SAE/AISI 1086 Carbon Steel (UNS G10860)

Image of SAE/AISI 1086 bars

SAE/AISI 1086 steel is often used in applications where strength and wear resistance are crucial, such as springs, cutting tools, knives, and various hand tools. It can be heat treated to further enhance its mechanical properties, including hardness and toughness.

Chemical Composition
ElementMinMax
Iron98.48%98.90%
Carbon0.80%0.93%
Manganese0.30%0.50%
Phosphorous0.04%
Sulfur0.05%

The following table provides a list of SAE/AISI 1086 properties in both SI and US customary/Imperial units.

Click on the icon to switch between Metric and Imperial units.

Table of SAE/AISI 1086 Properties
Physical Properties
Metric
Density7850 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)≥ 772 MPa
Tensile Strength (Yield)≥ 424 MPa
Young’s Modulus (E)200 GPa
Shear Modulus (G)78 GPa
Elongation at Break≥ 10%
Reduction of Area≥ 25%
Poisson’s Ratio (ν)0.29
Brinell Hardness≥ 229
Thermal PropertiesMetric
Thermal Conductivity52 W/m·K
Specific Heat Capacity (Cp)470 J/kg·K
Coefficient of Thermal Expansion (αL)1.2×10-5 1/°C
Electrical PropertiesMetric
Electrical Conductivity4.1×106 S/m
Electrical Resistivity2.4×10-7 Ω·m

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of 1086 Carbon Steel

AdvantagesDisadvantages
High StrengthLimited Corrosion Resistance
Good Wear ResistanceLower Toughness
Good MachinabilityDifficult to Weld
Cost-EffectiveLimited Heat Resistance

Applications of 1086 Carbon Steel

AISI 1086 carbon steel finds application in various industries and products that require high strength, durability, and wear resistance. Here are some common applications of 1086 carbon steel:

  • Springs: 1086 carbon steel is frequently used in the manufacturing of springs, including coil springs, flat springs, and leaf springs.
  • Blades and Cutting Tools: The hardness and wear resistance of 1086 carbon steel make it suitable for producing blades, cutting tools, and knives.
  • Agricultural Implements: 1086 carbon steel is employed in the fabrication of various agricultural implements, such as plowshares, sickles, and cultivator points.
  • Hand Tools: Many hand tools, such as chisels, punches, and hammers, are made from 1086 carbon steel.
  • Automotive Components: Certain automotive components, such as leaf springs, clutch plates, and transmission parts, may incorporate 1086 carbon steel.
  • Railroad Spike Manufacturing: 1086 carbon steel is used in the production of railroad spikes, which are large nails used to secure rail tracks to railroad ties.
  • Wire Products: Wire rods made from 1086 carbon steel are used in the manufacturing of wire products like springs, cables, wire mesh, and fencing.
  • Industrial Machinery Parts: Various parts in industrial machinery, such as gears, shafts, and axles, can be made from 1086 carbon steel.
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