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Titanium 4-4-2 vs. S35315 Stainless Steel

Titanium 4-4-2 belongs to the titanium alloys classification, while S35315 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
46
Fatigue Strength, MPa 590 to 620
280
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 42
78
Shear Strength, MPa 690 to 750
520
Tensile Strength: Ultimate (UTS), MPa 1150 to 1250
740
Tensile Strength: Yield (Proof), MPa 1030 to 1080
300

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1610
1370
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.7
12
Thermal Expansion, µm/m-K 8.6
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
34
Density, g/cm3 4.7
7.9
Embodied Carbon, kg CO2/kg material 30
5.7
Embodied Energy, MJ/kg 480
81
Embodied Water, L/kg 180
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 4700 to 5160
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 68 to 74
26
Strength to Weight: Bending, points 52 to 55
23
Thermal Diffusivity, mm2/s 2.6
3.1
Thermal Shock Resistance, points 86 to 93
17

Alloy Composition

Aluminum (Al), % 3.0 to 5.0
0
Carbon (C), % 0 to 0.080
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0 to 0.050
0.12 to 0.18
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.3 to 0.7
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 85.8 to 92.2
0
Residuals, % 0 to 0.4
0