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Grade 4 Titanium vs. S32906 Stainless Steel

Grade 4 titanium belongs to the titanium alloys classification, while S32906 stainless steel belongs to the iron alloys. There are 31 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 4 titanium and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
270
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 17
28
Fatigue Strength, MPa 340
460
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
81
Shear Strength, MPa 390
550
Tensile Strength: Ultimate (UTS), MPa 640
850
Tensile Strength: Yield (Proof), MPa 530
620

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1430
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 19
13
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
3.7
Embodied Energy, MJ/kg 500
52
Embodied Water, L/kg 110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1330
950
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 40
30
Strength to Weight: Bending, points 37
26
Thermal Diffusivity, mm2/s 7.6
3.6
Thermal Shock Resistance, points 46
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
56.6 to 63.6
Manganese (Mn), % 0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0 to 0.050
0.3 to 0.4
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0