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Nickel 725 vs. Nickel 201

Both nickel 725 and nickel 201 are nickel alloys. They have 57% 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 725 and the bottom bar is nickel 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
4.5 to 45
Fatigue Strength, MPa 260
42 to 210
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 78
70
Shear Strength, MPa 580
270 to 380
Tensile Strength: Ultimate (UTS), MPa 860
390 to 660
Tensile Strength: Yield (Proof), MPa 350
80 to 510

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1340
1450
Melting Onset (Solidus), °C 1270
1440
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
19
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
19

Otherwise Unclassified Properties

Base Metal Price, % relative 75
65
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 13
11
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 270
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
25 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
17 to 720
Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 28
12 to 20
Strength to Weight: Bending, points 24
13 to 19
Thermal Shock Resistance, points 23
11 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 19 to 22.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.3 to 15.3
0 to 0.4
Manganese (Mn), % 0 to 0.35
0 to 0.35
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
99 to 100
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.2
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.0 to 1.7
0