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SAE-AISI 1084 Steel vs. SAE-AISI 5160 Steel

Both SAE-AISI 1084 steel and SAE-AISI 5160 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 1084 steel and the bottom bar is SAE-AISI 5160 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
200 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
12 to 18
Fatigue Strength, MPa 320 to 370
180 to 650
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 470 to 550
390 to 700
Tensile Strength: Ultimate (UTS), MPa 780 to 930
660 to 1150
Tensile Strength: Yield (Proof), MPa 510 to 600
280 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
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 46
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 89
73 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 960
200 to 2700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 33
23 to 41
Strength to Weight: Bending, points 24 to 27
22 to 31
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 25 to 30
19 to 34

Alloy Composition

Carbon (C), % 0.8 to 0.93
0.56 to 0.61
Chromium (Cr), % 0
0.7 to 0.9
Iron (Fe), % 98.1 to 98.6
97.1 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.75 to 1.0
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