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SAE-AISI 1345 Steel vs. SAE-AISI 1086 Steel

Both SAE-AISI 1345 steel and SAE-AISI 1086 steel are iron alloys. They have a very high 98% 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 1345 steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 23
11
Fatigue Strength, MPa 230 to 390
300 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 370 to 440
450 to 520
Tensile Strength: Ultimate (UTS), MPa 590 to 730
760 to 870
Tensile Strength: Yield (Proof), MPa 330 to 620
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 120
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1040
610 to 890
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 26
27 to 31
Strength to Weight: Bending, points 20 to 23
24 to 26
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19 to 23
26 to 30

Alloy Composition

Carbon (C), % 0.43 to 0.48
0.8 to 0.93
Iron (Fe), % 97.2 to 97.8
98.5 to 98.9
Manganese (Mn), % 1.6 to 1.9
0.3 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.050