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%)