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Nickel 825 vs. SAE-AISI 1008 Steel

Nickel 825 belongs to the nickel alloys classification, while SAE-AISI 1008 steel belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 825 and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22 to 33
Fatigue Strength, MPa 190
150 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
220 to 230
Tensile Strength: Ultimate (UTS), MPa 650
330 to 370
Tensile Strength: Yield (Proof), MPa 260
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
62
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 41
1.8
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.2
1.4
Embodied Energy, MJ/kg 100
18
Embodied Water, L/kg 230
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 170
92 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
12 to 13
Strength to Weight: Bending, points 20
13 to 15
Thermal Diffusivity, mm2/s 2.9
17
Thermal Shock Resistance, points 17
10 to 12

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 19.5 to 23.5
0
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 22 to 37.9
99.31 to 99.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0.6 to 1.2
0