MakeItFrom.com
Menu (ESC)

Grade 20 Titanium vs. SAE-AISI 4626 Steel

Grade 20 titanium belongs to the titanium alloys classification, while SAE-AISI 4626 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is SAE-AISI 4626 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 5.7 to 17
25
Fatigue Strength, MPa 550 to 630
240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 47
73
Shear Strength, MPa 560 to 740
320
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
500
Tensile Strength: Yield (Proof), MPa 850 to 1190
330

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 370
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1600
1420
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.6
13

Otherwise Unclassified Properties

Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 52
1.5
Embodied Energy, MJ/kg 860
20
Embodied Water, L/kg 350
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
24
Strength to Weight: Axial, points 50 to 70
18
Strength to Weight: Bending, points 41 to 52
18
Thermal Shock Resistance, points 55 to 77
15

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0.24 to 0.29
Chromium (Cr), % 5.5 to 6.5
0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
97.4 to 98.3
Manganese (Mn), % 0
0.45 to 0.65
Molybdenum (Mo), % 3.5 to 4.5
0.15 to 0.25
Nickel (Ni), % 0
0.7 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0