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Grey Cast Iron vs. R60706 Alloy

Grey cast iron belongs to the iron alloys classification, while R60706 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 grey cast iron and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
98
Elongation at Break, % 9.6
16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69
37
Tensile Strength: Ultimate (UTS), MPa 160 to 450
580
Tensile Strength: Yield (Proof), MPa 98 to 290
390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 46
17
Thermal Expansion, µm/m-K 11
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.5
6.7
Embodied Water, L/kg 44
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
82
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
760
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8 to 17
24
Strength to Weight: Bending, points 8.7 to 17
23
Thermal Diffusivity, mm2/s 13
9.5
Thermal Shock Resistance, points 6.0 to 17
67

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 92.1 to 93.9
0 to 0.2
Manganese (Mn), % 0.5 to 0.7
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.9
0
Silicon (Si), % 2.5 to 2.8
0
Sulfur (S), % 0 to 0.15
0
Zirconium (Zr), % 0
91 to 98