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S32101 Stainless Steel vs. R58150 Titanium

S32101 stainless steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium 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 S32101 stainless steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
13
Fatigue Strength, MPa 400
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
52
Shear Strength, MPa 490
470
Tensile Strength: Ultimate (UTS), MPa 740
770
Tensile Strength: Yield (Proof), MPa 500
550

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 1000
320
Melting Completion (Liquidus), °C 1420
1760
Melting Onset (Solidus), °C 1370
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
48
Density, g/cm3 7.7
5.4
Embodied Carbon, kg CO2/kg material 2.6
31
Embodied Energy, MJ/kg 38
480
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
94
Resilience: Unit (Modulus of Resilience), kJ/m3 640
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 24
35
Thermal Shock Resistance, points 20
48

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 21 to 22
0
Copper (Cu), % 0.1 to 0.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 67.3 to 73.3
0 to 0.1
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 0.1 to 0.8
14 to 16
Nickel (Ni), % 1.4 to 1.7
0
Nitrogen (N), % 0.2 to 0.25
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86