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Nickel 625 vs. Nickel 725

Both nickel 625 and nickel 725 are nickel alloys. They have a moderately high 93% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
34
Fatigue Strength, MPa 240 to 320
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
78
Shear Strength, MPa 530 to 600
580
Tensile Strength: Ultimate (UTS), MPa 790 to 910
860
Tensile Strength: Yield (Proof), MPa 320 to 450
350

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1350
1340
Melting Onset (Solidus), °C 1290
1270
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
75
Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 14
13
Embodied Energy, MJ/kg 190
190
Embodied Water, L/kg 290
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
240
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
28
Strength to Weight: Bending, points 22 to 24
24
Thermal Shock Resistance, points 22 to 25
23

Alloy Composition

Aluminum (Al), % 0 to 0.4
0 to 0.35
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 23
19 to 22.5
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
2.3 to 15.3
Manganese (Mn), % 0 to 0.5
0 to 0.35
Molybdenum (Mo), % 8.0 to 10
7.0 to 9.5
Nickel (Ni), % 58 to 68.9
55 to 59
Niobium (Nb), % 3.2 to 4.2
2.8 to 4.0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.4
1.0 to 1.7