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EN 1.4021 Stainless Steel vs. EN 2.4654 Nickel

EN 1.4021 stainless steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. 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 1.4021 stainless steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 240 to 380
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Shear Strength, MPa 390 to 530
770
Tensile Strength: Ultimate (UTS), MPa 630 to 880
1250
Tensile Strength: Yield (Proof), MPa 390 to 670
850

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 760
1000
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 1.9
10
Embodied Energy, MJ/kg 27
150
Embodied Water, L/kg 100
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
1810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23 to 31
42
Strength to Weight: Bending, points 21 to 26
31
Thermal Diffusivity, mm2/s 8.1
3.3
Thermal Shock Resistance, points 22 to 31
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.16 to 0.25
0.020 to 0.1
Chromium (Cr), % 12 to 14
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 83.2 to 87.8
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
50.6 to 62.5
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
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