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Nickel 725 vs. SAE-AISI H24 Steel

Nickel 725 belongs to the nickel alloys classification, while SAE-AISI H24 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is SAE-AISI H24 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
78
Tensile Strength: Ultimate (UTS), MPa 860
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Melting Completion (Liquidus), °C 1340
1750
Melting Onset (Solidus), °C 1270
1700
Specific Heat Capacity, J/kg-K 440
420
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
37
Density, g/cm3 8.5
9.1
Embodied Carbon, kg CO2/kg material 13
6.1
Embodied Energy, MJ/kg 190
93
Embodied Water, L/kg 270
78

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 28
22 to 61
Strength to Weight: Bending, points 24
20 to 39
Thermal Shock Resistance, points 23
22 to 61

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0.42 to 0.53
Chromium (Cr), % 19 to 22.5
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.3 to 15.3
78 to 82.4
Manganese (Mn), % 0 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 7.0 to 9.5
0
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
14 to 16
Vanadium (V), % 0
0.4 to 0.6