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EN 1.4618 Stainless Steel vs. EN 2.4632 Nickel

EN 1.4618 stainless steel belongs to the iron alloys classification, while EN 2.4632 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 2.4632 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
17
Fatigue Strength, MPa 240 to 250
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 480 to 500
770
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1250
Tensile Strength: Yield (Proof), MPa 250 to 260
780

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 900
1010
Melting Completion (Liquidus), °C 1400
1340
Melting Onset (Solidus), °C 1360
1290
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.7
9.4
Embodied Energy, MJ/kg 39
130
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
1570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 25
42
Strength to Weight: Bending, points 22 to 23
31
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 15 to 16
39

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.1
0 to 0.13
Chromium (Cr), % 16.5 to 18.5
18 to 21
Cobalt (Co), % 0
15 to 21
Copper (Cu), % 1.0 to 2.5
0 to 0.2
Iron (Fe), % 62.7 to 72.5
0 to 1.5
Manganese (Mn), % 5.5 to 9.5
0 to 1.0
Nickel (Ni), % 4.5 to 5.5
49 to 64
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
2.0 to 3.0
Zirconium (Zr), % 0
0 to 0.15