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S21460 Stainless Steel vs. Grade 17 Titanium

S21460 stainless steel belongs to the iron alloys classification, while grade 17 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 grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 46
27
Fatigue Strength, MPa 390
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
38
Shear Strength, MPa 580
180
Tensile Strength: Ultimate (UTS), MPa 830
270
Tensile Strength: Yield (Proof), MPa 430
210

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 920
320
Melting Completion (Liquidus), °C 1380
1660
Melting Onset (Solidus), °C 1330
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 18
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 3.0
36
Embodied Energy, MJ/kg 43
600
Embodied Water, L/kg 160
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
68
Resilience: Unit (Modulus of Resilience), kJ/m3 460
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 30
17
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 17
21

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.3 to 63.7
0 to 0.2
Manganese (Mn), % 14 to 16
0
Nickel (Ni), % 5.0 to 6.0
0
Nitrogen (N), % 0.35 to 0.5
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.015 to 99.96
Residuals, % 0
0 to 0.4