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Grade C-6 Titanium vs. S20910 Stainless Steel

Grade C-6 titanium belongs to the titanium alloys classification, while S20910 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 grade C-6 titanium and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.0
14 to 39
Fatigue Strength, MPa 460
310 to 460
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
79
Tensile Strength: Ultimate (UTS), MPa 890
780 to 940
Tensile Strength: Yield (Proof), MPa 830
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 310
1080
Melting Completion (Liquidus), °C 1580
1420
Melting Onset (Solidus), °C 1530
1380
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
13
Thermal Expansion, µm/m-K 9.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
22
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
4.8
Embodied Energy, MJ/kg 480
68
Embodied Water, L/kg 190
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
460 to 1640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
28 to 33
Strength to Weight: Bending, points 46
24 to 27
Thermal Diffusivity, mm2/s 3.2
3.6
Thermal Shock Resistance, points 63
17 to 21

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
52.1 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.050
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
0
Vanadium (V), % 0
0.1 to 0.3
Residuals, % 0 to 0.4
0