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AWS E2595 vs. Grade 18 Titanium

AWS E2595 belongs to the iron alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E2595 and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
11 to 17
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 850
690 to 980

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Melting Completion (Liquidus), °C 1450
1640
Melting Onset (Solidus), °C 1400
1590
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 16
8.3
Thermal Expansion, µm/m-K 14
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.4
41
Embodied Energy, MJ/kg 61
670
Embodied Water, L/kg 190
270

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 30
43 to 61
Strength to Weight: Bending, points 25
39 to 49
Thermal Diffusivity, mm2/s 4.2
3.4
Thermal Shock Resistance, points 21
47 to 67

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.040
0 to 0.080
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0.4 to 1.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 51.4 to 64.5
0 to 0.25
Manganese (Mn), % 0 to 2.5
0
Molybdenum (Mo), % 2.5 to 4.5
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.2 to 0.3
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.2
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
92.5 to 95.5
Tungsten (W), % 0.4 to 1.0
0
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4