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Nickel 725 vs. EN 1.5515 Steel

Nickel 725 belongs to the nickel alloys classification, while EN 1.5515 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is EN 1.5515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 45
64 to 69
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 860
490 to 1760

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
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.2

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
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
17 to 63
Strength to Weight: Bending, points 24
18 to 41
Thermal Shock Resistance, points 23
14 to 52

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.35 to 0.4
Chromium (Cr), % 19 to 22.5
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.3 to 15.3
97.8 to 98.9
Manganese (Mn), % 0 to 0.35
0.6 to 0.9
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 0.025
Silicon (Si), % 0 to 0.2
0.15 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 1.0 to 1.7
0