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Nickel 725 vs. SAE-AISI M62 Steel

Nickel 725 belongs to the nickel alloys classification, while SAE-AISI M62 steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 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 M62 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 860
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1340
1650
Melting Onset (Solidus), °C 1270
1600
Specific Heat Capacity, J/kg-K 440
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
30
Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 13
10
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 270
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28
27 to 80
Strength to Weight: Bending, points 24
23 to 47
Thermal Shock Resistance, points 23
24 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
1.3 to 1.4
Chromium (Cr), % 19 to 22.5
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.3 to 15.3
73.6 to 77.4
Manganese (Mn), % 0 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 7.0 to 9.5
10 to 11
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
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.0 to 1.7
0
Tungsten (W), % 0
5.8 to 6.5
Vanadium (V), % 0
1.8 to 2.1