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SAE-AISI A3 Steel vs. Nickel 908

SAE-AISI A3 steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
70
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
1340

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 37
11
Thermal Expansion, µm/m-K 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.4
9.3
Embodied Energy, MJ/kg 67
140
Embodied Water, L/kg 78
170

Common Calculations

PREN (Pitting Resistance) 8.9
4.2
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 77
45
Strength to Weight: Bending, points 23 to 48
33
Thermal Diffusivity, mm2/s 10
2.9
Thermal Shock Resistance, points 23 to 70
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 88.7 to 92
35.6 to 44.6
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8
Vanadium (V), % 0.8 to 1.4
0