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Grade 19 Titanium vs. S20432 Stainless Steel

Grade 19 titanium belongs to the titanium alloys classification, while S20432 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 S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.6 to 17
45
Fatigue Strength, MPa 550 to 620
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 47
76
Shear Strength, MPa 550 to 750
400
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
580
Tensile Strength: Yield (Proof), MPa 870 to 1170
230

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 370
900
Melting Completion (Liquidus), °C 1660
1410
Melting Onset (Solidus), °C 1600
1370
Specific Heat Capacity, J/kg-K 520
480
Thermal Conductivity, W/m-K 6.2
15
Thermal Expansion, µm/m-K 9.1
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 47
2.7
Embodied Energy, MJ/kg 760
38
Embodied Water, L/kg 230
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 49 to 72
21
Strength to Weight: Bending, points 41 to 53
20
Thermal Diffusivity, mm2/s 2.4
4.0
Thermal Shock Resistance, points 57 to 83
13

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 5.5 to 6.5
17 to 18
Copper (Cu), % 0
2.0 to 3.0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
66.7 to 74
Manganese (Mn), % 0
3.0 to 5.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0 to 0.030
0.050 to 0.2
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 71.1 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0