6.2 Flashcards
Non Ferrous
No iron
1000 series
99% Pure Aluminium
2000 series
Copper
3000 series
Manganese
4000 series
Silicon
5000 series
Magnesium
6000 series
Magnesium and Silicon
7000 series
Zinc
8000 series
Lithium and others
Melting point of Pure Aluminium
660 °C
Relative Density of Pure Aluminium
2.7
Tensile Strength of Pure Aluminium
13 KSI
First Digit in Aluminium Association Inc
Alloy Type
Second Digit in Aluminium Association Inc
Modification
3rd and 4th Digit in Aluminium Association Inc
Purity of Aluminium in hundreds of a percentage
If second digit is a zero
Indicates the original alloy
What series is Duralumin
2000
Where are cast aluminium alloys used
Pump housings
Gearboxes
Hubs
What is work hardening
Grains in metal gain stresses as they are worked making it harder
Another name for Work Hardening
Cold Working or Strain Hardening
What is Solution Heat Treatment
Heating Metal to set Temp and rapidly quenching it
What is Age Hardening
Allowing Metal to naturally cool as it returns to its Natural / Original Hardness