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AWS ER80S-D2 vs. Grade 7 Titanium

AWS ER80S-D2 belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-D2 and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19
24
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
38
Tensile Strength: Ultimate (UTS), MPa 620
420
Tensile Strength: Yield (Proof), MPa 540
340

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 47
22
Thermal Expansion, µm/m-K 13
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.6
47
Embodied Energy, MJ/kg 21
800
Embodied Water, L/kg 50
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 770
560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 21
28
Thermal Diffusivity, mm2/s 13
8.9
Thermal Shock Resistance, points 18
31

Alloy Composition

Carbon (C), % 0.070 to 0.12
0 to 0.080
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.2 to 97.4
0 to 0.3
Manganese (Mn), % 1.6 to 2.1
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.15
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.7 to 99.88
Residuals, % 0
0 to 0.4