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AWS E3155 vs. R56401 Titanium

AWS E3155 belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
9.1
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 770
940

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 450
560
Thermal Conductivity, W/m-K 13
7.1
Thermal Expansion, µm/m-K 13
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 7.7
38
Embodied Energy, MJ/kg 110
610
Embodied Water, L/kg 300
200

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
59
Strength to Weight: Bending, points 22
48
Thermal Diffusivity, mm2/s 3.3
2.9
Thermal Shock Resistance, points 20
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 23.3 to 36.3
0 to 0.25
Manganese (Mn), % 1.0 to 2.5
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.5 to 91
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
3.5 to 4.5