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Chromium 33 vs. Nickel 908

Both chromium 33 and nickel 908 are metals with high concentrations of iron and nickel. This makes them relatively similar, despite formally belonging to different alloy families. They have 68% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 45
11
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
70
Tensile Strength: Ultimate (UTS), MPa 850
1340
Tensile Strength: Yield (Proof), MPa 430
930

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 14
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 6.0
9.3
Embodied Energy, MJ/kg 84
140
Embodied Water, L/kg 250
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
140
Resilience: Unit (Modulus of Resilience), kJ/m3 450
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30
45
Strength to Weight: Bending, points 25
33
Thermal Shock Resistance, points 21
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 31 to 35
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0.3 to 1.2
0 to 0.5
Iron (Fe), % 25.7 to 37.9
35.6 to 44.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 30 to 33
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8