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SAE-AISI M48 Steel vs. Ductile Cast Iron

Both SAE-AISI M48 steel and ductile cast iron are iron alloys. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 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 78
64 to 70
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1670
1160
Melting Onset (Solidus), °C 1620
1120
Specific Heat Capacity, J/kg-K 420
490
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 48
1.9
Density, g/cm3 8.7
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 13
1.5
Embodied Energy, MJ/kg 190
21
Embodied Water, L/kg 160
43

Common Calculations

Stiffness to Weight: Axial, points 13
12 to 14
Stiffness to Weight: Bending, points 22
24 to 26
Strength to Weight: Axial, points 28 to 76
17 to 35
Strength to Weight: Bending, points 23 to 45
18 to 29
Thermal Shock Resistance, points 26 to 71
17 to 35

Alloy Composition

Carbon (C), % 1.4 to 1.5
3.0 to 3.5
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 63.8 to 69.8
93.7 to 95.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.080
Silicon (Si), % 0.15 to 0.4
1.5 to 2.8
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0

Comparable Variants