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EN 1.4742 Stainless Steel vs. EN 2.4642 Nickel

EN 1.4742 stainless steel belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel alloys. They have a modest 28% 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4742 stainless steel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 370
450
Tensile Strength: Ultimate (UTS), MPa 600
670
Tensile Strength: Yield (Proof), MPa 300
270

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1000
1010
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1380
1320
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 19
12
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
50
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 2.2
8.2
Embodied Energy, MJ/kg 32
120
Embodied Water, L/kg 130
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
180
Resilience: Unit (Modulus of Resilience), kJ/m3 230
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 5.1
3.1
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0 to 0.5
Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 17 to 19
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 77.2 to 81.6
7.0 to 11
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 0
55.9 to 66
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.7 to 1.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015