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ACI-ASTM CD3MCuN Steel vs. Nickel 908

ACI-ASTM CD3MCuN steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 51% of their average alloy composition in common. There are 28 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 ACI-ASTM CD3MCuN steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 29
11
Fatigue Strength, MPa 370
450
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
70
Tensile Strength: Ultimate (UTS), MPa 790
1340
Tensile Strength: Yield (Proof), MPa 500
930

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.9
9.3
Embodied Energy, MJ/kg 54
140
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 41
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 620
2340
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
45
Strength to Weight: Bending, points 24
33
Thermal Diffusivity, mm2/s 4.1
2.9
Thermal Shock Resistance, points 22
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26.7
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 1.4 to 1.9
0 to 0.5
Iron (Fe), % 58.2 to 65.9
35.6 to 44.6
Manganese (Mn), % 0 to 1.2
0 to 1.0
Molybdenum (Mo), % 2.9 to 3.8
0
Nickel (Ni), % 5.6 to 6.7
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.1
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8