ASTM B221M-12a

Name: ASTM B221M-12a
Brand: ASTM
SKU: astm-b221m-12a

system ASTM 2013-06-03 12 PDF 461 0 2026-07-03 18:43

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Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

description

Scope

1.1 This specification covers aluminum and aluminum-alloy extruded bars, rods, wires, profiles, and tubes in the aluminum alloys (Note 1) and tempers shown in Table 2.

TABLE 1 Chemical Composition Limits ^A^,^B^,^C

Note 1—In case of a discrepancy between the values listed in Table 1 and those listed in the “International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys”(known as the “Teal Sheets”), the composition limits registered with the Aluminum Association and published in the “Teal Sheets” should be considered the controlling composition. The “Teal Sheets” are available at http://www.aluminum.org/tealsheets.

Alloy	Silicon	Iron	Copper	Manga- nese	Magne- sium	Chromium	Zinc	Titanium	Vanadium	Other Elements^D		Aluminum
Alloy	Silicon	Iron	Copper	Manga- nese	Magne- sium	Chromium	Zinc	Titanium	Vanadium	Each	Total^E	Aluminum
1060	0.25	0.35	0.05	0.03	0.03	...	0.05	0.03	0.05	0.03	...	99.60 min^F
1100	0.95 Si + Fe		0.05–0.20	0.05	...	...	0.10	...	...	0.05^G	0.15	99.00 min^F
2014	0.50–1.2	0.7	3.9–5.0	0.40–1.2	0.20–0.8	0.10	0.25	0.15^H	...	0.05^H	0.15	remainder
2024	0.50	0.50	3.8–4.9	0.30–0.9	1.2–1.8	0.10	0.25	0.15^H	...	0.05^H	0.15	remainder
2219	0.20	0.30	5.8–6.8	0.20–0.40	0.02	...	0.10	0.02–0.10	0.05–0.15	0.05^I	0.15^I	remainder
3003	0.6	0.7	0.05–0.20	1.0–1.5	...	...	0.10	...	...	0.05	0.15	remainder
Alclad 3003	...	3003 Clad with 7072 alloy			...	...	...	...	...	...	...	...
3004	0.30	0.7	0.25	1.0–1.5	0.8–1.3	...	0.25	...	...	0.05	0.15	remainder
3102	0.40	0.7	0.10	0.05–0.40	...	...	0.30	0.10	...	0.05	0.15	remainder
5052	0.25	0.40	0.10	0.10	2.2–2.8	0.15–0.35	0.10	...	...	0.05	0.15	remainder
5083	0.40	0.40	0.10	0.40–1.0	4.0–4.9	0.05–0.25	0.25	0.15	...	0.05	0.15	remainder
5086	0.40	0.50	0.10	0.20–0.7	3.5–4.5	0.05–0.25	0.25	0.15	...	0.05	0.15	remainder
5154	0.25	0.40	0.10	0.10	3.1–3.9	0.15–0.35	0.20	0.20	...	0.05	0.15	remainder
5454	0.25	0.40	0.10	0.50–1.0	2.4–3.0	0.05–0.20	0.25	0.20	...	0.05	0.15	remainder
5456	0.25	0.40	0.10	0.50–1.0	4.7–5.5	0.05–0.20	0.25	0.20	...	0.05	0.15	remainder
6005	0.6–0.9	0.35	0.10	0.10	0.40–0.6	0.10	0.10	0.10	...	0.05	0.15	remainder
