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Grade 1 Titanium vs. EN 1.3555 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.3555 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
230
Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
75
Tensile Strength: Ultimate (UTS), MPa 310
770

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
540
Melting Completion (Liquidus), °C 1660
1500
Melting Onset (Solidus), °C 1610
1450
Specific Heat Capacity, J/kg-K 540
460
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
5.6
Embodied Energy, MJ/kg 510
81
Embodied Water, L/kg 110
90

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 24
22

Alloy Composition

Carbon (C), % 0 to 0.080
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
85.4 to 87.7
Manganese (Mn), % 0
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0
3.2 to 3.6
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0.1 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99.095 to 100
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Residuals, % 0 to 0.4
0