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Grade 2 Titanium vs. EN 1.8527 Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.8527 steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 250
520
Impact Strength: V-Notched Charpy, J 160
39
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
74
Shear Strength, MPa 270
550
Tensile Strength: Ultimate (UTS), MPa 420
900
Tensile Strength: Yield (Proof), MPa 360
800

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
490
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
41
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.7
Embodied Energy, MJ/kg 510
23
Embodied Water, L/kg 110
66

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140
Resilience: Unit (Modulus of Resilience), kJ/m3 600
1670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.12
Chromium (Cr), % 0
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
93.2 to 95.1
Manganese (Mn), % 0
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
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 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0