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S21460 Stainless Steel vs. R56406 Titanium

S21460 stainless steel belongs to the iron alloys classification, while R56406 titanium belongs to the titanium alloys. There are 25 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 S21460 stainless steel and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 46
9.1
Fatigue Strength, MPa 390
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 830
980
Tensile Strength: Yield (Proof), MPa 430
850

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 920
340
Melting Completion (Liquidus), °C 1380
1610
Melting Onset (Solidus), °C 1330
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Expansion, µm/m-K 18
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
36
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 3.0
38
Embodied Energy, MJ/kg 43
610
Embodied Water, L/kg 160
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
85
Resilience: Unit (Modulus of Resilience), kJ/m3 460
3420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 30
61
Strength to Weight: Bending, points 26
49
Thermal Shock Resistance, points 17
69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.3 to 63.7
0 to 0.3
Manganese (Mn), % 14 to 16
0
Nickel (Ni), % 5.0 to 6.0
0
Nitrogen (N), % 0.35 to 0.5
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
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5