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EN 2.4951 Nickel vs. Grade 250 Maraging Steel

EN 2.4951 nickel belongs to the nickel alloys classification, while grade 250 maraging steel belongs to the iron alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 2.4951 nickel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
7.3 to 17
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 76
75
Shear Strength, MPa 500
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 750
970 to 1800
Tensile Strength: Yield (Proof), MPa 270
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
32
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 9.3
4.9
Embodied Energy, MJ/kg 130
65
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
33 to 61
Strength to Weight: Bending, points 22
26 to 40
Thermal Shock Resistance, points 23
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.3
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 0 to 5.0
7.0 to 8.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
66.3 to 71.1
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 65.4 to 81.7
17 to 19
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.2 to 0.6
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020