Chemical Composition
Carbon: 3.50%-3.90%
Silicon: 2.25%-2.75%
Manganese: 0.15%-0.35%
Phosphorus: 0.00%-0.05%
Sulphur: 0.006%-0.025%
Properties
Tensile Strength: 65,000 PSI (Min)
Yield Strength: 45,000 PSI (Min)
Elongation: 12%
Typical Uses
80-55-06 Ductile Iron is typically used in:
- Shafts
- Bearing Caps
- Moldings
- Sprockets
- Gears
- Screws
- Couplings
- Bushings
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65-45-12 Dura-Bar Ductile Iron Milled
Alro stocks DURA-BAR® Type 65-45-12. This Ductile Iron contains nodular graphite in a matrix of ferrite with small amounts of pearlite. Because of it's unmatched combination of machinability, mechanical properties and heat treat response, Grade 65-45-12 is the most often chosen material of all the Dura Bar iron types. The ferritic structure produces the most machinable ferrous grade of material available anywhere in combination with good surface finishes, optimal impact strengths, fatigue properties, electrical conductivity and high magnetic permeability. This iron has approximately the same tensile and yield strengths as AISI 1020 steel in the as-rolled condition. This specification conforms to ASTM A536 grade 65-45-12.
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