Ductile Iron 60-40-18

Chemical Composition

Element Symbol Average Preferred Range %
Carbon C 3.6-3.9
Manganese Mn 0.1-0.3
Silicon Si 2.3-2.9
Phosphorus P 0-0.018
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 Strength Min 60 ksi 415 MPa
Yield Strength Min 40 ksi 275 MPa
Elongation Min % 18% 18%
Hardness (Brinell) 160-210HB 160-210HB

Comparative Specifications

Stainless Steel 2205

ASTM / SAE: ASTM 60-40-18

Stainless Steel 2205

DIN: GGG-40

Stainless Steel 2205

Afnor: FGS 400-18

Stainless Steel 2205

EN (EU/US): GJS-400-18

Stainless Steel 2205

BS (British Standard): 400/18

Stainless Steel 2205

GB (Chinese Standard) / ISO (International): QT400-18 / Grade 400-18