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SAE-AISI 1146 Steel vs. Nickel 825

SAE-AISI 1146 steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel 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 SAE-AISI 1146 steel and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 17
34
Fatigue Strength, MPa 240 to 400
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 410 to 440
430
Tensile Strength: Ultimate (UTS), MPa 670 to 730
650
Tensile Strength: Yield (Proof), MPa 360 to 630
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51
11
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
41
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
7.2
Embodied Energy, MJ/kg 18
100
Embodied Water, L/kg 46
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
180
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1050
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 26
22
Strength to Weight: Bending, points 22 to 23
20
Thermal Diffusivity, mm2/s 14
2.9
Thermal Shock Resistance, points 20 to 22
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.42 to 0.49
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 98.3 to 98.8
22 to 37.9
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
38 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0.080 to 0.13
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2