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Grade C-3 Titanium vs. EN 1.1147 Steel

Grade C-3 titanium belongs to the titanium alloys classification, while EN 1.1147 steel belongs to the iron 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 grade C-3 titanium and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 13
12 to 17
Fatigue Strength, MPa 260
180 to 250
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 500
390 to 470
Tensile Strength: Yield (Proof), MPa 430
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 880
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 31
14 to 17
Strength to Weight: Bending, points 31
15 to 17
Thermal Diffusivity, mm2/s 8.5
14
Thermal Shock Resistance, points 39
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.19
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
98.3 to 99.25
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.8 to 100
0
Residuals, % 0 to 0.4
0