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Ductile Cast Iron vs. R60802 Alloy

Ductile cast iron belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
98
Elongation at Break, % 2.1 to 20
22
Poisson's Ratio 0.28 to 0.31
0.34
Shear Modulus, GPa 64 to 70
36
Tensile Strength: Ultimate (UTS), MPa 460 to 920
430
Tensile Strength: Yield (Proof), MPa 310 to 670
270

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 31 to 36
22
Thermal Expansion, µm/m-K 11
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.1 to 7.5
6.5
Embodied Water, L/kg 43
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
85
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
380
Stiffness to Weight: Axial, points 12 to 14
8.3
Stiffness to Weight: Bending, points 24 to 26
23
Strength to Weight: Axial, points 17 to 35
18
Strength to Weight: Bending, points 18 to 29
19
Thermal Diffusivity, mm2/s 8.9 to 10
12
Thermal Shock Resistance, points 17 to 35
53

Alloy Composition

Carbon (C), % 3.0 to 3.5
0
Chromium (Cr), % 0
0.050 to 0.15
Iron (Fe), % 93.7 to 95.5
0.070 to 0.2
Nickel (Ni), % 0
0.030 to 0.080
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0
Tin (Sn), % 0
1.2 to 1.7
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11