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R58150 Titanium vs. S32750 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while S32750 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 13
17
Fatigue Strength, MPa 330
360
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 52
81
Shear Strength, MPa 470
530
Tensile Strength: Ultimate (UTS), MPa 770
860
Tensile Strength: Yield (Proof), MPa 550
590

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1760
1450
Melting Onset (Solidus), °C 1700
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 8.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 48
21
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
4.1
Embodied Energy, MJ/kg 480
56
Embodied Water, L/kg 150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
860
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
31
Strength to Weight: Bending, points 35
26
Thermal Shock Resistance, points 48
25

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
58.1 to 66.8
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 14 to 16
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.050
0.24 to 0.32
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 83.5 to 86
0