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Technical Specifications

Complete aluminium alloy reference data including temper designations, international equivalents across all major series, and chemical composition limits.

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Temper Designation Table

India or UK USA or Canada ISO Temper Description of Designation
O O O Annealed
M F F As fabricated, as manufactured or as cast
T3 TD Solution heat-treated, and cold worked
W T4 TB Solution heat-treated, naturally aged and amenable to artificial ageing
P T5 TE Artificially aged or precipitation heat-treated
WP T6 TF Solution heat-treated and precipitation heat-treated
H-Series — Strain Hardening
H-21 H-1 H-2A / H1 Strain hardened to specified strength
H-22 H-32 H-2B / H3B 1/4 Hard Stabilized
H-24 H-34 H-2D / H3D 1/2 Hard Stabilized
H-26 H-36 H-2F / H3F 3/4 Hard Stabilized
H-28 H-38 H-2H / H3H Fully Hard, Stabilized
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Aluminium Alloy Series & International Equivalents

India New I.S. India Old I.S. U.S.A. (A.A) Britain (B.S.) Canada Germany (DIN) Russia I.S.O French
1000 Non (99% Alum.) — Unalloyed aluminium is highly corrosion resistant, low strength, workable, conductive, non-heat-treatable.
19501 1E 1050 (E.C.) 1E C 15 E-Al 99.5
19500 1B 1050 1B 1S A-99.5 Al-99.5 1050A
19600 1060
19700 1070 Al-99.7 Al-99.7
19800 1A 1080 1A Al-99.8
19000 1C 1100 1C 2S Al-99.0 AD Al-99.0 1200
2000 Copper Based — Gives strength, hardness, machinability, heat-treatable
2011 FC1 28S Al-Cu-Bi-Pb Al-Cu-6 Bi Pb 2011
24345 H15 2014 H15 B26S Al-Cu-Si AK
24534 H14 2017 H14 17S/16S D1 Al-Cu-4Mg Si
2024 24S Al-Cu-Mg.2 Al-Cu-4Mg 1 2024
3000 Manganese Based — Adds moderate strength, good workability, non-heat-treatable
31000 N3 3003 N3 3S Al-Mn A-Mn Al-Mn 1 3003
4000 Silicon Alloys — Used for welding and casting applications
43000 N21 4043 N21 33S Al-Si-5 AK Al-SI5 4043
46000 N2 4047 N2 35S
5000 Magnesium Based — Moderate to high strength, corrosion resistant, non-heat-treatable
51000 5005 B57S Al-Mg-1
52000 N4 5052 N4 M57S Al-Mg.2 A-Mg Al-Mg-2.5 5051
53000 N5 5086 N5 54S A.Mg-3 Al-Mg-4
54300 N8 5083 N8 D54S Al-Mg-4.5 Mn Al-Mg-4.5 Mn 5083
55000 N6 5056 N6 A56S Al-Mg.5 Al-Mg.5 5356
6000 Magnesium & Silicon Based — Increase strength, formability, corrosion resistant, heat-treatable
65032 H20 6061 H20 65S Al-Mg-Si Cu Al-Mg-1Si Cu
63400 H9 6063 H9 50S Al-Mg-Si 0.5 Al-Mg-Si
64430 H30 6351 H30 B51S Al-Mg-Si 1 AV Al-Si-1 Mg 6081
64423 H11 6066 H11 C62S
62400 6005 C51S
63401 91E 6101 91E D50S E.Al.Mg.Si 0.5
64401 6201
7000 Zinc Based — For greatest strength, heat-treatable
74530 7039 D74S Al-Zn-Mg.1 3004
76528 H17 7075 DTD5124 75S Al-Zn-Mg Cu 1.5 Al-Zn 6 Mg Cu 7075
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Aluminium Alloy: Chemical Composition Limits (Percent)

Alloy (ISS) Old Alloy (ISS) New AA (USA) Copper Magnesium Silicon Iron Max Manganese Other Max Remarks
Min Max Min Max Min Max Min Max
1C 19000 1100 0.10 0.5 0.6 0.1 0.1 Aluminium 99.0 % Min
1200 0.05 Si + Fe 1.0 0.05 0.1 Aluminium 99.0 % Min
1B 19500 1050 0.05 0.25 0.4 0.05 0.1 Aluminium 99.5 % Min
1E 19501 0.04 0.15 0.35 0.03 0.1 Aluminium 99.5 % Min
1350 0.05 0.10 0.40 0.01 0.1 Aluminium 99.5 % Min
19600 1060 0.05 0.25 0.35 0.03 0.1 Aluminium 99.6 % Min
19700 1070 0.03 0.20 0.25 0.03 0.1 Aluminium 99.7 % Min
H15 24345 2014 3.8 5.0 0.2 0.8 0.5 1.20 1.7 0.3 1.2 0.5
H4 24534 2017 3.5 4.7 0.4 1.2 0.2 0.7 0.7 0.4 1.2 0.5
N3 31000 3003 0.1 0.1 0.6 0.7 1.0 1.5 0.4
N21 43000 4043 0.1 0.2 4.5 6.0 0.6 0.5 0.2
N2 46000 4047 0.1 0.2 10.0 13.0 0.6 0.5 0.2
N4 52000 5052 0.1 1.7 2.6 0.6 0.5 0.5 0.4 Cr + Mn = 0.5 %
N5 53000 5086 0.1 2.8 4.0 0.6 0.5 0.5 0.4 Cr + Mn = 0.5 %
N6 55000 5056 0.1 4.5 5.6 0.6 0.7 0.5 0.4 Chromium upto 0.25 %
N8 54300 5083 0.1 4.0 4.9 0.4 0.7 0.5 1.0 0.4 Chromium upto 0.25 %
H20 65032 0.15 0.4 0.7 1.2 0.4 0.8 0.7 0.2 0.8 0.4 * Cr = 0.15 - 0.35 %
6061 0.15 0.4 0.8 1.2 0.4 0.8 0.7 0.15 0.4 Chromium 0.04 - 0.35 %
H9 63400 6063 0.1 0.4 0.9 0.3 0.7 0.6 0.3 0.4
6066 0.7 1.2 0.8 1.4 0.9 1.8 0.7 0.6 1.1 0.4
64423 0.5 1.0 0.5 1.3 0.7 1.3 0.8 1.0
91E 63401 6101 0.05 0.4 0.9 0.3 0.7 0.5 0.03 0.1
64401 6201 0.1 0.6 0.9 0.5 0.9 0.5 0.03 0.1
H30 64430 6351 0.1 0.4 1.2 0.6 1.3 0.6 0.4 1.0 0.3
6082 0.1 0.6 1.2 0.7 1.3 0.5 0.4 1.0 0.3 Chromium upto 0.25 %
74530 7039 0.2 1.0 1.5 0.4 0.7 0.2 0.7 0.4 Zinc 4.0 - 5.0 %
H17 76528 7075 1.2 2.0 2.1 2.9 0.5 0.5 0.3 0.2 Zinc 5.1 - 6.1 %
Chromium 0.18 - 0.28 %

* Titanium and/or other grain refining elements

** Either Mn or Cr shall be present