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SAE-AISI 81B45 Steel vs. N06219 Nickel

SAE-AISI 81B45 steel belongs to the iron alloys classification, while N06219 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 81B45 steel and the bottom bar is N06219 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 24
48
Fatigue Strength, MPa 250 to 350
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
79
Shear Strength, MPa 340 to 400
520
Tensile Strength: Ultimate (UTS), MPa 540 to 670
730
Tensile Strength: Yield (Proof), MPa 350 to 560
300

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
10
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 49
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 110
280
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 840
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19 to 24
24
Strength to Weight: Bending, points 19 to 22
21
Thermal Diffusivity, mm2/s 11
2.7
Thermal Shock Resistance, points 17 to 21
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0 to 0.050
Chromium (Cr), % 0.35 to 0.55
18 to 22
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97 to 98
2.0 to 4.0
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.080 to 0.15
7.0 to 9.0
Nickel (Ni), % 0.2 to 0.4
60.8 to 72.3
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0.7 to 1.1
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 0.5