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Nickel 625 vs. SAE-AISI 1146 Steel

Nickel 625 belongs to the nickel alloys classification, while SAE-AISI 1146 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
13 to 17
Fatigue Strength, MPa 240 to 320
240 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 530 to 600
410 to 440
Tensile Strength: Ultimate (UTS), MPa 790 to 910
670 to 730
Tensile Strength: Yield (Proof), MPa 320 to 450
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.8
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 190
18
Embodied Water, L/kg 290
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
340 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
24 to 26
Strength to Weight: Bending, points 22 to 24
22 to 23
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 22 to 25
20 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.42 to 0.49
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
98.3 to 98.8
Manganese (Mn), % 0 to 0.5
0.7 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13
Titanium (Ti), % 0 to 0.4
0