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Grade 1 Titanium vs. S32003 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while S32003 stainless steel belongs to the iron alloys. There are 31 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 1 titanium and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
28
Fatigue Strength, MPa 170
370
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 39
79
Shear Strength, MPa 200
480
Tensile Strength: Ultimate (UTS), MPa 310
730
Tensile Strength: Yield (Proof), MPa 220
510

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1010
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 20
15
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
14
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
3.0
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
180
Resilience: Unit (Modulus of Resilience), kJ/m3 230
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 8.2
4.0
Thermal Shock Resistance, points 24
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
19.5 to 22.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
68.2 to 75.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
3.0 to 4.0
Nitrogen (N), % 0 to 0.030
0.14 to 0.2
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0