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EN 1.8866 Steel vs. Grade 1 Titanium

EN 1.8866 steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 31 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 EN 1.8866 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
28
Fatigue Strength, MPa 260
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Shear Strength, MPa 350
200
Tensile Strength: Ultimate (UTS), MPa 540
310
Tensile Strength: Yield (Proof), MPa 350
220

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 410
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 48
20
Thermal Expansion, µm/m-K 13
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.6
31
Embodied Energy, MJ/kg 21
510
Embodied Water, L/kg 48
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
79
Resilience: Unit (Modulus of Resilience), kJ/m3 330
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 13
8.2
Thermal Shock Resistance, points 16
24

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.16
0 to 0.080
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.3 to 100
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.030
99.095 to 100
Vanadium (V), % 0 to 0.060
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.4