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Grade 35 Titanium vs. S42030 Stainless Steel

Grade 35 titanium belongs to the titanium alloys classification, while S42030 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 35 titanium and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
16
Fatigue Strength, MPa 330
250
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 580
410
Tensile Strength: Ultimate (UTS), MPa 1000
670
Tensile Strength: Yield (Proof), MPa 630
410

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
780
Melting Completion (Liquidus), °C 1630
1450
Melting Onset (Solidus), °C 1580
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.4
28
Thermal Expansion, µm/m-K 9.3
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 33
2.5
Embodied Energy, MJ/kg 530
34
Embodied Water, L/kg 170
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 61
24
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 3.0
7.7
Thermal Shock Resistance, points 70
24

Alloy Composition

Aluminum (Al), % 4.0 to 5.0
0
Carbon (C), % 0 to 0.080
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.2 to 0.8
77.6 to 85
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.5
1.0 to 3.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.4 to 93
0
Vanadium (V), % 1.1 to 2.1
0
Residuals, % 0 to 0.4
0