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EN 1.7376 Steel vs. Automotive Malleable Cast Iron

Both EN 1.7376 steel and automotive malleable cast iron are iron alloys. They have 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7376 steel and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 20
1.0 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
70
Tensile Strength: Ultimate (UTS), MPa 710
350 to 720
Tensile Strength: Yield (Proof), MPa 460
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
41
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.9
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.1
1.5
Embodied Energy, MJ/kg 29
20
Embodied Water, L/kg 88
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 560
130 to 950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
13 to 26
Strength to Weight: Bending, points 23
14 to 24
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 20
9.9 to 21

Alloy Composition

Carbon (C), % 0.12 to 0.19
2.2 to 2.9
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
93.6 to 96.7
Manganese (Mn), % 0.35 to 0.65
0.15 to 1.3
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0.020 to 0.15
Silicon (Si), % 0 to 1.0
0.9 to 1.9
Sulfur (S), % 0 to 0.030
0.020 to 0.2
Vanadium (V), % 0 to 0.050
0