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EN 1.6781 Steel vs. EN 2.4632 Nickel

EN 1.6781 steel belongs to the iron alloys classification, while EN 2.4632 nickel belongs to the nickel alloys. There are 29 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 1.6781 steel and the bottom bar is EN 2.4632 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
17
Fatigue Strength, MPa 450
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 830
1250
Tensile Strength: Yield (Proof), MPa 680
780

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 450
1010
Melting Completion (Liquidus), °C 1460
1340
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.9
9.4
Embodied Energy, MJ/kg 25
130
Embodied Water, L/kg 60
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
1570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29
42
Strength to Weight: Bending, points 25
31
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 24
39

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0.15 to 0.19
0 to 0.13
Chromium (Cr), % 1.3 to 1.8
18 to 21
Cobalt (Co), % 0
15 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 92.6 to 94.6
0 to 1.5
Manganese (Mn), % 0.55 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 3.0 to 3.5
49 to 64
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0 to 0.15