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AISI 205 Stainless Steel vs. R58150 Titanium

AISI 205 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 (4, in this case) are not shown.

For each property being compared, the top bar is AISI 205 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, % 11 to 51
13
Fatigue Strength, MPa 410 to 640
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
52
Shear Strength, MPa 560 to 850
470
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
770
Tensile Strength: Yield (Proof), MPa 450 to 1100
550

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 880
320
Melting Completion (Liquidus), °C 1380
1760
Melting Onset (Solidus), °C 1340
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 18
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
48
Density, g/cm3 7.6
5.4
Embodied Carbon, kg CO2/kg material 2.6
31
Embodied Energy, MJ/kg 37
480
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
94
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
32
Strength to Weight: Axial, points 29 to 52
40
Strength to Weight: Bending, points 25 to 37
35
Thermal Shock Resistance, points 16 to 29
48

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.1
Chromium (Cr), % 16.5 to 18.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.6 to 68.1
0 to 0.1
Manganese (Mn), % 14 to 15.5
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 1.0 to 1.7
0
Nitrogen (N), % 0.32 to 0.4
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86