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Grade 2 Titanium vs. EN 1.5503 Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.5503 steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
12 to 17
Fatigue Strength, MPa 250
180 to 280
Poisson's Ratio 0.32
0.29
Reduction in Area, % 37
63 to 72
Shear Modulus, GPa 38
73
Shear Strength, MPa 270
270 to 320
Tensile Strength: Ultimate (UTS), MPa 420
400 to 520
Tensile Strength: Yield (Proof), MPa 360
270 to 430

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 22
52
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
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 92
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 600
200 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
14 to 19
Strength to Weight: Bending, points 28
15 to 18
Thermal Diffusivity, mm2/s 8.9
14
Thermal Shock Resistance, points 32
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.16 to 0.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
98.4 to 99.239
Manganese (Mn), % 0
0.6 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0