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SAE-AISI 81B45 Steel vs. N06045 Nickel

SAE-AISI 81B45 steel belongs to the iron alloys classification, while N06045 nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 81B45 steel and the bottom bar is N06045 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 24
37
Fatigue Strength, MPa 250 to 350
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 340 to 400
470
Tensile Strength: Ultimate (UTS), MPa 540 to 670
690
Tensile Strength: Yield (Proof), MPa 350 to 560
270

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 410
1010
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.9
Embodied Energy, MJ/kg 20
98
Embodied Water, L/kg 49
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 840
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 24
24
Strength to Weight: Bending, points 19 to 22
22
Thermal Shock Resistance, points 17 to 21
18

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.090
Chromium (Cr), % 0.35 to 0.55
26 to 29
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97 to 98
21 to 25
Manganese (Mn), % 0.75 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 0.2 to 0.4
45 to 50.4
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
2.5 to 3.0
Sulfur (S), % 0 to 0.040
0 to 0.010