6005A	0.50–0.9	0.35	0.30	0.50^J	0.40–0.7	0.30^J	0.20	0.10	...	0.05	0.15	remainder
6013	0.6-1.0	0.50	0.6-1.1	0.20-0.8	0.8-1.2	0.10	0.25	0.10	…	0.05	0.15	remainder
6020^K	0.40–0.9	0.50	0.30–0.9	0.35	0.6–1.2	0.15	0.20	0.15	...	0.05	0.15	remainder
6041^L	0.50–0.9	0.15–0.7	0.15–0.6	0.05–0.20	0.8–1.2	0.05–0.15	0.25	0.15	...	0.05	0.15	remainder
6042^M	0.50–1.2	0.7	0.20–0.6	0.40	0.7–1.2	0.04–0.35	0.25	0.15	...	0.05	0.15	remainder
6060	0.30–0.6	0.10–0.30	0.10	0.10	0.35–0.6	0.5	0.15	0.10	...	0.05	0.15	remainder
6061^N	0.40–0.8	0.7	0.15–0.40	0.15	0.8–1.2	0.04–0.35	0.25	0.15	...	0.05	0.15	remainder
6063	0.20–0.6	0.35	0.10	0.10	0.45–0.9	0.10	0.10	0.10	...	0.05	0.15	remainder
6064^O	0.40–0.8	0.7	0.15–0.40	0.15	0.8–1.2	0.05–0.14	0.25	0.15	...	0.05	0.15	remainder
6066	0.9–1.8	0.50	0.7–1.2	0.6–1.1	0.8–1.4	0.40	0.25	0.20	...	0.05	0.15	remainder
6070	1.0–1.7	0.50	0.15–0.40	0.40–1.0	0.50–1.2	0.10	0.25	0.15	...	0.05	0.15	remainder
6082	0.7–1.3	0.50	0.10	0.40–1.0	0.6–1.2	0.25	0.20	0.10	...	0.05	0.15	remainder
6105	0.6–1.0	0.35	0.10	0.15	0.45–0.8	0.10	0.10	0.10	...	0.05	0.15	remainder
6162	0.40–0.8	0.50	0.20	0.10	0.7–1.1	0.10	0.25	0.10	...	0.05	0.15	remainder
6262	0.40–0.8	0.7	0.15–0.40	0.15	0.8–1.2	0.04–0.14	0.25	0.15	...	0.05^P	0.15^P	remainder
6351	0.7–1.3	0.50	0.10	0.40–0.8	0.40–0.8	...	0.20	0.20	...	0.05	0.15	remainder
6360	0.35–0.8	0.10–0.30	0.15	0.02–0.15	0.25–0.45	0.05	0.10	0.10	...	0.05	0.15	remainder
6463	0.20–0.6	0.15	0.20	0.05	0.45–0.9	...	0.05	...	...	0.05	0.15	remainder
6560	0.30–0.7	0.10–0.30	0.05–0.20	0.20	0.20–0.6	0.05	0.15	0.10	...	0.05	0.15	remainder
7005	0.35	0.40	0.10	0.20–0.7	1.0–1.8	0.06–0.20	4.0–5.0	0.01–0.06	...	0.05^Q	0.15^Q	remainder
7072^R	0.7 Si + Fe		0.10	0.10	0.10	...	0.8–1.3	...	...			remainder
7075	0.40	0.50	1.2–2.0	0.30	2.1–2.9	0.18–0.28	5.1–6.1	0.20^S	...	0.05^S	0.15	remainder
7116	0.15	0.30	0.50–1.1	0.05	0.8–1.4	...	4.2–5.2	0.05	0.05	0.05^T	0.15	remainder
7129	0.15	0.30	0.50–0.9	0.10	1.3–2.0	0.10	4.2–5.2	0.05	0.05	0.05^T	0.15	remainder
7178	0.40	0.50	1.6–2.4	0.30	2.4–3.1	0.18–0.28	6.3–7.3	0.20	...	0.05	0.15	remainder

^A Limits are in weight percent maximum unless shown as a range, or stated otherwise.

^B Analysis shall be made for the elements for which limits are shown in this table.

^C For the purpose of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of the figures used in expressing the specified limit, in accordance with the rounding-off method of Practice E29.

