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S20910 Stainless Steel vs. Grade 11 Titanium

S20910 stainless steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
120
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14 to 39
29
Fatigue Strength, MPa 310 to 460
170
Poisson's Ratio 0.28
0.32
Reduction in Area, % 56 to 62
37
Shear Modulus, GPa 79
38
Shear Strength, MPa 500 to 570
200
Tensile Strength: Ultimate (UTS), MPa 780 to 940
310
Tensile Strength: Yield (Proof), MPa 430 to 810
230

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1080
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 13
22
Thermal Expansion, µm/m-K 16
9.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.8
47
Embodied Energy, MJ/kg 68
800
Embodied Water, L/kg 180
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
81
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 28 to 33
19
Strength to Weight: Bending, points 24 to 27
22
Thermal Diffusivity, mm2/s 3.6
8.9
Thermal Shock Resistance, points 17 to 21
22

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 23.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 52.1 to 62.1
0 to 0.2
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.88
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.4