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EN 1.0446 Cast Steel vs. EN 1.0449 Cast Steel

Both EN 1.0446 cast steel and EN 1.0449 cast steel are iron alloys. Both are furnished in the normalized condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0446 cast steel and the bottom bar is EN 1.0449 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
28
Fatigue Strength, MPa 200
170
Impact Strength: V-Notched Charpy, J 31
40
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530
460
Tensile Strength: Yield (Proof), MPa 270
220

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
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.18
Iron (Fe), % 99.935 to 100
98 to 100
Manganese (Mn), % 0
0 to 1.2
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025