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EN 1.6781 Steel vs. Nickel 242

EN 1.6781 steel belongs to the iron alloys classification, while nickel 242 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 nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 17
45
Fatigue Strength, MPa 450
300
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 830
820
Tensile Strength: Yield (Proof), MPa 680
350

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 450
930
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 44
11
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
75
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.9
14
Embodied Energy, MJ/kg 25
180
Embodied Water, L/kg 60
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
300
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 24
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.15 to 0.19
0 to 0.030
Chromium (Cr), % 1.3 to 1.8
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.6 to 94.6
0 to 2.0
Manganese (Mn), % 0.55 to 0.8
0 to 0.8
Molybdenum (Mo), % 0.45 to 0.6
24 to 26
Nickel (Ni), % 3.0 to 3.5
59.3 to 69
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015