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Grade 1 Titanium vs. EN 1.8505 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.8505 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
320
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
13
Fatigue Strength, MPa 170
540
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
630
Tensile Strength: Ultimate (UTS), MPa 310
1050
Tensile Strength: Yield (Proof), MPa 220
860

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
440
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
39
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.6
Embodied Energy, MJ/kg 510
22
Embodied Water, L/kg 110
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
37
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 8.2
11
Thermal Shock Resistance, points 24
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.080
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
95.4 to 97.1
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
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 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0