^D Others includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may analyze samples for trace elements not specified in the specification. However, such analysis is not required and may not cover all metallic Others elements. Should any analysis by the producer or the purchaser establish that an Others element exceeds the limit of Each or that the aggregate of several Others elements exceeds the limit of Total, the material shall be considered nonconforming.

^E Other Elements—Total shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.

^F The aluminum content shall be calculated by subtracting from 100.00 % the sum of all metallic elements present in amounts of 0.010 % or more each, rounded to the second decimal before determining the sum.

^G Be 0.0003 max for welding electrode, welding rod, and filler wire.

^H Upon agreement between the purchaser and the producer or supplier, a Zr + Ti limit of 0.20 % max is permitted. Properties in Specification (Table 2) are not based on the Zirconium and Titanium algorithm.

^I Zirconium, 0.10–0.25 %. The total for other elements does not include zirconium.

^J Manganese plus chromium shall total 0.12–0.50.

^K Lead 0.05 % max, Tin 0.9-1.5 %.

^L Bismuth 0.30-0.9 %, Tin 0.35-1.2 %.

^M Bismuth 0.20-0.8 % Lead 0.15-0.40 %.

^N In 1965 the requirements for 6062 were combined with those for 6061 by revising the minimum chromium from “0.15 %” to“ 0.04 %.” This action cancelled alloy 6062.

^O Bismuth 0.50-0.7 %, Lead 0.20-.040 %,

^P Bismuth and lead shall be 0.40–0.7 % each.

^Q Zirconium 0.08–0.20 %. The total for other elements does not include zirconium.

^R Composition of cladding alloy applied during the course of manufacture. Samples from finished tube shall not be required to conform to these limits.

^S Upon agreement between the purchaser and the producer or supplier, a Zr + Ti limit of 0.25 % max is permitted. Properties in Specification (Table 2) are not based on the Zirconium and Titanium algorithm.

^T Gallium 0.03 % max.

