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Nickel 685 vs. EN 1.7365 Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.7365 steel belongs to the iron alloys. There are 28 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 685 and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Fatigue Strength, MPa 470
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 1250
700
Tensile Strength: Yield (Proof), MPa 850
470

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
510
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
4.4
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.8
Embodied Energy, MJ/kg 140
24
Embodied Water, L/kg 340
70

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
25
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 37
20

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0.12 to 0.19
Chromium (Cr), % 18 to 21
4.0 to 6.0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 0 to 2.0
91.2 to 94.9
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 3.5 to 5.0
0.45 to 0.65
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 2.8 to 3.3
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0.020 to 0.12
0