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Grade 34 Titanium vs. SAE-AISI 1552 Steel

Grade 34 titanium belongs to the titanium alloys classification, while SAE-AISI 1552 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 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
11 to 14
Fatigue Strength, MPa 310
290 to 400
Poisson's Ratio 0.32
0.29
Reduction in Area, % 34
34 to 46
Shear Modulus, GPa 41
72
Shear Strength, MPa 320
460 to 510
Tensile Strength: Ultimate (UTS), MPa 510
760 to 840
Tensile Strength: Yield (Proof), MPa 450
460 to 650

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
51
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 530
19
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 960
560 to 1130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 31
27 to 30
Strength to Weight: Bending, points 31
24 to 25
Thermal Diffusivity, mm2/s 8.4
14
Thermal Shock Resistance, points 39
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.080
0.47 to 0.55
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
97.9 to 98.3
Manganese (Mn), % 0
1.2 to 1.5
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