ASTM B241 Aluminum | McMaster-Carr

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66 Products

About Aluminum

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

Multipurpose 6061 Aluminum Round Tubes

The most widely used aluminum, 6061 is made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, 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.

	OD	ID	Fabrication	Temper Designation	Specs. Met		1" Long	3" Long	1/2 ft. Long	1 ft. Long	2 ft. Long	3 ft. Long	4 ft. Long	6 ft. Long	8 ft. Long	12 ft. Long







				1/4" Thick Wall (-0.025" to 0.025" Tolerance)

				1 1/2"	1"	Extruded	T6511	ASTM B241	9056K27	—	—	000000	000000	000000	000000	000000	0000000	0000000	0000000


				2"	1 1/2"	Extruded	T6511	ASTM B241	9056K13	—	—	00000	00000	00000	00000	000000	000000	000000	000000
				2 1/4"	1 3/4"	Extruded	T6511	ASTM B241	9056K16	—	00000	00000	00000	00000	000000	000000	000000	000000	—
				2 1/2"	2"	Extruded	T6511	ASTM B241	9056K18	—	—	00000	00000	00000	000000	000000	000000	000000	—
				2 3/4"	2 1/4"	Extruded	T6511	ASTM B241	9056K31	—	00000	00000	00000	00000	000000	—	000000	—	—
				3"	2 1/2"	Extruded	T6511	ASTM B241	9056K21	—	—	00000	00000	000000	000000	000000	000000	000000	—
				3 1/2"	3"	Extruded	T6511	ASTM B241	9056K24	—	—	00000	00000	000000	000000	—	000000	—	—
				4"	3 1/2"	Extruded	T6511	ASTM B241	9056K51	—	—	00000	00000	000000	000000	—	000000	—	—
				4 1/2"	4"	Extruded	T6511	ASTM B241	9056K32	—	—	00000	00000	000000	000000	—	000000	—	—
				5"	4 1/2"	Extruded	T6511	ASTM B241	9056K55	—	—	00000	00000	000000	000000	—	000000	—	—
				6"	5 1/2"	Extruded	T6511	ASTM B241	9056K756	—	—	00000	00000	000000	000000	—	000000	—	—




						1/4" Thick Wall (-0.010" to 0.010" Tolerance)

						1 1/2"	1"	Extruded	T6511	ASTM B241	7392T12	00000	0000	—	—	—	—	—	—	—	—


						2"	1 1/2"	Extruded	T6511	ASTM B241	7392T13	0000	0000	—	—	—	—	—	—	—	—
						2 1/2"	2"	Extruded	T6511	ASTM B241	7392T14	0000	0000	—	—	—	—	—	—	—	—
						3"	2 1/2"	Extruded	T6511	ASTM B241	7392T15	0000	0000	—	—	—	—	—	—	—	—
						3 1/2"	3"	Extruded	T6511	ASTM B241	7392T16	0000	0000	—	—	—	—	—	—	—	—
						4"	3 1/2"	Extruded	T6511	ASTM B241	7392T17	0000	00000	—	—	—	—	—	—	—	—
						4 1/2"	4"	Extruded	T6511	ASTM B241	7392T18	0000	00000	—	—	—	—	—	—	—	—
						5"	4 1/2"	Extruded	T6511	ASTM B241	7392T19	0000	00000	—	—	—	—	—	—	—	—
						6"	5 1/2"	Extruded	T6511	ASTM B241	7392T21	0000	00000	—	—	—	—	—	—	—	—




								3/8" Thick Wall (-0.021" to 0.021" Tolerance)

								2"	1 1/4"	Extruded	T6511	ASTM B241	9056K14	—	00000	00000	00000	00000	000000	000000	000000	000000	—




										1/2" Thick Wall (-0.045" to 0.045" Tolerance)

										2"	1"	Extruded	T6511	ASTM B241	9056K15	—	—	00000	00000	000000	000000	000000	000000	000000	—


										2 1/4"	1 1/4"	Extruded	T6511	ASTM B241	9056K17	—	—	00000	00000	000000	000000	—	000000	—	—
										2 1/2"	1 1/2"	Extruded	T6511	ASTM B241	9056K19	—	—	00000	00000	000000	000000	—	000000	—	—
										2 3/4"	1 3/4"	Extruded	T6511	ASTM B241	9056K34	—	—	00000	00000	000000	000000	—	000000	—	—
										3"	2"	Extruded	T6511	ASTM B241	9056K23	—	—	00000	000000	000000	000000	—	000000	—	—
										3 1/2"	2 1/2"	Extruded	T6511	ASTM B241	9056K26	—	—	00000	000000	000000	000000	—	000000	—	—
										4"	3"	Extruded	T6511	ASTM B241	9056K53	—	—	00000	000000	000000	000000	—	000000	—	—
										4 1/2"	3 1/2"	Extruded	T6511	ASTM B241	9056K35	—	—	00000	000000	000000	000000	—	000000	—	—
										5"	4"	Extruded	T6511	ASTM B241	9056K57	—	—	00000	000000	000000	000000	—	000000	—	—
										6"	5"	Extruded	T6511	ASTM B241	9056K43	—	—	00000	000000	000000	000000	—	000000	—	—




