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AWS E409Nb vs. Grade 27 Titanium

AWS E409Nb belongs to the iron alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 23
27
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 500
270
Tensile Strength: Yield (Proof), MPa 380
230

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 14
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.9
33
Embodied Energy, MJ/kg 42
530
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70
Resilience: Unit (Modulus of Resilience), kJ/m3 380
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.8
8.8
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 11 to 14
0
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 80.2 to 88.5
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99 to 99.92
Residuals, % 0
0 to 0.4