Ductile (Nodular, Spheroidal) Cast Iron

Cast Iron

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.1g/cm³

Elastic Modulus170GPa

Tensile Strength460MPa

Yield Strength310MPa

Brinell Hardness160HB

Maximum Service Temperature290°C

Weight Calculator

Chemical Composition

3.0 to 3.5%

1.5 to 2.8%

0 to 0.080%

93.7 to 95.5%

Mechanical

Elastic (Young's, Tensile) Modulus

170 GPa

Elongation at Break

20 %

Fracture Toughness

30 MPa-m 1/2

Poisson's Ratio

0.29

Shear Modulus

66 GPa

Shear Strength

420 MPa

Tensile Strength: Ultimate (UTS)

460 MPa

Tensile Strength: Yield (Proof)

310 MPa

Hardness

Brinell Hardness

160

Physical

Density

7.1 g/cm 3

Thermal

Latent Heat of Fusion

270 J/g

Maximum Temperature: Mechanical

290 °C

Melting Completion (Liquidus)

1160 °C

Melting Onset (Solidus)

1120 °C

Specific Heat Capacity

490 J/kg-K

Thermal Conductivity

36 W/m-K

Thermal Diffusivity

10 mm 2 /s

Thermal Expansion

11 µm/m-K

Thermal Shock Resistance

18 points

Electrical

Electrical Conductivity: Equal Volume

7.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

9.4 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

80 MJ/m 3

Resilience: Unit (Modulus of Resilience)

280 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

26 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

19 points

Environmental

Base Metal Price

1.9 % relative

Embodied Carbon

1.5 kg CO 2 /kg material

Embodied Energy

21 MJ/kg

Embodied Energy

21 MJ/kg 8.9 x 10 3 BTU/lb

Embodied Water

43 L/kg

Embodied Water

43 L/kg 5.1 gal/lb

Registered Designations & Aliases

Ductile (Nodular, Spheroidal) Cast IronNodularSpheroidal

Standards

ASTM A395 ASTM A395: Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures

ASTM A536 ASTM A536: Standard Specification for Ductile Iron Castings

ISO 1083 ISO 1083: Spheroidal Graphite Cast Irons - Classification

SAE J434 SAE J434: Automotive Ductile (Nodular) Iron Castings

SAE J434 SAE J434: Automotive Ductile (Nodular) Iron Castings ISO 1083: Spheroidal Graphite Cast Irons - Classification ASTM A536: Standard Specification for Ductile Iron Castings ASTM A395: Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures Cast Iron: Physical and Engineering Properties, Harold T. Angus, 1976 Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993