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Nickel 689 vs. EN 1.7779 Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.7779 steel belongs to the iron alloys. There are 27 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 nickel 689 and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
240
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 420
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 790
500
Tensile Strength: Ultimate (UTS), MPa 1250
810
Tensile Strength: Yield (Proof), MPa 690
660

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 990
470
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
4.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 330
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 41
29
Strength to Weight: Bending, points 30
25
Thermal Shock Resistance, points 35
23

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0 to 0.040
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0.17 to 0.23
Chromium (Cr), % 18 to 20
3.0 to 3.3
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 5.0
93.8 to 95.4
Manganese (Mn), % 0 to 0.5
0.3 to 0.5
Molybdenum (Mo), % 9.0 to 10.5
0.5 to 0.6
Nickel (Ni), % 48.3 to 60.9
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.3 to 2.8
0
Vanadium (V), % 0
0.45 to 0.55