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Nickel 685 vs. EN 1.4652 Stainless Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.4652 stainless steel belongs to the iron alloys. They have 48% of their average alloy composition in common. There are 29 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 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
45
Fatigue Strength, MPa 470
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 770
610
Tensile Strength: Ultimate (UTS), MPa 1250
880
Tensile Strength: Yield (Proof), MPa 850
490

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 13
9.8
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 75
34
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 10
6.4
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 340
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
340
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
30
Strength to Weight: Bending, points 31
25
Thermal Diffusivity, mm2/s 3.3
2.6
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 to 0.020
Chromium (Cr), % 18 to 21
23 to 25
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0.3 to 0.6
Iron (Fe), % 0 to 2.0
38.3 to 46.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 3.5 to 5.0
7.0 to 8.0
Nickel (Ni), % 49.6 to 62.5
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0