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EN 2.4951 Nickel vs. EN 1.4948 Stainless Steel

EN 2.4951 nickel belongs to the nickel alloys classification, while EN 1.4948 stainless steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4951 nickel and the bottom bar is EN 1.4948 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
48
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 500
430
Tensile Strength: Ultimate (UTS), MPa 750
610
Tensile Strength: Yield (Proof), MPa 270
210

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1150
930
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1310
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.0
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 23
14

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.080 to 0.15
0.040 to 0.080
Chromium (Cr), % 18 to 21
17 to 19
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
66.8 to 75
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 65.4 to 81.7
8.0 to 11
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.2 to 0.6
0