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Grade C-6 Titanium vs. S35315 Stainless Steel

Grade C-6 titanium belongs to the titanium alloys classification, while S35315 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 C-6 titanium and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290
190
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.0
46
Fatigue Strength, MPa 460
280
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
78
Tensile Strength: Ultimate (UTS), MPa 890
740
Tensile Strength: Yield (Proof), MPa 830
300

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1580
1370
Melting Onset (Solidus), °C 1530
1330
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
12
Thermal Expansion, µm/m-K 9.8
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
34
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
5.7
Embodied Energy, MJ/kg 480
81
Embodied Water, L/kg 190
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
270
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
26
Strength to Weight: Bending, points 46
23
Thermal Diffusivity, mm2/s 3.2
3.1
Thermal Shock Resistance, points 63
17

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.1
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 0.5
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.050
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
0
Residuals, % 0 to 0.4
0