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SAE-AISI H14 Steel vs. Ductile Cast Iron

Both SAE-AISI H14 steel and ductile cast iron are iron alloys. They have 90% 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 H14 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 75
64 to 70
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1160
Melting Onset (Solidus), °C 1490
1120
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 35
31 to 36
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 8.1
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 73
43

Common Calculations

Stiffness to Weight: Axial, points 13
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 24 to 69
17 to 35
Strength to Weight: Bending, points 22 to 44
18 to 29
Thermal Diffusivity, mm2/s 9.3
8.9 to 10
Thermal Shock Resistance, points 24 to 68
17 to 35

Alloy Composition

Carbon (C), % 0.35 to 0.45
3.0 to 3.5
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
93.7 to 95.5
Manganese (Mn), % 0.2 to 0.5
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
Tungsten (W), % 4.0 to 5.3
0

Comparable Variants