TABLE 2 Tensile Property Limits^A^,^B

Temper	Specified Section or Wall Thickness, mm			Area, mm²		Tensile Strength, MPa		Yield Strength (0.2 % offset), MPa		Elongation,^C %, min
Temper		over	incl	over	incl	min	max	min	max	in 50 mm	in 5 × Diameter
Aluminum 1060
O		all		all		60	95	15	. . .	25	22
H112		all		all		60	. . .	15	. . .	25	22
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Aluminum 1100
O		all		all		75	105	20	. . .	25	22
H112		all		all		75	. . .	20	. . .	25	22
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 2014
O		all		all		. . .	205	. . .	125	12	10
T4		all		all		345	. . .	240	. . .	12	10
T4510^E
T4511^E
T42^F		all		all		345	. . .	200	. . .	12	10
T6		. . .	12.50	all		415	. . .	365	. . .	7	6
T6510^E		12.50	18.00	all		440	. . .	400	. . .	. . .	6
T6511^E		18.00	. . .	. . .	16 000	470	. . .	415	. . .	. . .	6
		18.00	. . .	16 000	20 000	470	. . .	400	. . .	. . .	5
T62^F		. . .	18.00	all	. . .	415	. . .	365	. . .	7	6
		18.00	. . .	. . .	16 000	415	. . .	365	. . .	. . .	6
		18.00	. . .	16 000	20 000	415	. . .	365	. . .	. . .	5
F^D		all		all	. . .	. . .	. . .	. . .	. . .	. . .	. . .
Alloy 2024
O		all		all		. . .	240	. . .	130	12	10
T3		. . .	6.30	all		395	. . .	290	. . .	12^G	. . .
T3510^E		6.30	18.00	all		415	. . .	305	. . .	12^G	10^G
T3511^E		18.00	35.00	all		450	. . .	315	. . .	. . .	9
		35.00	. . .	. . .	16 000	485	. . .	360^H	. . .	. . .	9
		35.00	. . .	16 000	20 000	470	. . .	330^I	. . .	. . .	7
T42^F		. . .	18.00	all	. . .	395	. . .	260	. . .	12	10
		18.00	35.00	all		395	. . .	260	. . .	. . .	9
		35.00	. . .	. . .	16 000	395	. . .	260	. . .	. . .	9
		35.00	. . .	16 000	20 000	395	. . .	260	. . .	. . .	7
T81		1.20	6.30	all		440	. . .	385	. . .	4	. . .
T8510^E		6.30	35.00	all		455	. . .	400	. . .	5	4
T8511^E		35.00	. . .	. . .	20 000	455	. . .	400	. . .	. . .	4
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 2219
O		all		all		. . .	220	. . .	125	12	10
T31		. . .	12.50	. . .	16 000	290	. . .	180	. . .	14	12
T3510^E		12.50	80.00		16 000	310	. . .	185	. . .	. . .	12
T62^F		. . .	25.00	. . .	16 000	370	. . .	250	. . .	6	5
		25.00		. . .	20 000	370	. . .	250	. . .	. . .	5
T81
T8510^E		. . .	80.00	. . .	16 000	400	. . .	290	. . .	6	5
T8511^E
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 3003
O		all		all		95	130	35	. . .	25	22
H112		all		all		95	. . .	35	. . .	25	22
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alclad Alloy 3003
O		all	all	all		90	125	30	. . .	25	. . .
H112		all				90	. . .	30^J	. . .	25	. . .
Alloy 3004
O		all		all		160	200	60	. . .	. . .	. . .
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 3102
H112^K		0.70	1.30	all		75	125	30	. . .	25	. . .
Alloy 5052
O		all		all		170	240	70	. . .	. . .	. . .
Alloy 5083
O		. . .	130.00^L	. . .	20 000	270	350	110	. . .	14	12
H111		. . .	130.00^L	. . .	20 000	275	. . .	165	. . .	12	10
H112		. . .	130.00^L	. . .	20 000	270	. . .	110	. . .	12	10
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 5086
O		. . .	130.00^L	. . .	20 000	240	315	95	. . .	14	12
H111		. . .	130.00^L	. . .	20 000	250	. . .	145	. . .	12	10
H112		. . .	130.00^L	. . .	20 000	240	. . .	95	. . .	12	10
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 5154
O		all		all		205	285	75	. . .	. . .	. . .
H112		all		all		205	. . .	75	. . .	. . .	. . .
Alloy 5454
O		. . .	130.00^L	. . .	20 000	215	285	85	. . .	14	12
H111		. . .	130.00^L	. . .	20 000	230	. . .	130	. . .	12	10
H112		. . .	130.00^L	. . .	20 000	215	. . .	85	. . .	12	10
