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R58150 Titanium vs. S28200 Stainless Steel

R58150 titanium belongs to the titanium alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
45
Fatigue Strength, MPa 330
430
Poisson's Ratio 0.32
0.28
Reduction in Area, % 68
57
Shear Modulus, GPa 52
77
Shear Strength, MPa 470
610
Tensile Strength: Ultimate (UTS), MPa 770
870
Tensile Strength: Yield (Proof), MPa 550
460

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1760
1380
Melting Onset (Solidus), °C 1700
1330
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 8.4
18

Otherwise Unclassified Properties

Base Metal Price, % relative 48
12
Density, g/cm3 5.4
7.6
Embodied Carbon, kg CO2/kg material 31
2.8
Embodied Energy, MJ/kg 480
41
Embodied Water, L/kg 150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
330
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 32
26
Strength to Weight: Axial, points 40
32
Strength to Weight: Bending, points 35
27
Thermal Shock Resistance, points 48
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
57.7 to 64.1
Manganese (Mn), % 0
17 to 19
Molybdenum (Mo), % 14 to 16
0.75 to 1.3
Nitrogen (N), % 0 to 0.050
0.4 to 0.6
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 83.5 to 86
0