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Grade 32 Titanium vs. S43932 Stainless Steel

Grade 32 titanium belongs to the titanium alloys classification, while S43932 stainless steel belongs to the iron alloys. There are 30 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 grade 32 titanium and the bottom bar is S43932 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 390
160
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 460
300
Tensile Strength: Ultimate (UTS), MPa 770
460
Tensile Strength: Yield (Proof), MPa 670
230

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 310
890
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.5
23
Thermal Expansion, µm/m-K 8.2
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 38
12
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
2.7
Embodied Energy, MJ/kg 530
40
Embodied Water, L/kg 180
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
96
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 47
17
Strength to Weight: Bending, points 41
17
Thermal Diffusivity, mm2/s 3.0
6.3
Thermal Shock Resistance, points 63
16

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0 to 0.15
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
17 to 19
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
76.7 to 83
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0.6 to 1.2
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 0.75
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.14
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0.2 to 0.75
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0