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EN 1.5501 Steel vs. Grade C-5 Titanium

EN 1.5501 steel belongs to the iron alloys classification, while grade C-5 titanium belongs to the titanium alloys. There are 30 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 1.5501 steel and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 150
310
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12 to 17
6.7
Fatigue Strength, MPa 180 to 270
510
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 390 to 510
1000
Tensile Strength: Yield (Proof), MPa 260 to 420
940

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 52
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.9
4.4
Embodied Carbon, kg CO2/kg material 1.4
38
Embodied Energy, MJ/kg 18
610
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
66
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
4200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 14 to 18
63
Strength to Weight: Bending, points 15 to 18
50
Thermal Diffusivity, mm2/s 14
2.9
Thermal Shock Resistance, points 11 to 15
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.4 to 99.269
0 to 0.4
Manganese (Mn), % 0.6 to 0.8
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4