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Grade 19 Titanium vs. S44536 Stainless Steel

Grade 19 titanium belongs to the titanium alloys classification, while S44536 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 19 titanium and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.6 to 17
22
Fatigue Strength, MPa 550 to 620
190
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 47
78
Shear Strength, MPa 550 to 750
290
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
460
Tensile Strength: Yield (Proof), MPa 870 to 1170
280

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 370
990
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1600
1390
Specific Heat Capacity, J/kg-K 520
480
Thermal Conductivity, W/m-K 6.2
21
Thermal Expansion, µm/m-K 9.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 5.0
7.7
Embodied Carbon, kg CO2/kg material 47
2.8
Embodied Energy, MJ/kg 760
41
Embodied Water, L/kg 230
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
89
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 49 to 72
17
Strength to Weight: Bending, points 41 to 53
17
Thermal Diffusivity, mm2/s 2.4
5.6
Thermal Shock Resistance, points 57 to 83
16

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 5.5 to 6.5
20 to 23
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
72.8 to 80
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
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 0.12
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 71.1 to 77
0 to 0.8
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0