Extruded Shapes

Lead-free, free-cutting aluminum alloys

Special features

Properties

Mechanical properties

Alloy series Alloy
designation
Lead
content
(mass%)
Mechanical properties Chip
disposability
Surface
treatability
Corrosion
resistance
Toughness
at high
temperatures
Tensile
strength
(N/mm2)
Proof
stress
(N/mm2)
Elongation
(%)
2000 series
lead-free
material
CB156-T8 - 420 320 15 〇-△
KS28S-T8 - 420 330 23 〇-△
CB256-T8 - 440 330 15
KS26-T8 - 430 340 25
2000 series
conventional
material
2011-T8 0.6 440 330 15
2017-T4 - 440 275 20
◎Excellent 〇Good △Not good

Chip disposability

Chip disposability

Charpy impact value

Charpy impact value Lead-free, free-cutting aluminum alloys