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 5456
O		. . .	130.00^L	. . .	20 000	285	365	130	. . .	14	12
H111		. . .	130.00^L	. . .	20 000	290	. . .	180	. . .	12	10
H112		. . .	130.00^L	. . .	20 000	285	. . .	130	. . .	12	10
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 6005
T1		. . .	12.50	all		170	. . .	105	. . .	16	14
T5		. . .	3.20	all		260	. . .	240	. . .	8	. . .
		3.20	25.00	all		260	. . .	240	. . .	10	9
Alloy 6005A
T1		. . .	6.30	all		170	. . .	100	. . .	15	. . .
T5		. . .	6.30	all		260	. . .	215	. . .	7	. . .
		6.30	25.00	all		260	. . .	215	. . .	9	8
T61		. . .	6.30	all		260	. . .	240	. . .	8	. . .
		6.30	25.00	all		260	. . .	240	. . .	10	9
Alloy 6013
T6		5.00	12.50	all		340	. . .	315	. . .	8	. . .
		12.50	20.00	all		340	. . .	315	. . .	. . .	7
		20.00	50.00	all		340	. . .	310	. . .	. . .	7
T6511		5.00	12.50	all		340	. . .	315	. . .	8	. . .
		12.50	20.00	all		340	. . .	315	. . .	. . .	7
		20.00	50.00	all		340	. . .	310	. . .	. . .	7
Alloy 6020
T6511		80.00	160.00	all		260	. . .	240	. . .	. . .	9
Alloy 6041
T6^M		10.00	50.00	all		310	. . .	275	. . .	10	9
T6511^M		10.00	50.00	all		310	. . .	275	. . .	10	9
Alloy 6042
T5		10.00	12.50	all		260	. . .	240	. . .	10	. . .
		12.50	50.00	all		290	. . .	240	. . .	. . .	9
T551		10.00	12.50	all		260	. . .	240	. . .	10	. . .
		12.50	50.00	all		290	. . .	240	. . .	. . .	9
Alloy 6060
T51		. . .	3.20	all		150	. . .	110	. . .	8	. . .
T61		. . .	3.20	all		205	. . .	170	. . .	8	. . .
		3.20	25.00	all		205	. . .	170	. . .	10	9
Alloy 6061
O		all		all		. . .	150	. . .	110	16	14
T1		. . .	16.00	all		180	. . .	95	. . .	16	14
T4				all		180	. . .	110	. . .	16	14
T4510^E		all
T4511^E
T42^F		all		all		180	. . .	85	. . .	16	14
T51		. . .	16.00	all		240	. . .	205	. . .	8	7
T6, T62^F		. . .	6.30	all		260	. . .	240	. . .	8	. . .
T6510^E		6.30	. . .	all		260	. . .	240	. . .	10	9
T6511^E
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 6063
O		all		all		. . .	130	. . .	. . .	18	16
T1		. . .	12.50	all	. . .	115	. . .	60	. . .	12	10
		12.50	25.00	all	. . .	110	. . .	55	. . .	. . .	10
T4,T42^F		. . .	12.50	all		130	. . .	70	. . .	14	12
		12.50	25.00	all		125	. . .	60	. . .	. . .	12
T5		. . .	12.50	all		150	. . .	110	. . .	8	7
		12.50	25.00	all		145	. . .	105	. . .	. . .	7
T52		. . .	25.00	all		150	205	110	170	8	7
T54		. . .	3.20	all		225	. . .	205	. . .	8	. . .
		3.20	12.50	all		225	. . .	205	. . .	10	. . .
T6, T62^K^,^F		. . .	3.20	all		205	. . .	170	. . .	8	. . .
		3.20	25.00	all		205	. . .	170	. . .	10	9
T65		. . .	5.00	all		250	. . .	230	. . .	7	. . .
Alloy 6064
T6		5.00	80.00	all		290	. . .	260	. . .	10	9
T6511		5.00	80.00	all		290	. . .	260	. . .	10	9
Alloy 6066
O		all		all		. . .	200	. . .	125	16	14
T4				all		275	. . .	170	. . .	14	12
T4510^E		all
T4511^E
T42^F		all		all		275	. . .	165	. . .	14	12
T6				all		345	. . .	310	. . .	8	7
T6510^E		all
T6511^E
T62^F		all		all		345	. . .	290	. . .	8	7
Alloy 6070
T6, T62^F		. . .	80.00	. . .	20 000	330	. . .	310	. . .	6	5
Alloy 6082
T6		5.00	20.00	all		310	...	260	...	6	8
T6511		20.00	150.00	all		310	...	260	...		8
		150.00	200.00	all		280	...	240	...		8
Alloy 6105
T1		. . .	12.5	all		170	. . .	105	. . .	16	14
T5		. . .	3.20	all		250	. . .	240	. . .	8	. . .
		3.20	25.00	all		250	. . .	240	. . .	10	9
Alloy 6162
T5,		. . .	25.00	all		255	. . .	235.	. . .	7	6
T5510^E
T5511^E
T6,		. . .	6.30	all		260	. . .	240	. . .	8	. . .
T6510^E		6.30	12.50	all		260	. . .	240	. . .	10	9
T6511^E

