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SAE-AISI H41 Steel vs. Ductile Cast Iron

Both SAE-AISI H41 steel and ductile cast iron are iron alloys. They have 84% 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 H41 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
170 to 180
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 77
64 to 70
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1560
1160
Melting Onset (Solidus), °C 1510
1120
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 28
31 to 36
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 8.1
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 6.8
1.5
Embodied Energy, MJ/kg 97
21
Embodied Water, L/kg 97
43

Common Calculations

Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 24 to 76
17 to 35
Strength to Weight: Bending, points 22 to 47
18 to 29
Thermal Diffusivity, mm2/s 7.7
8.9 to 10
Thermal Shock Resistance, points 20 to 64
17 to 35

Alloy Composition

Carbon (C), % 0.6 to 0.75
3.0 to 3.5
Chromium (Cr), % 3.5 to 4.0
0
Iron (Fe), % 81.8 to 85
93.7 to 95.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.080
Silicon (Si), % 0.2 to 0.45
1.5 to 2.8
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0

Comparable Variants