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SAE-AISI 1060 Steel vs. SAE-AISI 81B45 Steel

Both SAE-AISI 1060 steel and SAE-AISI 81B45 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 1060 steel and the bottom bar is SAE-AISI 81B45 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 13
12 to 24
Fatigue Strength, MPa 260 to 340
250 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 370 to 450
340 to 400
Tensile Strength: Ultimate (UTS), MPa 620 to 740
540 to 670
Tensile Strength: Yield (Proof), MPa 400 to 540
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
40
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 46
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58 to 82
77 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 790
320 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 26
19 to 24
Strength to Weight: Bending, points 21 to 23
19 to 22
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 20 to 24
17 to 21

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.55 to 0.65
0.43 to 0.48
Chromium (Cr), % 0
0.35 to 0.55
Iron (Fe), % 98.4 to 98.9
97 to 98
Manganese (Mn), % 0.6 to 0.9
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040