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Grade 28 Titanium vs. EN 1.0038 Steel

Grade 28 titanium belongs to the titanium alloys classification, while EN 1.0038 steel belongs to the iron alloys. There are 30 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 28 titanium and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
23 to 25
Fatigue Strength, MPa 330 to 480
140 to 160
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 420 to 590
240 to 270
Tensile Strength: Ultimate (UTS), MPa 690 to 980
380 to 430
Tensile Strength: Yield (Proof), MPa 540 to 810
200 to 220

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 330
400
Melting Completion (Liquidus), °C 1640
1460
Melting Onset (Solidus), °C 1590
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.3
49
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 37
1.4
Embodied Energy, MJ/kg 600
19
Embodied Water, L/kg 370
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 3100
110 to 130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43 to 61
13 to 15
Strength to Weight: Bending, points 39 to 49
15 to 16
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 47 to 66
12 to 13

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0 to 0.23
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
97.1 to 100
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0 to 0.014
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.55
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 92.4 to 95.4
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0