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Nickel 30 vs. EN 1.6781 Steel

Nickel 30 belongs to the nickel alloys classification, while EN 1.6781 steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 30 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 200
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
73
Tensile Strength: Ultimate (UTS), MPa 660
830
Tensile Strength: Yield (Proof), MPa 270
680

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1020
450
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
5.0
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.4
1.9
Embodied Energy, MJ/kg 130
25
Embodied Water, L/kg 290
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 18
24

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.19
Chromium (Cr), % 28 to 31.5
1.3 to 1.8
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
92.6 to 94.6
Manganese (Mn), % 0 to 0.030
0.55 to 0.8
Molybdenum (Mo), % 4.0 to 6.0
0.45 to 0.6
Nickel (Ni), % 30.2 to 52.2
3.0 to 3.5
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.5 to 4.0
0