3.1255 (AlCuSiMn)

Classification

Country Section Category
Germany Non-ferrous metals AlCu alloys with: Si

Chemical composition

Standard Fe, % Si, % Mg, % Mn, % Cr, % Ti, % Cu, % Zn, % Al, % OE, % ET, %
DIN 1725 Part 1 < 0.7 0.5–1.2 0.2–0.8 0.4–1.2 < 0.1 < 0.15 3.9–5 < 0.25 90.6–95 < 0.05 < 0.15

Note: Ti + Zr < 0.2

Information on suppliers

Analogues

Russia USA
АК8 AlCu4SiMg

Standards

Standard Description
DIN 1725 Part 1

Description of chemical elements

Element Units of measurement Description
ET % Total other items
Fe % Iron
OE % Other items
Si % Silicon
Mg % Magnesium
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Zn % Zinc
Al % Aluminium