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Grade 24 Titanium vs. EN 1.1127 Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.1127 steel belongs to the iron alloys. There are 29 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 24 titanium and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
14 to 25
Fatigue Strength, MPa 550
280 to 370
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 610
420 to 480
Tensile Strength: Ultimate (UTS), MPa 1010
660 to 790
Tensile Strength: Yield (Proof), MPa 940
410 to 580

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
49
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
1.5
Embodied Energy, MJ/kg 710
19
Embodied Water, L/kg 310
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
440 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
23 to 28
Strength to Weight: Bending, points 50
22 to 24
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 72
21 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.34 to 0.42
Chromium (Cr), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
96.6 to 98.1
Manganese (Mn), % 0
1.4 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0