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SAE-AISI 1065 Steel vs. Grade 28 Titanium

SAE-AISI 1065 steel belongs to the iron alloys classification, while grade 28 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1065 steel and the bottom bar is grade 28 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 14
11 to 17
Fatigue Strength, MPa 270 to 340
330 to 480
Poisson's Ratio 0.29
0.32
Reduction in Area, % 34 to 51
22
Shear Modulus, GPa 72
40
Shear Strength, MPa 430 to 470
420 to 590
Tensile Strength: Ultimate (UTS), MPa 710 to 780
690 to 980
Tensile Strength: Yield (Proof), MPa 430 to 550
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
330
Melting Completion (Liquidus), °C 1460
1640
Melting Onset (Solidus), °C 1420
1590
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 51
8.3
Thermal Expansion, µm/m-K 11
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
37
Embodied Energy, MJ/kg 19
600
Embodied Water, L/kg 46
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
1370 to 3100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 25 to 28
43 to 61
Strength to Weight: Bending, points 23 to 24
39 to 49
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 25 to 27
47 to 66

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.6 to 0.7
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.3 to 98.8
0 to 0.25
Manganese (Mn), % 0.6 to 0.9
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.080 to 0.14
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
92.4 to 95.4
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4