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Grade 25 Titanium vs. SAE-AISI 1006 Steel

Grade 25 titanium belongs to the titanium alloys classification, while SAE-AISI 1006 steel belongs to the iron alloys. There are 30 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 grade 25 titanium and the bottom bar is SAE-AISI 1006 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
22 to 33
Fatigue Strength, MPa 550
140 to 210
Poisson's Ratio 0.32
0.29
Reduction in Area, % 29
49 to 62
Shear Modulus, GPa 40
73
Shear Strength, MPa 600
230
Tensile Strength: Ultimate (UTS), MPa 1000
340 to 370
Tensile Strength: Yield (Proof), MPa 940
180 to 300

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
Melting Completion (Liquidus), °C 1610
1470
Melting Onset (Solidus), °C 1560
1430
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
53
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 43
1.4
Embodied Energy, MJ/kg 700
18
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
75 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 4220
86 to 240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 62
12 to 13
Strength to Weight: Bending, points 50
14 to 15
Thermal Diffusivity, mm2/s 2.8
14
Thermal Shock Resistance, points 71
10 to 11

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
99.43 to 99.75
Manganese (Mn), % 0
0.25 to 0.4
Nickel (Ni), % 0.3 to 0.8
0
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 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 86.7 to 90.6
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0