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EN 1.7779 Steel vs. Nickel 890

EN 1.7779 steel belongs to the iron alloys classification, while nickel 890 belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7779 steel and the bottom bar is nickel 890.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
39
Fatigue Strength, MPa 430
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 500
400
Tensile Strength: Ultimate (UTS), MPa 810
590
Tensile Strength: Yield (Proof), MPa 660
230

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 470
1000
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
47
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 64
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
19
Thermal Shock Resistance, points 23
15

Alloy Composition

Aluminum (Al), % 0 to 0.040
0.050 to 0.6
Carbon (C), % 0.17 to 0.23
0.060 to 0.14
Chromium (Cr), % 3.0 to 3.3
23.5 to 28.5
Copper (Cu), % 0 to 0.3
0 to 0.75
Iron (Fe), % 93.8 to 95.4
17.3 to 33.9
Manganese (Mn), % 0.3 to 0.5
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.6
1.0 to 2.0
Nickel (Ni), % 0 to 0.3
40 to 45
Niobium (Nb), % 0
0.2 to 1.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Tantalum (Ta), % 0
0.1 to 0.6
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0.45 to 0.55
0