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EN 1.4618 Stainless Steel vs. EN 2.4951 Nickel

EN 1.4618 stainless steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. They have a modest 26% 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 1.4618 stainless steel and the bottom bar is EN 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
34
Fatigue Strength, MPa 240 to 250
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 480 to 500
500
Tensile Strength: Ultimate (UTS), MPa 680 to 700
750
Tensile Strength: Yield (Proof), MPa 250 to 260
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 900
1150
Melting Completion (Liquidus), °C 1400
1360
Melting Onset (Solidus), °C 1360
1310
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.7
9.3
Embodied Energy, MJ/kg 39
130
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 25
25
Strength to Weight: Bending, points 22 to 23
22
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 15 to 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.1
0.080 to 0.15
Chromium (Cr), % 16.5 to 18.5
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 1.0 to 2.5
0 to 0.5
Iron (Fe), % 62.7 to 72.5
0 to 5.0
Manganese (Mn), % 5.5 to 9.5
0 to 1.0
Nickel (Ni), % 4.5 to 5.5
65.4 to 81.7
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.6