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SAE-AISI T5 Steel vs. Ductile Cast Iron

Both SAE-AISI T5 steel and ductile cast iron are iron alloys. They have 66% of their average alloy composition in common. There are 21 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 SAE-AISI T5 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
170 to 180
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 80
64 to 70
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1810
1160
Melting Onset (Solidus), °C 1750
1120
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 21
31 to 36
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
1.9
Density, g/cm3 9.4
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 170
21
Embodied Water, L/kg 140
43

Common Calculations

Stiffness to Weight: Axial, points 12
12 to 14
Stiffness to Weight: Bending, points 21
24 to 26
Strength to Weight: Axial, points 25 to 63
17 to 35
Strength to Weight: Bending, points 21 to 39
18 to 29
Thermal Diffusivity, mm2/s 5.5
8.9 to 10
Thermal Shock Resistance, points 26 to 66
17 to 35

Alloy Composition

Carbon (C), % 0.75 to 0.85
3.0 to 3.5
Chromium (Cr), % 3.8 to 5.0
0
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 60.6 to 68.3
93.7 to 95.5
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.080
Silicon (Si), % 0.2 to 0.4
1.5 to 2.8
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0

Comparable Variants