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Grade 34 Titanium vs. S41050 Stainless Steel

Grade 34 titanium belongs to the titanium alloys classification, while S41050 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 34 titanium and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
25
Fatigue Strength, MPa 310
160
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 320
300
Tensile Strength: Ultimate (UTS), MPa 510
470
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
720
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
27
Thermal Expansion, µm/m-K 8.7
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
7.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.9
Embodied Energy, MJ/kg 530
27
Embodied Water, L/kg 200
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
98
Resilience: Unit (Modulus of Resilience), kJ/m3 960
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 31
17
Thermal Diffusivity, mm2/s 8.4
7.2
Thermal Shock Resistance, points 39
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 0.1 to 0.2
10.5 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
84.2 to 88.9
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.35 to 0.55
0.6 to 1.1
Nitrogen (N), % 0 to 0.050
0 to 0.1
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.010 to 0.020
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98 to 99.52
0
Residuals, % 0 to 0.4
0