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EN 1.4634 Stainless Steel vs. EN 2.4654 Nickel

EN 1.4634 stainless steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. They have a modest 21% 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4634 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, % 21
17
Fatigue Strength, MPa 180
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
770
Tensile Strength: Ultimate (UTS), MPa 540
1250
Tensile Strength: Yield (Proof), MPa 280
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.9
10
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
190
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
42
Strength to Weight: Bending, points 19
31
Thermal Diffusivity, mm2/s 5.8
3.3
Thermal Shock Resistance, points 19
37

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.020 to 0.1
Chromium (Cr), % 17.5 to 18.5
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 74.9 to 81.8
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.5 to 5.0
Nickel (Ni), % 0 to 0.5
50.6 to 62.5
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.015
Silicon (Si), % 0.2 to 1.5
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080