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Grade 20 Titanium vs. SAE-AISI 1132 Steel

Grade 20 titanium belongs to the titanium alloys classification, while SAE-AISI 1132 steel belongs to the iron alloys. There are 26 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 20 titanium and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 5.7 to 17
14 to 18
Fatigue Strength, MPa 550 to 630
240 to 380
Poisson's Ratio 0.32
0.29
Reduction in Area, % 23
39 to 46
Shear Modulus, GPa 47
73
Shear Strength, MPa 560 to 740
400 to 440
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
640 to 720
Tensile Strength: Yield (Proof), MPa 850 to 1190
350 to 590

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
1.4
Embodied Energy, MJ/kg 860
19
Embodied Water, L/kg 350
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
24
Strength to Weight: Axial, points 50 to 70
23 to 25
Strength to Weight: Bending, points 41 to 52
21 to 23
Thermal Shock Resistance, points 55 to 77
19 to 22

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0.24 to 0.34
Chromium (Cr), % 5.5 to 6.5
0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
97.8 to 98.3
Manganese (Mn), % 0
1.4 to 1.7
Molybdenum (Mo), % 3.5 to 4.5
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 0.040
Sulfur (S), % 0
0.080 to 0.13
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

Comparable Variants