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R58150 Titanium vs. S32654 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while S32654 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 S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 13
45
Fatigue Strength, MPa 330
450
Poisson's Ratio 0.32
0.28
Reduction in Area, % 68
46
Shear Modulus, GPa 52
82
Shear Strength, MPa 470
590
Tensile Strength: Ultimate (UTS), MPa 770
850
Tensile Strength: Yield (Proof), MPa 550
490

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1760
1450
Melting Onset (Solidus), °C 1700
1410
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 8.4
15

Otherwise Unclassified Properties

Base Metal Price, % relative 48
34
Density, g/cm3 5.4
8.0
Embodied Carbon, kg CO2/kg material 31
6.4
Embodied Energy, MJ/kg 480
87
Embodied Water, L/kg 150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
330
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 35
25
Thermal Shock Resistance, points 48
19

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
38.3 to 45.3
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 14 to 16
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0 to 0.050
0.45 to 0.55
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 83.5 to 86
0