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EN 1.0446 Cast Steel vs. EN 1.1131 Cast Steel

Both EN 1.0446 cast steel and EN 1.1131 cast steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0446 cast steel and the bottom bar is EN 1.1131 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
27
Fatigue Strength, MPa 200
200
Impact Strength: V-Notched Charpy, J 31
78
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530
530
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0
0.15 to 0.2
Iron (Fe), % 99.935 to 100
97.6 to 98.9
Manganese (Mn), % 0
1.0 to 1.6
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030