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ACI-ASTM CA28MWV Steel vs. Grey Cast Iron

Both ACI-ASTM CA28MWV steel and grey cast iron are iron alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 11
9.6
Fatigue Strength, MPa 470
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
69
Tensile Strength: Ultimate (UTS), MPa 1080
160 to 450
Tensile Strength: Yield (Proof), MPa 870
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1430
1180
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
21
Embodied Water, L/kg 100
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
5.8 to 17
Strength to Weight: Bending, points 30
8.7 to 17
Thermal Diffusivity, mm2/s 6.6
13
Thermal Shock Resistance, points 40
6.0 to 17

Alloy Composition

Carbon (C), % 0.2 to 0.28
3.1 to 3.4
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 81.4 to 85.8
92.1 to 93.9
Manganese (Mn), % 0.5 to 1.0
0.5 to 0.7
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.9
Silicon (Si), % 0 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.030
0 to 0.15
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0