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SAE-AISI 1108 Steel vs. Grade CX2MW Nickel

SAE-AISI 1108 steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 29 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 SAE-AISI 1108 steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 23 to 34
34
Fatigue Strength, MPa 170 to 260
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 380 to 440
620
Tensile Strength: Yield (Proof), MPa 220 to 360
350

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 52
10
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 18
170
Embodied Water, L/kg 46
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 340
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 13 to 16
19
Strength to Weight: Bending, points 15 to 16
18
Thermal Diffusivity, mm2/s 14
2.7
Thermal Shock Resistance, points 12 to 14
17

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.020
Chromium (Cr), % 0
20 to 22.5
Iron (Fe), % 98.9 to 99.24
2.0 to 6.0
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
51.3 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0.080 to 0.13
0 to 0.025
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35