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EN 1.4981 Stainless Steel vs. EN 2.4654 Nickel

EN 1.4981 stainless steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4981 stainless steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
17
Fatigue Strength, MPa 210
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Shear Strength, MPa 420
770
Tensile Strength: Ultimate (UTS), MPa 610
1250
Tensile Strength: Yield (Proof), MPa 240
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
1000
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 4.8
10
Embodied Energy, MJ/kg 67
150
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
42
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.3
3.3
Thermal Shock Resistance, points 14
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.040 to 0.1
0.020 to 0.1
Chromium (Cr), % 15.5 to 17.5
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 59.6 to 66.7
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.6 to 2.0
3.5 to 5.0
Nickel (Ni), % 15.5 to 17.5
50.6 to 62.5
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.3 to 0.6
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080