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Grade 13 Titanium vs. S44536 Stainless Steel

Grade 13 titanium belongs to the titanium alloys classification, while S44536 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 13 titanium and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
22
Fatigue Strength, MPa 140
190
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
78
Shear Strength, MPa 200
290
Tensile Strength: Ultimate (UTS), MPa 310
460
Tensile Strength: Yield (Proof), MPa 190
280

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
990
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
2.8
Embodied Energy, MJ/kg 520
41
Embodied Water, L/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
89
Resilience: Unit (Modulus of Resilience), kJ/m3 180
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 8.9
5.6
Thermal Shock Resistance, points 24
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 0
20 to 23
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
72.8 to 80
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.4 to 0.6
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.8
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.5 to 99.56
0 to 0.8
Residuals, % 0 to 0.4
0