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EN 2.4951 Nickel vs. EN 2.4851 Nickel

Both EN 2.4951 nickel and EN 2.4851 nickel are nickel alloys. Both are furnished in the solution annealed (AT) condition. They have 84% 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 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 500
430
Tensile Strength: Ultimate (UTS), MPa 750
650
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1150
1200
Melting Completion (Liquidus), °C 1360
1360
Melting Onset (Solidus), °C 1310
1310
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
11
Thermal Expansion, µm/m-K 12
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
49
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 9.3
8.1
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 280
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.1
2.9
Thermal Shock Resistance, points 23
17

Alloy Composition

Aluminum (Al), % 0 to 0.3
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.080 to 0.15
0.030 to 0.1
Chromium (Cr), % 18 to 21
21 to 25
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 5.0
7.7 to 18
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 65.4 to 81.7
58 to 63
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 0.5