Aluminium Grades Chart

Aluminium Alloy Material Grades – Chemical Composition
ALLOY (ISS) Equivalent Alloy (AA) U.S.A Copper (%) Magnesium (%) Silicon (%) Iron (%) Manganese (%) Others Total (%) Remarks
OLD NEW U.S.A Min–Max Min–Max Min–Max Min–Max Min–Max Max
1 C 19000 1100 0.05 0.5–0.6 0.1 Aluminium 99.0% Min
1 B 19500 1050 0.05 0.25–0.4 0.1 Aluminium 99.5% Min
1 E 19501 0.04 0.15–0.35 0.1 Aluminium 99.5% Min
1350 0.05 0.01–0.4 0.1 Aluminium 99.5% Min
19600 1060 0.05 0.25–0.35 0.1 Aluminium 99.6% Min
19700 1070 0.03 0.2–0.25 0.1 Aluminium 99.7% Min
H 15 24345 2014 3.8–5.0 0.2–0.8 0.5–1.2 0.7 0.3–1.2 0.5
H 14 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 4.5–6.0 0.6 0.2
N2 46000 4047 10 0.3 0.25
N4 52000 5052 0.1–1.7 2.2–2.6 0.06–0.5 0.4 Cr + Mn = 0.5
N5 53000 5086 0.1 2.8–4.5 0.2–0.5 0.5 Cr + Mn = 0.5
N6 55000 5056 0.1–4.5 5.6–6.0 0.4–0.7 0.4 Chromium upto 0.25
N8 54300 5083 0.1–0.4 4.0–4.9 0.4–0.7 0.4 Chromium upto 0.25
H 20 65032 0.15–0.4 0.7–1.2 0.4–0.8 0.8 **Cr = 0.15–0.35
% 0.15 0.4–0.8 0.2–0.4 0.7–0.8 0.15 0.4 Chromium 0.04–0.35
H 9 63400 6063 0.1 0.45–0.9 0.2–0.6 0.35 0.4
6066 0.1 1.0–1.2 0.6–0.8 0.3 0.4
64423 0.05–0.1 1.3–1.7 0.3–0.5 0.4
91E 63401 6101 0.05–0.15 0.3–0.7 0.3–0.6 0.5 0.4
64401 6201 0.1–0.6 0.9 0.3–0.5 0.5 0.4
H 30 64341 6351 0.1 0.6–1.0 0.6–1.0 0.3–0.6 0.3
6082 0.1–0.6 0.9–1.5 0.6–1.2 0.4–1.0 0.2 Chromium upto 0.25
74530 7039 0.2–1.6 1.5 0.4–0.7 0.4 0.3 Zinc 4.0–5.0%
7075 2.2–2.1 2.9 0.3–0.5 0.2 Zinc 5.1–6.1% & Chromium(0.18–0.28%)