MakeItFrom.com
Menu (ESC)

Annealed Grade 18 Titanium vs. Annealed SAE-AISI H43

Annealed grade 18 titanium belongs to the titanium alloys classification, while annealed SAE-AISI H43 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is annealed grade 18 titanium and the bottom bar is annealed SAE-AISI H43.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 710
710

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Melting Completion (Liquidus), °C 1640
1530
Melting Onset (Solidus), °C 1590
1480
Specific Heat Capacity, J/kg-K 550
460
Thermal Conductivity, W/m-K 8.3
30
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 41
8.2
Embodied Energy, MJ/kg 670
120
Embodied Water, L/kg 270
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 44
25
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 3.4
8.3
Thermal Shock Resistance, points 48
21

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.5 to 0.65
Chromium (Cr), % 0
3.8 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
83.2 to 85.9
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 8.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
1.8 to 2.2
Residuals, % 0 to 0.4
0