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EN 1.4865 Stainless Steel vs. Nickel 684

EN 1.4865 stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have 58% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4865 stainless steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
310
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
11
Fatigue Strength, MPa 120
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 470
1190
Tensile Strength: Yield (Proof), MPa 250
800

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1020
1000
Melting Completion (Liquidus), °C 1380
1370
Melting Onset (Solidus), °C 1330
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 5.8
10
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 16
40
Strength to Weight: Bending, points 17
30
Thermal Shock Resistance, points 11
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.3 to 0.5
0 to 0.15
Chromium (Cr), % 18 to 21
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 34.4 to 44.7
0 to 4.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 0 to 0.5
3.0 to 5.0
Nickel (Ni), % 36 to 39
42.7 to 64
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.0 to 2.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3