Alloy Ak12mmgn (АЛ30)

Designation

Name The value
Designation GOST Cyrillic АК12ММгН
Designation GOST Latin AK12MMgH
Transliteration AK12MMgN
By chemical elements -
Name The value
Designation GOST Cyrillic АЛ30
Designation GOST Latin AL30
Transliteration AL30
By chemical elements -

Description

Alloy Ak12mmgn used: for the manufacture of ingots and shaped castings in a mold.

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 Cr Si Ni Fe Cu Al Ti Zn Sn Pb Mg
GOST 1583-93 ≤0.2 ≤0.2 11-13 0.8-1.3 ≤0.7 0.8-1.5 Rest ≤0.2 ≤0.2 ≤0.01 ≤0.05 0.8-1.3
Al is the base.
According to GOST 1583-93, the iron content is specified for injection molding. The amount of allowable impurities should be for die casting ≤ 1.10%.

Mechanical properties

σU, MPa d HB, MPa
Casting. Mode T1: Artificial aging without prior tempering at 180-200 °C (delay of 6-12 hours.)
≥196 ≥0.5 ≥90
Casting. T6 mode: Quenching in water from 515-525 °C (extract 4-6 hours) + Complete artificial aging at 175-185 °C (aging 6-8 hours)
≥216 ≥0.7 ≥100

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture
HB Brinell hardness number

Physical characteristics

Temperature r, kg/m3
20 2700

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
С Specific heat