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Alloy MA20

Designation

Name The value
Designation GOST Cyrillic МА20
Designation GOST Latin MA20
Transliteration MA20
The chemical elements CuAl20

Description

Alloy MA20 is used: for the manufacture of semi-finished products (sheets, plates, bars, rods, profiles, strips, tubes, wire, stampings and forgings) by hot deformation, as well as ingots and slabs intended for the production of welded details with complex geometric shapes, long-working temperature up to +150 °C and for short periods up to +200 °C.

Note

Alloy brand MA20 has medium strength, high ductility, good weldability and corrosion resistance, is not prone to stress corrosion cracking.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 14957-76

Chemical composition

Standard Mn Si Ni Fe Cu Al Zn Ce Zr Mg Be
GOST 14957-76 ≤0.04 ≤0.05 ≤0.005 ≤0.04 ≤0.03 ≤0.02 1-1.5 0.12-0.25 0.05-0.12 The rest ≤0.002
Mg is the basis.
According to GOST 14957-76 the mass fraction of other impurities is ≤ 0.30%. "Other impurities" include impurities whose permissible content limits are not indicated (≤), as well as impurities not included in the table, the content of which is not determined. Beryllium is not determined, but is introduced by calculation.

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