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Nickel 617 vs. EN 1.7231 Steel

Nickel 617 belongs to the nickel alloys classification, while EN 1.7231 steel belongs to the iron 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 nickel 617 and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
11 to 12
Fatigue Strength, MPa 220
360 to 500
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
790 to 930
Tensile Strength: Yield (Proof), MPa 280
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1010
420
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 350
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
870 to 1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
28 to 33
Strength to Weight: Bending, points 21
24 to 27
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 21
23 to 27

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0.38 to 0.45
Chromium (Cr), % 20 to 24
0.8 to 1.2
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
96.4 to 98.1
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 8.0 to 10
0.15 to 0.3
Nickel (Ni), % 44.5 to 62
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030