Alloy for pressure die-casting
An aluminium, magnesium and silicon-based die casting alloy having 5.0-7.0 wt. % magnesium, 1.5-7.0 wt. % silicon, 0.3-0.8 wt. % manganese, 0.03-0.5 wt. % iron, 0.01-0.4 wt. % molybdenum, 0.01-0.3 wt. % zirconium, 0-0.25 wt. % titanium, 0-0.25 wt. % strontium, 0-250 ppm phosphorus, 0-4 wt. % copper and 1-10 wt. % zinc, the remainder being aluminium and inevitable impurities.
1. An aluminium-magnesium-silicon-based alloy for pressure die casting, consisting of:
magnesium
5.0-7.0%
by weight
silicon
1.5-4.0%
by weight
iron
0.03-0.5%
by weight
manganese
0.3-0.8%
by weight
zirconium
0.01-0.4%
by weight
molybdenum
0.01-0.4%
by weight
vanadium
0.01-0.03%
by weight
beryllium
0.001-0.005%
by weight
titanium
0-0.15%
by weight
strontium
0-0.1%
by weight
phosphorus
0-250
ppm
copper
0-4%
by weight
zinc
0-10%
by weight
the remainder being aluminium and unavoidable impurities.
2. The alloy for pressure die casting according to claim 1 , wherein molybdenum is 0.05 to 0.20% by weight.
3. The alloy for pressure die casting according to claim 1 , wherein zirconium is 0.05 to 0.20% by weight.
4. The alloy for pressure die casting according to claim 1 , wherein silicon is 2.0 to 3.0% by weight.
5. The alloy for pressure die casting according to claim 1 , wherein magnesium is 5.5 to 6.5% by weight.
6. The alloy for pressure die casting according to claim 1 , wherein titanium is 0-0.08% by weight.
7. The alloy for pressure die casting according to claim 1 , wherein iron is 0.05 to 0.2% by weight.
8. The alloy for pressure die casting according to claim 1 , wherein copper is 0-0.2% by weight.
9. The alloy for pressure die casting according to claim 1 , wherein zinc is 0-0.5% by weight.
10. The alloy for pressure die casting according to claim 1 , wherein strontium is 0-0.01% by weight.
11. A structural component comprising an alloy for pressure die casting according to claim 1 .
12. The alloy for pressure die casting according to claim 1 , wherein magnesium is 5.0-6.21% by weight.
13. The alloy for pressure die casting according to claim 1 , wherein silicon is 1.5-2.61% by weight.