Summary of Six Main Grades of Aluminum

Selection from six grades of aluminum for CNC machining
Jack Lie CNC machining expert

Specialize in CNC milling , CNC turning, 3D printing, urethane casting, rapid tooling, injection molding, metal casting,

Mechanical Property606160826063707520245052
Ultimate tensile strength310 MPa140-340 MPa110-300 MPa434-580 MPa200-540 MPa190-320 MPa
Elongation at break17%6.3-18%12 %10-15%14-20%2-22%
Modulus of elasticity68.9 GPa69-71 GPa68-69 GPa69-76 GPa71-73.1 GPa68-71 GPa
Hardness60 HRB35-56 HRB25-95 HRB79-86 HRB70-120 HB46-83 HB
AdvantagesCorrosion resistance,
non-magnetic,
heat treatable		High tensile strength,
corrosion resistance,
non-magnetic		Corrosion resistance,
heat treatable,
non-magnetic		High strength,
hardness, good
machinability		Good fatigue resistance,
excellent fracture toughness		Fairly high strength, incredible corrosion resistance,
easily to be welded
ApplicationAutomotive parts:
chassis, bicycle frames,
valves, computer parts		Construction industry:
bridges, towers, trusses		Exterior railings,
decorative trim,
interior architectural
applications		Aerospace & military
industries: aircraft fittings,
missile parts, fuse parts, bikes, sporting goods		Aircraft fuselage, transport vehicle
parts, and wing tension members		Marine applications,
a series of “H” tempers