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Nickel 908 vs. SAE-AISI D5 Steel

Nickel 908 belongs to the nickel alloys classification, while SAE-AISI D5 steel belongs to the iron alloys. They have 45% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 908 and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 11
5.4 to 14
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 70
75
Shear Strength, MPa 800
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 1340
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
27
Thermal Expansion, µm/m-K 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
13
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 9.3
3.5
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 4.2
15
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 45
28 to 73
Strength to Weight: Bending, points 33
24 to 46
Thermal Diffusivity, mm2/s 2.9
7.4
Thermal Shock Resistance, points 61
26 to 67

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
1.4 to 1.6
Chromium (Cr), % 3.8 to 4.5
11 to 13
Cobalt (Co), % 0 to 0.5
2.5 to 3.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 35.6 to 44.6
77.9 to 84.4
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 47 to 51
0 to 0.3
Niobium (Nb), % 2.7 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 1.2 to 1.8
0
Vanadium (V), % 0
0 to 1.0