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Nickel 725 vs. EN 1.1118 Cast Steel

Nickel 725 belongs to the nickel alloys classification, while EN 1.1118 cast steel belongs to the iron alloys. There are 27 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 EN 1.1118 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
14 to 21
Fatigue Strength, MPa 260
320 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 860
700 to 750
Tensile Strength: Yield (Proof), MPa 350
460 to 630

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1340
1460
Melting Onset (Solidus), °C 1270
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 13
12

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
1.9
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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
97 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
550 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
25 to 27
Strength to Weight: Bending, points 24
22 to 23
Thermal Shock Resistance, points 23
22 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 19 to 22.5
0
Iron (Fe), % 2.3 to 15.3
97.3 to 98.3
Manganese (Mn), % 0 to 0.35
1.5 to 1.8
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 0.020
Silicon (Si), % 0 to 0.2
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.7
0