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SAE-AISI 81B45 Steel vs. N10003 Nickel

SAE-AISI 81B45 steel belongs to the iron alloys classification, while N10003 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 N10003 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 24
42
Fatigue Strength, MPa 250 to 350
260
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
80
Shear Strength, MPa 340 to 400
540
Tensile Strength: Ultimate (UTS), MPa 540 to 670
780
Tensile Strength: Yield (Proof), MPa 350 to 560
320

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
930
Melting Completion (Liquidus), °C 1460
1520
Melting Onset (Solidus), °C 1420
1460
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
13
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 49
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 110
260
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 840
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19 to 24
24
Strength to Weight: Bending, points 19 to 22
21
Thermal Diffusivity, mm2/s 11
3.1
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 to 0.010
Carbon (C), % 0.43 to 0.48
0.040 to 0.080
Chromium (Cr), % 0.35 to 0.55
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 97 to 98
0 to 5.0
Manganese (Mn), % 0.75 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.080 to 0.15
15 to 18
Nickel (Ni), % 0.2 to 0.4
64.8 to 79
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0 to 0.5