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Nickel 725 vs. SAE-AISI 51B60 Steel

Nickel 725 belongs to the nickel alloys classification, while SAE-AISI 51B60 steel belongs to the iron alloys. 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 SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 21
Fatigue Strength, MPa 260
280 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 580
390 to 420
Tensile Strength: Ultimate (UTS), MPa 860
660
Tensile Strength: Yield (Proof), MPa 350
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1340
1450
Melting Onset (Solidus), °C 1270
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.1
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 190
19
Embodied Water, L/kg 270
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 300
420 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.56 to 0.64
Chromium (Cr), % 19 to 22.5
0.7 to 0.9
Iron (Fe), % 2.3 to 15.3
97 to 97.8
Manganese (Mn), % 0 to 0.35
0.75 to 1.0
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
0
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.2
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.0 to 1.7
0