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EN 1.0558 Cast Steel vs. R56401 Titanium

EN 1.0558 cast steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 29 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 1.0558 cast steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18
9.1
Fatigue Strength, MPa 230
480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 640
940
Tensile Strength: Yield (Proof), MPa 340
850

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
340
Melting Completion (Liquidus), °C 1470
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 53
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.4
38
Embodied Energy, MJ/kg 18
610
Embodied Water, L/kg 45
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
83
Resilience: Unit (Modulus of Resilience), kJ/m3 300
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22
59
Strength to Weight: Bending, points 21
48
Thermal Diffusivity, mm2/s 14
2.9
Thermal Shock Resistance, points 20
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 99.935 to 100
0 to 0.25
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.035
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5