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SAE-AISI H11 Steel vs. Ductile Cast Iron

Both SAE-AISI H11 steel and ductile cast iron are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
170 to 180
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 74
64 to 70
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1160
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 42
31 to 36
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
1.9
Density, g/cm3 7.8
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
21
Embodied Water, L/kg 75
43

Common Calculations

Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 25
24 to 26
Strength to Weight: Axial, points 25 to 66
17 to 35
Strength to Weight: Bending, points 22 to 43
18 to 29
Thermal Diffusivity, mm2/s 11
8.9 to 10
Thermal Shock Resistance, points 22 to 58
17 to 35

Alloy Composition

Carbon (C), % 0.33 to 0.43
3.0 to 3.5
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.6 to 92.5
93.7 to 95.5
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.080
Silicon (Si), % 0.8 to 1.2
1.5 to 2.8
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.3 to 0.6
0

Comparable Variants