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S66286 Stainless Steel vs. Grade 19 Titanium

S66286 stainless steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 28 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 S66286 stainless steel and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 17 to 40
5.6 to 17
Fatigue Strength, MPa 240 to 410
550 to 620
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
47
Shear Strength, MPa 420 to 630
550 to 750
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
890 to 1300
Tensile Strength: Yield (Proof), MPa 280 to 670
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 920
370
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1370
1600
Specific Heat Capacity, J/kg-K 470
520
Thermal Conductivity, W/m-K 15
6.2
Thermal Expansion, µm/m-K 17
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
45
Density, g/cm3 7.9
5.0
Embodied Carbon, kg CO2/kg material 6.0
47
Embodied Energy, MJ/kg 87
760
Embodied Water, L/kg 170
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
3040 to 5530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
33
Strength to Weight: Axial, points 22 to 36
49 to 72
Strength to Weight: Bending, points 20 to 28
41 to 53
Thermal Diffusivity, mm2/s 4.0
2.4
Thermal Shock Resistance, points 13 to 22
57 to 83

Alloy Composition

Aluminum (Al), % 0 to 0.35
3.0 to 4.0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 13.5 to 16
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 49.1 to 59.5
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 1.5
3.5 to 4.5
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 1.9 to 2.4
71.1 to 77
Vanadium (V), % 0.1 to 0.5
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants