Ductile Iron 65-45-12

Chemical Composition

Element Symbol Average Preferred Range %
Carbon C 3.6-3.9
Manganese Mn 0.1-0.4
Silicon Si 2.3-2.9
Phosphorus P 0-0.08
Sulfur S 0.025
Magnesium Mg 0.035-0.055
Copper Cu 0.05
Chromium Cr 0.03-0.07
Iron Fe Balance

Mechanical Properties

Property Metric Values Imperial Values
Tensile Strenght Min 65 ksi 450 MPa
Yield Strength Min 45 ksi 310 MPa
Elongation Min % 12% 12%
Hardness (Brinell) 160-210HB 160-210HB

Comparative Specifications

ASTM / SAE: ASTM 65-45-12 / D4512

DIN: GGG-45

Afnor: FGS 450-10

EN (EU/US): GJS-450-10

BS (British Standard): 450/10

GB (Chinese Standard) / ISO (International): QT450-10 / Grade 450-10 / F33100

Applicable Casting Processes