Alloy AK5M7 used: for the manufacture of ingots and shaped castings by various casting methods (sand casting, investment casting, gravity die casting, pressure casting).

Note

Aluminum foundry alloy of the system Al-Si-Cu.

Standards

Name	Code	Standards
Non-ferrous metals, including rare, and their alloys	В51	GOST 1583-93
Castings, non-ferrous metals and alloys	В84	OST 1 80029-83

Chemical composition

Standard	Mn	Si	Ni	Fe	Cu	Al	Zn	Mg
GOST 1583-93	≤0.5	4.5-6.5	≤0.5	≤1.2	6-8	Rest	≤0.6	0.2-0.5

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 molding in the mold is ≤ 1.20%, when casting under pressure ≤ 1.30%. The amount of allowable impurities should be for casting in sand molds and for investment models ≤ 2.70%, casting in chill molds ≤ 2.70%, injection molding ≤ 3.00%. The total content of lead, tin and antimony should be ≤ 0.30%.

Mechanical properties

σ_U, MPa	HB, MPa
Casting. Without heat treatment
≥127	≥70
≥157	≥70
≥118	≥80
Casting. Mode T1: Artificial aging without prior tempering at 170-190 °C (exposure 1-5 hours)
≥147	≥80
≥167	≥90

Description mechanical marks

Name	Description
σ_U	Limit short-term strength
HB	Brinell hardness number

Physical characteristics

Temperature	r, kg/m³
20	2850

A description of the physical symbols

Name	Description
l	Coefficient of thermal conductivity

Alloy AK5M7

Designation

Description