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Nickel 685 vs. SAE-AISI A10 Steel

Nickel 685 belongs to the nickel alloys classification, while SAE-AISI A10 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is SAE-AISI A10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 1250
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
5.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
2.1
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 340
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
29 to 73
Strength to Weight: Bending, points 31
25 to 46
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 37
27 to 68

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
1.3 to 1.5
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 2.0
90.8 to 93.4
Manganese (Mn), % 0 to 1.0
1.6 to 2.1
Molybdenum (Mo), % 3.5 to 5.0
1.3 to 1.8
Nickel (Ni), % 49.6 to 62.5
1.6 to 2.1
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
1.0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0