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R56406 Titanium vs. S30415 Stainless Steel

R56406 titanium belongs to the titanium alloys classification, while S30415 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R56406 titanium and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
45
Fatigue Strength, MPa 480
300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 980
670
Tensile Strength: Yield (Proof), MPa 850
330

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
940
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
21
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 38
3.1
Embodied Energy, MJ/kg 610
43
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
250
Resilience: Unit (Modulus of Resilience), kJ/m3 3420
280
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 2.8
5.6
Thermal Shock Resistance, points 69
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
18 to 19
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
67.8 to 71.8
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
9.0 to 10
Nitrogen (N), % 0 to 0.050
0.12 to 0.18
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.1 to 91
0
Vanadium (V), % 3.5 to 4.5
0