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EN 2.4951 Nickel vs. EN 2.4856 Nickel

Both EN 2.4951 nickel and EN 2.4856 nickel are nickel alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is EN 2.4951 nickel and the bottom bar is EN 2.4856 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
28
Fatigue Strength, MPa 200
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
79
Shear Strength, MPa 500
570
Tensile Strength: Ultimate (UTS), MPa 750
880
Tensile Strength: Yield (Proof), MPa 270
430

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1150
1000
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 12
10
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
80
Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 9.3
14
Embodied Energy, MJ/kg 130
190
Embodied Water, L/kg 280
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
200
Resilience: Unit (Modulus of Resilience), kJ/m3 190
440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 3.1
2.7
Thermal Shock Resistance, points 23
29

Alloy Composition

Aluminum (Al), % 0 to 0.3
0 to 0.4
Carbon (C), % 0.080 to 0.15
0.030 to 0.1
Chromium (Cr), % 18 to 21
20 to 23
Cobalt (Co), % 0 to 5.0
0 to 1.0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 5.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 65.4 to 81.7
58 to 68.8
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.2 to 0.6
0 to 0.4