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Nickel 725 vs. K93500 Alloy

Nickel 725 belongs to the nickel alloys classification, while K93500 alloy belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is K93500 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 860
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1340
1430
Melting Onset (Solidus), °C 1270
1380
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
30
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 13
4.7
Embodied Energy, MJ/kg 190
65
Embodied Water, L/kg 270
130

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28
17 to 27
Strength to Weight: Bending, points 24
17 to 23
Thermal Shock Resistance, points 23
15 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 19 to 22.5
0 to 0.25
Cobalt (Co), % 0
5.0
Iron (Fe), % 2.3 to 15.3
61.4 to 63
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.35
0 to 0.6
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
32
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 0.25
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.7
0 to 0.1
Zirconium (Zr), % 0
0 to 0.1