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Grade 27 Titanium vs. S36200 Stainless Steel

Grade 27 titanium belongs to the titanium alloys classification, while S36200 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
3.4 to 4.6
Fatigue Strength, MPa 170
450 to 570
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 180
680 to 810
Tensile Strength: Ultimate (UTS), MPa 270
1180 to 1410
Tensile Strength: Yield (Proof), MPa 230
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
820
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
2.8
Embodied Energy, MJ/kg 530
40
Embodied Water, L/kg 320
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 240
2380 to 3930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
42 to 50
Strength to Weight: Bending, points 21
32 to 36
Thermal Diffusivity, mm2/s 8.8
4.3
Thermal Shock Resistance, points 21
40 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
14 to 14.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
75.4 to 79.5
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
6.5 to 7.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99 to 99.92
0.6 to 0.9
Residuals, % 0 to 0.4
0