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R58150 Titanium vs. S39277 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while S39277 stainless steel belongs to the iron alloys. There are 27 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 R58150 titanium and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
28
Fatigue Strength, MPa 330
480
Poisson's Ratio 0.32
0.27
Reduction in Area, % 68
57
Shear Modulus, GPa 52
80
Shear Strength, MPa 470
600
Tensile Strength: Ultimate (UTS), MPa 770
930
Tensile Strength: Yield (Proof), MPa 550
660

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1760
1460
Melting Onset (Solidus), °C 1700
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 8.4
13

Otherwise Unclassified Properties

Base Metal Price, % relative 48
23
Density, g/cm3 5.4
7.9
Embodied Carbon, kg CO2/kg material 31
4.2
Embodied Energy, MJ/kg 480
59
Embodied Water, L/kg 150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
33
Strength to Weight: Bending, points 35
27
Thermal Shock Resistance, points 48
26

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
56.8 to 64.3
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 14 to 16
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.0
Nitrogen (N), % 0 to 0.050
0.23 to 0.33
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0020
Titanium (Ti), % 83.5 to 86
0
Tungsten (W), % 0
0.8 to 1.2