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EN 1.0449 Cast Steel vs. EN 1.1181 Steel

Both EN 1.0449 cast steel and EN 1.1181 steel are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0449 cast steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
19 to 20
Fatigue Strength, MPa 170
190 to 260
Impact Strength: V-Notched Charpy, J 40
23 to 38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 460
560 to 620
Tensile Strength: Yield (Proof), MPa 220
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
42
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
210 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
20 to 22
Strength to Weight: Bending, points 17
19 to 21
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 14
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.18
0.32 to 0.39
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98 to 100
97.4 to 99.18
Manganese (Mn), % 0 to 1.2
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035