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S35140 Stainless Steel vs. R58150 Titanium

S35140 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 S35140 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 250
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
52
Shear Strength, MPa 460
470
Tensile Strength: Ultimate (UTS), MPa 690
770
Tensile Strength: Yield (Proof), MPa 310
550

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1420
1760
Melting Onset (Solidus), °C 1370
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 16
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
48
Density, g/cm3 8.0
5.4
Embodied Carbon, kg CO2/kg material 5.5
31
Embodied Energy, MJ/kg 78
480
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 24
40
Strength to Weight: Bending, points 22
35
Thermal Shock Resistance, points 16
48

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 20 to 22
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 44.1 to 52.7
0 to 0.1
Manganese (Mn), % 1.0 to 3.0
0
Molybdenum (Mo), % 1.0 to 2.0
14 to 16
Nickel (Ni), % 25 to 27
0
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86