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ACI-ASTM CF16Fa Steel vs. Nickel 908

ACI-ASTM CF16Fa steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF16Fa 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, % 28
11
Fatigue Strength, MPa 170
450
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
70
Tensile Strength: Ultimate (UTS), MPa 540
1340
Tensile Strength: Yield (Proof), MPa 230
930

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 980
920
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 16
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.3
9.3
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 21
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
45
Strength to Weight: Bending, points 19
33
Thermal Diffusivity, mm2/s 4.2
2.9
Thermal Shock Resistance, points 12
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.16
0 to 0.030
Chromium (Cr), % 18 to 21
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.1 to 72.4
35.6 to 44.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 9.0 to 12
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0.2 to 0.4
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8