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EN 2.4951 Nickel vs. S30441 Stainless Steel

EN 2.4951 nickel belongs to the nickel alloys classification, while S30441 stainless steel belongs to the iron alloys. They have a modest 32% 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 S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 500
400
Tensile Strength: Ultimate (UTS), MPa 750
580
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1150
940
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
18
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.4
Embodied Energy, MJ/kg 130
50
Embodied Water, L/kg 280
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.080 to 0.15
0 to 0.080
Chromium (Cr), % 18 to 21
17.5 to 19.5
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 0 to 5.0
62 to 71.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 65.4 to 81.7
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.2 to 0.6
0
Tungsten (W), % 0
0.2 to 0.8