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Nickel 685 vs. SAE-AISI 1065 Steel

Nickel 685 belongs to the nickel alloys classification, while SAE-AISI 1065 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 14
Fatigue Strength, MPa 470
270 to 340
Poisson's Ratio 0.29
0.29
Reduction in Area, % 20
34 to 51
Shear Modulus, GPa 77
72
Shear Strength, MPa 770
430 to 470
Tensile Strength: Ultimate (UTS), MPa 1250
710 to 780
Tensile Strength: Yield (Proof), MPa 850
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
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
51
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 340
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
490 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
25 to 28
Strength to Weight: Bending, points 31
23 to 24
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
25 to 27

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
0.6 to 0.7
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0