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Grade 1 Titanium vs. EN 1.6771 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.6771 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
280 to 350
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
8.0 to 8.7
Fatigue Strength, MPa 170
440 to 680
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 310
930 to 1180
Tensile Strength: Yield (Proof), MPa 220
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
440
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
46
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
5.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.9
Embodied Energy, MJ/kg 510
25
Embodied Water, L/kg 110
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1460 to 3450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
33 to 41
Strength to Weight: Bending, points 23
27 to 31
Thermal Diffusivity, mm2/s 8.2
13
Thermal Shock Resistance, points 24
27 to 35

Alloy Composition

Carbon (C), % 0 to 0.080
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
92.2 to 95
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
3.0 to 4.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0