Alloy AKM

Designation

Name The value
Designation GOST Cyrillic АКМ
Designation GOST Latin AKM
Transliteration AKM
By chemical elements -

Description

Alloy AKM is used: for the manufacture of ingots, pressure treated, and podrihtovali in the manufacture of aluminum alloys.

Standards

Name Code Standards
Secondary non-ferrous metals, alloys, and waste В57 GOST 1131-76
Bars В55 GOST 21488-97
Sheets and strips В53 GOST 21631-76
Bars and shapes В52 GOST 8617-81, GOST 13616-97, GOST 13617-97, GOST 13618-97, GOST 13619-97, GOST 13620-90, GOST 13621-90, GOST 13622-91, GOST 13623-90, GOST 13624-90, GOST 13737-90, GOST 13738-91, GOST 17575-90, GOST 17576-97, GOST 29296-92, GOST 29303-92, GOST Р 50066-92, GOST Р 50067-92, GOST Р 50077-92

Chemical composition

Standard Mn Cr Si Ni Fe Cu Al Ti Zn Mg
GOST 1131-76 0.2-0.8 ≤0.2 0.8-2.2 ≤0.1 ≤1 1.2-2.6 Rest ≤0.2 ≤1 0.8-1.4
Al is the base.
According to GOST 1131-76, the total content of other impurities is ≤ 0.20%.

Mechanical properties

Section, mm σU, MPa d5, % d
Sheet metal in delivery condition of alloy AKM, AKM (normal plating), ACMB (B with plating technology) according to GOST 21631-76 (samples transverse)
1-10.5 ≥315 - ≥10
1-10.5 ≤245 - ≥10
Extruded normal strength according to GOST 8617-81 in the delivery condition (longitudinal samples)
≤196 ≥14 -
≥314 ≥12 -
≥333 ≥10 -
The pressed bars normal strength in the delivery condition according to GOST 21488-97 (longitudinal samples)
8-300 ≤245 ≥12 -
8-300 ≥315 ≥12 -

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
d Elongation after rupture