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Alloy Amg5mc (АЛ28)

Designation

Name The value
Designation GOST Cyrillic АМг5Мц
Designation GOST Latin AMg5Mts
Transliteration AMg5Mts
The chemical elements -
Name The value
Designation GOST Cyrillic АЛ28
Designation GOST Latin AL28
Transliteration AL28
The chemical elements -

Description

Alloy Amg5mc used: for the manufacture of ingots and shaped castings by various casting methods (sand casting, investment casting, gravity die casting, pressure casting); casting parts of valves and actuators to it; details of average load produced by all means pouring and working at the corrosion impact and alternating loads.

Note

Aluminum foundry alloy system Al-Mg.
Corrosion resistant thermally neurocinema alloy of medium strength having a satisfactory castability.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 1583-93
Castings from non-ferrous metals and alloys В84 OST 26-07-1114-74, OST 1 80029-83, OST 5.9397-90

Chemical composition

Standard Mn Si Fe Cu Al Ti Zr Mg
GOST 1583-93 0.4-1 ≤0.3 ≤0.3 ≤0.3 The rest 0.05-0.15 ≤0.1 4.8-6.3
Al is the base.
According to GOST 1583-93, the iron content is specified for casting in sand molds and for investment models. The iron content for casting in the mold is ≤ 0.40%, with die casting ≤ 0.50%. The amount of allowable impurities should be for casting in sand molds and for investment models ≤ 0.50%, casting in chill molds ≤ 0.60%, injection molding ≤ 0.70%.

Mechanical characteristics

σB, MPa d Brinell hardness number, MPa
Casting. Without heat treatment
≥196 ≥4 ≥55
≥206 ≥5 ≥55
≥206 ≥3.5 ≥55

Description mechanical marks

Name Description
σB Limit short-term strength
d Elongation after rupture

Technological properties

Name The value
Weldability The alloy is well welded using TIG method.
Workability by cutting The alloy is well processed by cutting, grinding and polishing.
Corrosion resistance To improve the corrosion resistance of products made of alloy subjected to anodic oxidation and metalreview (a type of anodic oxidation process).

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