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EN 1.4889 Cast Nickel vs. Grade N7M Nickel

Both EN 1.4889 cast nickel and grade N7M nickel are nickel alloys. They have 47% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4889 cast nickel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 3.4
22
Fatigue Strength, MPa 110
190
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 500
590
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Maximum Temperature: Mechanical, °C 1160
900
Melting Completion (Liquidus), °C 1360
1650
Melting Onset (Solidus), °C 1320
1590
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 14
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 55
75
Density, g/cm3 7.9
9.3
Embodied Carbon, kg CO2/kg material 8.5
16
Embodied Energy, MJ/kg 120
200
Embodied Water, L/kg 280
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.070
Chromium (Cr), % 32.5 to 37.5
0 to 1.0
Iron (Fe), % 10.5 to 21.2
0 to 3.0
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 42 to 46
60.9 to 70
Niobium (Nb), % 1.5 to 2.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.5 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030