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Grade 6 Titanium vs. S41041 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while S41041 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 6 titanium and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 290
350
Poisson's Ratio 0.32
0.28
Reduction in Area, % 27
56
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
560
Tensile Strength: Ultimate (UTS), MPa 890
910
Tensile Strength: Yield (Proof), MPa 840
580

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 310
740
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
29
Thermal Expansion, µm/m-K 9.4
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
2.2
Embodied Energy, MJ/kg 480
31
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
32
Strength to Weight: Bending, points 46
27
Thermal Diffusivity, mm2/s 3.2
7.8
Thermal Shock Resistance, points 65
33

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0 to 0.050
Carbon (C), % 0 to 0.080
0.13 to 0.18
Chromium (Cr), % 0
11.5 to 13
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
84.5 to 87.8
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0