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Grade 1 Titanium vs. EN 1.5510 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.5510 steel belongs to the iron alloys.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.5510 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
130 to 190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
11 to 21
Fatigue Strength, MPa 170
220 to 330
Poisson's Ratio 0.32
0.29
Reduction in Area, % 36
62 to 72
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
310 to 380
Tensile Strength: Ultimate (UTS), MPa 310
450 to 1600
Tensile Strength: Yield (Proof), MPa 220
310 to 520

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 20
51
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
46 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 230
260 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
16 to 57
Strength to Weight: Bending, points 23
17 to 39
Thermal Diffusivity, mm2/s 8.2
14
Thermal Shock Resistance, points 24
13 to 47

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.25 to 0.3
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
97.9 to 99.149
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0