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