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AWS ERNi-1 vs. AWS ERTi-7

AWS ERNi-1 belongs to the nickel alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 23 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 ERNi-1 and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 22
20
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 69
40
Tensile Strength: Ultimate (UTS), MPa 470
340

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Melting Completion (Liquidus), °C 1360
1670
Melting Onset (Solidus), °C 1310
1620
Specific Heat Capacity, J/kg-K 450
540
Thermal Conductivity, W/m-K 73
21
Thermal Expansion, µm/m-K 11
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 19
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 11
47
Embodied Energy, MJ/kg 150
800
Embodied Water, L/kg 230
470

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 15
24
Thermal Diffusivity, mm2/s 19
8.8
Thermal Shock Resistance, points 17
26

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.030
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 1.0
0 to 0.12
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
99.417 to 99.8
Residuals, % 0 to 0.5
0