Alloy 6262
T6
T6510^E		all		all		260	. . .	240	. . .	10	9
T6511^E

Alloy 6351
T1		. . .	12.50	. . .	13 000	180	. . .	90	. . .	15	13
T11		. . .	20.00	all		180	. . .	110	. . .	16	14
T4		. . .	20.00	all		220	. . .	130	. . .	16	14
T5		. . .	6.30	all		260	. . .	240	. . .	8	. . .
		6.30	25.00	all		260	. . .	240	. . .	10	9
T51		3.20	25.00	. . .	13 000	250	. . .	230	. . .	10	7
T54		. . .	12.50	. . .	13 000	205	. . .	140	. . .	10	9
T6		. . .	3.20	all		290	. . .	255	. . .	8	. . .
		3.20	20.00	all		290	. . .	255	. . .	10	9
Alloy 6360
T5		. . .	6.30	all		150	. . .	110	. . .	8	. . .
T6		. . .	3.20	all		205	. . .	170	. . .	8	. . .
		3.20	6.30	all		205	. . .	170	. . .	10	. . .
Alloy 6463
T1		. . .	12.50	. . .	13 000	115	. . .	60	. . .	12	10
T5		. . .	12.50	. . .	13 000	150	. . .	110	. . .	8	7
T6,T62^F		. . .	3.20	. . .	13 000	205	. . .	170	. . .	8	. . .
		3.20	12.50	. . .	13 000	205	. . .	170	. . .	10	9
Alloy 6560
T5		2.50	3.20	all		150	...	110	...	8	...
T6		2.50	3.20	all		205	...	170	...	8	...
Alloy 7005
T53			20.00	all		345	. . .	305	. . .	10	9
Alloy 7116
T5		3.20	12.50	all		330	. . .	290	. . .	8	7
Alloy 7129
T5, T6		. . .	12.50	all		380	. . .	340	. . .	9	8
Alloy 7075
O		all		all		. . .	275	. . .	165	10	9
T6		. . .	6.30	all		540	. . .	485	. . .	7	. . .
T62^F		6.30	12.50	all		560	. . .	505	. . .	7	6
T6510^E		12.50	70.00	all		560	. . .	495	. . .	. . .	6
T6511^E		70.00	110.00	. . .	13 000	560	. . .	490	. . .	. . .	6
		70.00	110.00^L	13 000	20 000	540	. . .	485	. . .	. . .	5
		110.00	130.00^L	. . .	20 000	540	. . .	470	. . .	. . .	5
T73		1.60	6.30	. . .	13 000	470	. . .	400	. . .	7	. . .
T73510^E		6.30	35.00	. . .	16 000	485	. . .	420	. . .	8	7
T73511^E		35.00	70.00	. . .	16 000	475	. . .	405	. . .	. . .	7
		70.00	110.00^L	. . .	13 000	470	. . .	395	. . .	. . .	6
		70.00	110.00^L	13 000	20 000	450	. . .	380	. . .	. . .	6
		. . .	1.25	all		500	. . .	435	. . .	7	. . .
		1.25	3.20	all		510	. . .	440	. . .	7	. . .
T76		3.20	6.30	. . .	13 000	510	. . .	440	. . .	7	. . .
T76510^E		6.30	12.50	. . .	13 000	515	. . .	450	. . .	7	6
T76511^E		12.50	25.00	. . .	13 000	515	. . .	450	. . .	. . .	6
		25.00	50.00	. . .	13 000	515	. . .	450	. . .	. . .	6
		50.00	75.00	. . .	13 000	510	. . .	440	. . .	. . .	6
		75.00	100.00	. . .	13 000	510	. . .	435	. . .	. . .	6
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .
Alloy 7178
O		all		. . .	20 000	. . .	275	. . .	165	10	9
		. . .	1.60	all		565	. . .	525	. . .	. . .	. . .
		1.60	6.30	. . .	13 000	580	. . .	525	. . .	5	. . .
T6		6.30	35.00	. . .	16 000	600	. . .	540	. . .	5	4
T6510^E		35.00	60.00	. . .	16 000	595	. . .	530	. . .	. . .	4
T6511^E		35.00	60.00	16 000	20 000	580	. . .	515	. . .	. . .	4
		60.00	80.00	. . .	20 000	565	. . .	490	. . .	. . .	4
		. . .	1.60	all		545	. . .	505	. . .	. . .	. . .
		1.60	6.30	. . .	13 000	565	. . .	510	. . .	5	. . .
		6.30	35.00	. . .	16 000	595	. . .	530	. . .	5	4
T62^F		35.00	60.00	. . .	16 000	595	. . .	530	. . .	. . .	4
		35.00	60.00	16 000	20 000	580	. . .	515	. . .	. . .	4
		60.00	80.00	. . .	20 000	565	. . .	490	. . .	. . .	4
T76		3.20	6.30	. . .	13 000	525	. . .	455	. . .	7	. . .
T76510^E		6.30	12.50	. . .	13 000	530	. . .	460	. . .	7	6
T76511^E		12.50	25.00	. . .	13 000	530	. . .	460	. . .	. . .	6
F^D		all		all		. . .	. . .	. . .	. . .	. . .	. . .