										1/2" Thick Wall (-0.010" to 0.010" Tolerance)

		2"	1"							Extruded	T6511	ASTM B241	7392T22	0000	0000	—	—	—	—	—	—	—	—


		2 1/2"	1 1/2"							Extruded	T6511	ASTM B241	7392T23	0000	00000	—	—	—	—	—	—	—	—
		3"	2"							Extruded	T6511	ASTM B241	7392T24	0000	00000	—	—	—	—	—	—	—	—
		3 1/2"	2 1/2"							Extruded	T6511	ASTM B241	7392T25	0000	00000	—	—	—	—	—	—	—	—
		4"	3"							Extruded	T6511	ASTM B241	7392T26	0000	00000	—	—	—	—	—	—	—	—
		4 1/2"	3 1/2"							Extruded	T6511	ASTM B241	7392T27	0000	00000	—	—	—	—	—	—	—	—
		5"	4"							Extruded	T6511	ASTM B241	7392T28	0000	00000	—	—	—	—	—	—	—	—
		5 1/2"	4 1/2"							Extruded	T6511	ASTM B241	7392T29	0000	00000	—	—	—	—	—	—	—	—
		6"	5"							Extruded	T6511	ASTM B241	7392T31	00000	00000	—	—	—	—	—	—	—	—




										3/4" Thick Wall (-0.055" to 0.055" Tolerance)

										3 1/4"	1 3/4"	Extruded	T6511	ASTM B241	9056K45	—	—	00000	000000	000000	000000	—	000000	—	—


				4"	2 1/2"					Extruded	T6511	ASTM B241	9056K48	—	00000	00000	000000	000000	000000	—	000000	—	—
				4 1/2"	3"					Extruded	T6511	ASTM B241	9056K49	—	—	000000	000000	000000	000000	—	000000	—	—
				5"	3 1/2"					Extruded	T6511	ASTM B241	9056K86	—	00000	000000	000000	000000	000000	—	000000	—	—
				6"	4 1/2"					Extruded	T6511	ASTM B241	9056K52	—	00000	000000	000000	000000	000000	—	000000	—	—




										1" Thick Wall (-0.065" to 0.065" Tolerance)

										3"	1"	Extruded	T6511	ASTM B241	9056K981	00000	00000	00000	000000	—	—	—	—	—	—


										4"	2"	Extruded	T6511	ASTM B241	9056K54	—	—	00000	000000	000000	000000	—	000000	—	—
										4"	2"	Extruded	T6511	ASTM B241	7392T39	0000	00000	—	—	—	—	—	—	—	—
						4 1/2"				2 1/2"	Extruded	T6511	ASTM B241	9056K56	—	—	00000	000000	000000	000000	—	000000	—	—
						4 1/2"	2 1/2"			Extruded	T6511	ASTM B241	7392T41	0000	00000	—	—	—	—	—	—	—	—
						5"	3"			Extruded	T6	ASTM B241	9056K58	—	—	00000	000000	000000	000000	—	000000	—	—
						5"	3"			Extruded	T6511	ASTM B241	7392T42	00000	00000	—	—	—	—	—	—	—	—
						5 1/2"	3 1/2"			Extruded	T6511	ASTM B241	9056K59	—	—	00000	000000	000000	000000	—	000000	—	—
						6"	4"			Extruded	T6511	ASTM B241	9056K87	—	—	000000	000000	000000	000000	—	00000000	—	—
						6"	4"			Extruded	T6511	ASTM B241	7392T44	00000	00000	—	—	—	—	—	—	—	—
						6 1/2"	4 1/2"	Extruded		T6	ASTM B241	9056K88	—	—	000000	000000	000000	000000	—	00000000	—	—


						7"	5"	Extruded	T6511	ASTM B241	9056K287	—	—	000000	—	—	—	—	—	—	—
						7"	5"	Extruded	T6511	ASTM B241	7392T46	00000	00000	—	—	—	—	—	—	—	—
						8"	6"	Extruded	T6511	ASTM B241	9056K288	—	—	000000	—	—	—	—	—	—	—
						8"	6"	Extruded	T6511	ASTM B241	7392T48	00000	00000	—	—	—	—	—	—	—	—




								2" Thick Wall (-0.075" to 0.075" Tolerance)

								8"	4"	Extruded	T6	ASTM B241	9056K746	—	—	000000	—	—	—	—	—	—	—


								8"	4"	Extruded	T6	ASTM B241	7392T49	00000	00000	—	—	—	—	—	—	—	—
								10"	6"	Extruded	T6	ASTM B241	9056K747	—	—	000000	—	—	—	—	—	—	—
10"								6"	Extruded	T6	ASTM B241	7392T51	00000	000000	—	—	—	—	—	—	—	—
12"	8"							Extruded	T6	ASTM B241	9056K748	—	—	000000	—	—	—	—	—	—	—
12"	8"							Extruded	T6511	ASTM B241	7392T53	000000	000000	—	—	—	—	—	—	—	—