Aluminum alloy AK8M3ch (VAL8)

Chemical composition

  • Al Aluminum Rest
    Be Beryllium 0.05 — 0.25
    B Boron 0.005 — 0.100
    Fe Iron <0.4
    Cd Cadmium <0.15
    Si Silicon 7.0 — 8.5
    Mg Magnesium 0.25 — 0.50
    Cu Copper 2.5 — 3.5
    Ni Nickel <0.02
    Sn Tin <0.02
    Pb Lead <0.02
    Ti Titanium 0.10 — 0.25
    Zn Zinc 0.5 — 1.0
    Zr Zirconium <0.15
    Ot Total impurities <0.6

Casting methods:
Z — sand casting
B — Lost wax casting
K — chill casting
D — injection molding

Mark designation:
h — clean
bees — high purity
och — high purity
l — casting alloys
c — selective
Lack of B is allowed provided that the level of mechanical characteristics is ensured.

Analogs in Germany

GK-AlSi9Cu3 DIN 1725 Part 2

3.2163.02 DIN 1725 Part 2

G-AlSi9Cu3 DIN 1725 Part 2

3.2163.01 DIN 1725 Part 2

EN AC-46200 DIN EN 1706: 2013

EN AC-AlSi8Cu3 DIN EN 1706: 2013

EN AC-46200 DIN EN 1706: 2019

EN AC-AlSi8Cu3 DIN EN 1706: 2019

AlSi8Cu3 TGL 6556/02

AlSi8Cu3 TGL 6556/02

226 VDS

Analogs in the USA

SC 84B

SC 84A

SC 84A

A380.0 AA

A380.1 AA

A380.1-N AA

A380.1-S AA

A380.1-C AA

A380.1-P AA

4291 AMS

EN AC-46200 ASME SB / EN 1706

EN AC-AlSi8Cu3 ASME SB / EN 1706

B 179 (A380.1) ASTM B179

B 179 (A380.1-N) ASTM B179

B 179 (A380.1-S) ASTM B179

B 179 (A380.1-C) ASTM B179

B 179 (A380.1-P) ASTM B179

B 275 (A 13800) ASTM B275

B 275 (A 13801) ASTM B275

B 85 (A380.0) ASTM B85

A380.1 QQ A-371F

J452 (306) SAE J452

A13800 UNS

A13801 UNS

Analogs in Russia

VAL8 GOST 1583−93

AL8 GOST 2171−90

AK8M3ch GOST R 55375−12

VAL8 GOST R 55375−12

For the manufacture of power and sealed parts operating up to 250 degrees., Manufactured by injection molding. Technical requirements GOST 1583−93 Cast aluminum alloys. Technical conditions GOST R 55375−12 Primary aluminum and alloys based on it. Stamps

Classification

Country Section Category
CIS, Russia, Ukraine Aluminum, aluminum alloys Foundry aluminum alloys

Chemical composition

Standard Fe, % Si, % B, % Be, % Mg, % Ti, % Cu, % Zn, % Zr, % Al, % Cd, %
GOST 1583-93 < 0.4 7–8.5 0.005–0.1 0.05–0.25 0.2–0.45 0.1–0.25 2.5–3.5 0.5–1 < 0.15 85.4–89.65 < 0.15

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ δ, % Treatment
Casting GOST 1583-93 215–392 1–5

Standards

Standard Description
GOST 1583-93

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Be % Beryllium
Mg % Magnesium
Ti % Titan
Cu % Copper
Zn % Zinc
Zr % Zirconium
Al % Aluminium
Cd % Cadmium

Description of mechanical properties

Parameter Units of measurement Description
δ % Elongation after rupture
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength