MakeItFrom.com
Menu (ESC)

Annealed Grade 9 Titanium vs. Annealed SAE-AISI O7

Annealed grade 9 titanium belongs to the titanium alloys classification, while annealed SAE-AISI O7 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is annealed grade 9 titanium and the bottom bar is annealed SAE-AISI O7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
21
Fatigue Strength, MPa 350
290
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 430
430
Tensile Strength: Ultimate (UTS), MPa 700
680
Tensile Strength: Yield (Proof), MPa 550
410

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1640
1480
Melting Onset (Solidus), °C 1590
1430
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.1
41
Thermal Expansion, µm/m-K 9.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
6.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 36
2.3
Embodied Energy, MJ/kg 580
33
Embodied Water, L/kg 150
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1410
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43
24
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 52
23

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
1.1 to 1.3
Chromium (Cr), % 0
0.35 to 0.85
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
92.9 to 97.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.6 to 95.5
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 2.0 to 3.0
0 to 0.4
Residuals, % 0 to 0.4
0