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Nickel 725 vs. SAE-AISI M52 Steel

Nickel 725 belongs to the nickel alloys classification, while SAE-AISI M52 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is SAE-AISI M52 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 860
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1340
1510
Melting Onset (Solidus), °C 1270
1470
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 13
7.5
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 270
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
25 to 80
Strength to Weight: Bending, points 24
22 to 49
Thermal Shock Resistance, points 23
21 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 19 to 22.5
3.5 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.3 to 15.3
84.4 to 88.9
Manganese (Mn), % 0 to 0.35
0.15 to 0.45
Molybdenum (Mo), % 7.0 to 9.5
4.0 to 4.9
Nickel (Ni), % 55 to 59
0 to 0.3
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.2
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.0 to 1.7
0
Tungsten (W), % 0
0.75 to 1.5
Vanadium (V), % 0
1.7 to 2.3