^A The basis for establishment of tensile property limits is shown in Annex A1.

^B To determine conformance to this specification, each value shall be rounded to the nearest 1 MPa for strength and the nearest 0.5 % for elongation, in accordance with the rounding-off method of Practice E29.

^C Elongations in 50 mm apply for shapes tested in full section and for sheet-type specimens machined from material up through 12.5 mm in thickness having parallel surfaces. Elongations in 5× diameter (5.65

Equation B0221M-12A_35

), where D and A are diameter and cross-sectional area of the specimen respectively, apply to round test specimens machined from thicknesses over 6.30. See 8.1.1 and 8.1.2 for conditions under which measurements are not required.

^D No mechanical properties are specified or guaranteed.

^E For stress-relieved tempers (T3510, T3511, T4510, T4511, T5510, T5511, T6510, T6511, T73510, T73511, T76510, T76511, T8510, T8511), characteristics and properties offer than those specified may differ somewhat from the corresponding characteristics and properties of material in the basic tempers.

^F Material in the T42 and T62 tempers is not available from the material producers.

^G Minimum elongation for tube, 10 % in 50 mm and 9 % in 5× diameter.

^H Minimum yield strength for tube, 330 MPa.

^I Minimum yield strength for tube 315 MPa.

^J Yield strength is not applicable to tube.

^K Only in tube form.

^L Properties not applicable to extruded tube over 70 mm wall thickness.

^M Tentative—properties subject to revision.

Note 1—Throughout this specification the use of the term alloy in the general sense includes aluminum as well as aluminum alloy.

Note 2—For rolled or cold-finished bars and rods refer to Specification B211M, for drawn seamless tube used in pressure applications, Specification B210M, for structural pipe and tube, Specification B429/B429M, and for seamless pipe and tube used in pressure applications, Specification B241/B241M.

Note 3—Structural pipe and tube produced in accordance with this specification is not intended for fluid-carrying applications involving pressure. Refer to either Specification B210M or B241/B241M, as appropriate, for seamless pipe and tube used in fluid-carrying applications involving pressure.

1.2 Alloy and temper designations are in accordance with ANSI H35.1/H35.1M . The equivalent Unified Numbering System alloy designations are those of Table 1 preceded by A9, for example, A91100 for Aluminum 1100 in accordance with Practice E527.

1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.

1.4 This specification is the metric counterpart of Specification B221.

1.5 The values stated in SI are to be regarded as standard. No other units of measurement are included in this specification.

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