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S21603 Stainless Steel vs. Titanium 6-5-0.5

S21603 stainless steel belongs to the iron alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 45
6.7
Fatigue Strength, MPa 360
530
Poisson's Ratio 0.28
0.32
Reduction in Area, % 57
23
Shear Modulus, GPa 79
40
Shear Strength, MPa 490
630
Tensile Strength: Ultimate (UTS), MPa 690
1080
Tensile Strength: Yield (Proof), MPa 390
990

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 990
300
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1380
1560
Specific Heat Capacity, J/kg-K 480
550
Thermal Expansion, µm/m-K 17
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
41
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.6
33
Embodied Energy, MJ/kg 50
540
Embodied Water, L/kg 160
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
71
Resilience: Unit (Modulus of Resilience), kJ/m3 380
4630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
67
Strength to Weight: Bending, points 22
52
Thermal Shock Resistance, points 15
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 22
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.6 to 67.8
0 to 0.2
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0.25 to 0.75
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
85.6 to 90.1
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4