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AWS ERTi-7 vs. N08221 Nickel

AWS ERTi-7 belongs to the titanium alloys classification, while N08221 nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 340
610
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
980
Melting Completion (Liquidus), °C 1670
1440
Melting Onset (Solidus), °C 1620
1390
Specific Heat Capacity, J/kg-K 540
460
Thermal Expansion, µm/m-K 8.7
13

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 47
7.9
Embodied Energy, MJ/kg 800
110
Embodied Water, L/kg 470
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
170
Resilience: Unit (Modulus of Resilience), kJ/m3 360
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 26
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
22 to 33.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 0
39 to 46
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0.6 to 1.0