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Nickel 684 vs. EN 1.7233 Steel

Nickel 684 belongs to the nickel alloys classification, while EN 1.7233 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
210 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
18 to 23
Fatigue Strength, MPa 390
270 to 530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 710
450 to 590
Tensile Strength: Ultimate (UTS), MPa 1190
700 to 960
Tensile Strength: Yield (Proof), MPa 800
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 10
1.6
Embodied Energy, MJ/kg 140
21
Embodied Water, L/kg 360
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
380 to 1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
25 to 34
Strength to Weight: Bending, points 30
22 to 28
Thermal Shock Resistance, points 34
21 to 28

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0.39 to 0.45
Chromium (Cr), % 15 to 20
1.2 to 1.5
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 4.0
96.2 to 97.5
Manganese (Mn), % 0 to 0.75
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 5.0
0.5 to 0.7
Nickel (Ni), % 42.7 to 64
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 2.5 to 3.3
0