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SAE-AISI 1023 Steel vs. Grade 2 Titanium

SAE-AISI 1023 steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 32 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 1023 steel and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 29
23
Fatigue Strength, MPa 180 to 270
250
Poisson's Ratio 0.29
0.32
Reduction in Area, % 46 to 56
37
Shear Modulus, GPa 73
38
Shear Strength, MPa 280 to 300
270
Tensile Strength: Ultimate (UTS), MPa 430 to 480
420
Tensile Strength: Yield (Proof), MPa 240 to 410
360

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 53
22
Thermal Expansion, µm/m-K 12
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.4
31
Embodied Energy, MJ/kg 18
510
Embodied Water, L/kg 45
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
92
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 450
600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 15 to 17
26
Strength to Weight: Bending, points 16 to 17
28
Thermal Diffusivity, mm2/s 14
8.9
Thermal Shock Resistance, points 14 to 15
32

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 99.06 to 99.5
0 to 0.3
Manganese (Mn), % 0.3 to 0.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
98.9 to 100
Residuals, % 0
0 to 0.4