ThePipingMart Blog Grades SAE/AISI 1109 Carbon Steel – Composition, Properties and Uses

SAE/AISI 1109 Carbon Steel – Composition, Properties and Uses

SAE / AISI 1109 Steel

SAE / AISI 1109 is a low-carbon steel that offers good formability and weldability. This steel is typically used in applications such as agricultural equipment, automotive parts, construction equipment, and pipes and tubes. In addition, SAE / AISI 1109 offers good corrosion resistance and heat resistance. Let’s take a closer look at the properties of this steel. SAE/AISI 1109 Carbon Steel is a type of carbon steel that contains medium carbon content and is often used in a variety of industrial applications. With an UNS number of G11090 and an SAE number of 1110, this steel alloy has excellent strength and toughness, making it ideal for parts that require high resistance to wear and tear. The addition of manganese and copper improves the steel’s machinability, weldability, and hardenability, making it a popular choice among manufacturers. SAE/AISI 1109 Carbon Steel is also known for its cost-effectiveness, making it an attractive option for those seeking a reliable and durable material for their products.

What Forms of AISI 1109 is Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

AISI 1109 Composition

Carbon (C%) Manganese (Mn%) Silicon (Si%) Phosphorus (P%) Sulfur (S%)
Min: 0,07 Max: 0,13 Min: 0,70 Max: 1,10 ≤ 0,40 0,06 Min: 0,15 Max: 0,25

AISI 1109 Physical Properties

Physical Properties Metric English Comments
Density 7.87 g/cc 0.284 lb/in³ (AISI 1008)

AISI 1109 Mechanical Properties

AISI 1109 steel is a low-carbon, cold-worked steel. It exhibits very unique mechanical properties compared to other types of steel due to its low carbon content. The yield strength and tensile strength of AISI 1109 are both significantly lower than other grades in this material type. This is beneficial because it makes the steel softer and easier to shape or bend without causing significant damage during the forming process. Additionally, the relatively low elastic modulus makes it suitable for applications that require flexibility and strength such as springs and structural components. Despite its softness, the hardness can be increased by tempering, making AISI 1109 an excellent option for a variety of fabrication needs.

AISI 1109 Equivalent

MATERIAL-NUMBER DIN/EN BSI/AFNOR ASTM AISI/SAE
1.0721 10 S20 G 11090, G 11080 B1111, 1111, 1109, 1108

AISI 1109 Uses

SAE / AISI 1109 is a low-carbon steel that offers good formability and weldability. This steel is typically used in applications such as agricultural equipment, automotive parts, construction equipment, and pipes and tubes.

AISI 1109 Uses in Industries

  • Construction Industry
  • Automotive Industry
  • Oil and Gas Industry
  • Manufacturing Industry
  • Aerospace Industry

AISI 1109 Corrosion Resistance

One of the benefits of using SAE / AISI 1109 steel is that it offers good corrosion resistance. This type of steel is often used in environments where it will be exposed to corrosive elements such as salt water or chemicals.

AISI 1109 Heat Resistance

SAE / AISI 1109 steel also offers good heat resistance. This means that the steel can withstand high temperatures without losing its strength or becoming brittle.

AISI 1109 Heat Treatment

Heat treatment of SAE / AISI 1109 involves heating the metal part to a specified temperature and then cooling it according to a predetermined schedule. It is typically performed in order to increase the strength, toughness, and hardenability of the component. While heat treatment does not lead to any significant changes to the chemical composition of the material, it can increase its fatigue limit and reduce residual stresses caused by welding or machining. The specific application and desired property changes will determine which type of heat treatment is appropriate for SAE / AISI 1109 materials; however, most commonly, annealing, normalizing, and hardening processes are utilized.

AISI 1109 Machining

SAE / AISI 1109 can be machined using standard methods such as turning, drilling, milling, and tapping. However, this steel is not suitable for welding due to its low carbon content.

AISI 1109 Welding

SAE / AISI 1109 welding is becoming more popular as an efficient way of joining two pieces of metal together. It has a higher tensile strength and gives a smoother, stronger joint than arc welding. It also can be used in production welding at a much lower cost than other methods. Using SAE / AISI 1109 welding requires precision, as the edges must be properly prepared and equipment maintained in order to achieve the best possible results. With the right setup, it provides high-quality welds with minimal rework, giving it an edge over other types of welding processes. As the demand for reliable and long-lasting joints continues to increase, SAE / AISI 1109 welding will likely become one of the preferred methods for many fabrication projects.

Conclusion

Overall, SAE / AISI 1109 is a versatile, low-carbon steel that offers good formability, weldability, corrosion resistance, and heat resistance. This steel is typically used in applications such as agricultural equipment, automotive parts, construction equipment, and pipes and tubes. If you are in need of low-carbon steel for your next project, consider using SAE / AISI 1109.

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