MakeItFrom.com
Menu (ESC)

Grade 17 Titanium vs. S40920 Stainless Steel

Grade 17 titanium belongs to the titanium alloys classification, while S40920 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 17 titanium and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
22
Fatigue Strength, MPa 160
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
75
Shear Strength, MPa 180
270
Tensile Strength: Ultimate (UTS), MPa 270
430
Tensile Strength: Yield (Proof), MPa 210
190

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
710
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 23
26
Thermal Expansion, µm/m-K 8.7
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 36
2.0
Embodied Energy, MJ/kg 600
28
Embodied Water, L/kg 230
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68
78
Resilience: Unit (Modulus of Resilience), kJ/m3 220
97
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 9.3
6.9
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
85.1 to 89.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.015 to 99.96
0.15 to 0.5
Residuals, % 0 to 0.4
0