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AWS ERTi-7 vs. Nickel 625

AWS ERTi-7 belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
33 to 34
Fatigue Strength, MPa 190
240 to 320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 340
790 to 910
Tensile Strength: Yield (Proof), MPa 280
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
980
Melting Completion (Liquidus), °C 1670
1350
Melting Onset (Solidus), °C 1620
1290
Specific Heat Capacity, J/kg-K 540
440
Thermal Conductivity, W/m-K 21
11
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
1.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.6
Embodied Carbon, kg CO2/kg material 47
14
Embodied Energy, MJ/kg 800
190
Embodied Water, L/kg 470
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 360
260 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 21
26 to 29
Strength to Weight: Bending, points 24
22 to 24
Thermal Diffusivity, mm2/s 8.8
2.9
Thermal Shock Resistance, points 26
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.417 to 99.8
0 to 0.4