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Grade 34 Titanium vs. SAE-AISI 1023 Steel

Grade 34 titanium belongs to the titanium alloys classification, while SAE-AISI 1023 steel belongs to the iron 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 grade 34 titanium and the bottom bar is SAE-AISI 1023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
17 to 29
Fatigue Strength, MPa 310
180 to 270
Poisson's Ratio 0.32
0.29
Reduction in Area, % 34
46 to 56
Shear Modulus, GPa 41
73
Shear Strength, MPa 320
280 to 300
Tensile Strength: Ultimate (UTS), MPa 510
430 to 480
Tensile Strength: Yield (Proof), MPa 450
240 to 410

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
53
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 530
18
Embodied Water, L/kg 200
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 960
150 to 450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 31
15 to 17
Strength to Weight: Bending, points 31
16 to 17
Thermal Diffusivity, mm2/s 8.4
14
Thermal Shock Resistance, points 39
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.25
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
99.06 to 99.5
Manganese (Mn), % 0
0.3 to 0.6
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.010 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.020 to 0.040
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 98 to 99.52
0
Residuals, % 0 to 0.4
0