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Grade 6 Titanium vs. SAE-AISI 52100 Steel

Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI 52100 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 6 titanium and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
10 to 20
Fatigue Strength, MPa 290
250 to 340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
72
Shear Strength, MPa 530
370 to 420
Tensile Strength: Ultimate (UTS), MPa 890
590 to 2010
Tensile Strength: Yield (Proof), MPa 840
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
430
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
47
Thermal Expansion, µm/m-K 9.4
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.4
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
1.5
Embodied Energy, MJ/kg 480
20
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
350 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
21 to 72
Strength to Weight: Bending, points 46
20 to 45
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 65
19 to 61

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.93 to 1.1
Chromium (Cr), % 0
1.4 to 1.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
96.5 to 97.3
Manganese (Mn), % 0
0.25 to 0.45
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0