6"	8	H08	ASTM B103	9052K14	000000

Magnetic 430 Stainless Steel Sheets

Create magnetic parts, such as appliance panels, for decorative and light structural applications. 430 stainless steel stays corrosion resistant in temperatures as hot as 1250° F.

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

Lg.	Fabrication	Hardness	Specs. Met		Each







		0.006" Thick (-0.0003" to 0.0003" Tolerance)

		6"	5 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T59	000000


		6"	10 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T47	00000




				0.007" Thick (-0.0004" to 0.0004" Tolerance)

				6"	5 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T61	00000


				6"	10 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T48	00000




						0.008" Thick (-0.0004" to 0.0004" Tolerance)

						6"	5 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T62	00000


						6"	10 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T49	00000




								0.01" Thick (-0.0005" to 0.0005" Tolerance)

								6"	5 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T63	00000


								6"	10 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T51	00000




										0.012" Thick (-0.002" to 0.002" Tolerance)

										6"	12"	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K11	00000


										12"	12"	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K72	00000
										12"	24"	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K75	00000




												0.012" Thick (-0.0006" to 0.0006" Tolerance)

												6"	5 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T64	00000


												6"	10 ft.	Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T52	00000




												0.015" Thick (-0.0009" to 0.0009" Tolerance)

6"	5 ft.											Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T65	00000


6"	10 ft.											Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T53	000000




												0.018" Thick (-0.002" to 0.002" Tolerance)

		6"	12"									Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K12	00000


		12"	12"									Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K73	00000
		12"	24"									Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	8457K76	00000




				0.02" Thick (-0.001" to 0.001" Tolerance)

				6"	5 ft.							Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T66	00000


				6"	10 ft.							Cold Rolled	Rockwell B88 (Medium)	ASTM A240, SAE AMS5503	3803T54	000000

Fatigue-Resistant 301 Stainless Steel Sheets

Able to withstand repeated stress and wear, 301 stainless steel has the strength required for applications such as springs and fasteners. It maintains its corrosion resistance in temperatures up to 1550° F.

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

	Lg.	Fabrication	Hardness	Specs. Met		Each
1/4 Hard Temper







			0.015" Thick (-0.0015" to 0.0015" Tolerance)

			6"	6"	Cold Worked	Rockwell C25 (Hard)	ASTM A666, SAE AMS5517	1217T181	000000


			12"	12"	Cold Worked	Rockwell C25 (Hard)	ASTM A666, SAE AMS5517	1217T11	00000
			12"	36"	Cold Worked	Rockwell C25 (Hard)	ASTM A666, SAE AMS5517	1217T21	00000


			1/2 Hard Temper







							0.015" Thick (-0.0015" to 0.0015" Tolerance)

							6"	6"	Cold Worked	Rockwell C30 (Hard)	ASTM A666, SAE AMS5518	1217T491	00000


							12"	12"	Cold Worked	Rockwell C30 (Hard)	ASTM A666, SAE AMS5518	1217T31	00000
							12"	36"	Cold Worked	Rockwell C30 (Hard)	ASTM A666, SAE AMS5518	1217T41	00000


							Full-Hard Temper







											0.015" Thick (-0.0015" to 0.0015" Tolerance)

											6"	6"	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	1217T731	00000


											12"	12"	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	1217T51	00000
											12"	36"	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	1217T61	00000


											Spring Temper







															0.002" Thick (-0.0002" to 0.0002" Tolerance)

															12"	1 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K102	00000


															12"	10 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K105	000000




															0.003" Thick (-0.0003" to 0.0003" Tolerance)

	12"	1 ft.													Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K104	00000


	12"	10 ft.													Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K107	000000




															0.004" Thick (-0.0003" to 0.0003" Tolerance)

															12"	1 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K106	00000


			12"	10 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K109	000000




					0.005" Thick (-0.0003" to 0.0003" Tolerance)

					12"	1 ft.									Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K108	00000


					12"	10 ft.									Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K116	000000




															0.006" Thick (-0.0004" to 0.0004" Tolerance)

							12"	1 ft.							Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K111	00000


							12"	10 ft.							Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K822	000000




									0.008" Thick (-0.0004" to 0.0004" Tolerance)

									6"	1 ft.					Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K112	00000


									6"	10 ft.					Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K841	000000
									8"	1 ft.					Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K113	00000
									8"	10 ft.					Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K842	000000
									12"	1 ft.					Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K114	00000
									12"	10 ft.	Cold Worked	Rockwell C40 (Hard)			ASTM A666	90415K117	000000




											0.01" Thick (-0.0007" to 0.0007" Tolerance)

											6"	1 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K115	00000


											12"	1 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K116	00000




											0.012" Thick (-0.001" to 0.001" Tolerance)

											12"	1 ft.	Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K119	00000




													0.015" Thick (-0.001" to 0.001" Tolerance)

	6"	1 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K121	00000


	6"	20 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K628	000000
	8"	1 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K122	00000
	8"	10 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K629	000000
	10"	1 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K123	00000
	10"	10 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666	90415K631	000000
	12"	1 ft.											Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K124	00000
	12"	10 ft.	Cold Worked										Rockwell C40 (Hard)	ASTM A666	90415K632	000000




			0.02" Thick (-0.001" to 0.001" Tolerance)

			6"	5 ft.									Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K84	00000


			12"	1 ft.									Cold Worked	Rockwell C40 (Hard)	ASTM A666, SAE AMS5519	2416K125	00000