ThePipingMart Blog Grades SAE/AISI 1213 Carbon Steel (UNS G12130) – Composition, Properties and Uses

SAE/AISI 1213 Carbon Steel (UNS G12130) – Composition, Properties and Uses

SAE/AISI 12L13 Steel

AISI 12L13 steel is a type of low-carbon alloy steel. 1213 Carbon Steel is used for a variety of applications due to its unique properties, including its corrosion resistance, heat resistance, strength, and machinability. SAE/AISI 1213 Carbon Steel, also known as UNS G12130, is a popular material in the manufacturing industry due to its advantageous properties. With a carbon content of 0.13%, AISI 1213 Steel boasts excellent machinability and weldability, making it a prime choice for intricate and precise designs. It also exhibits good resistance to corrosion, making it a reliable option for use in various environments. AISI 1213 Carbon Steel is frequently used in the production of gears, pins, screws, and nuts. Thanks to its impressive composition and properties, AISI 1213 Steel is a top-performing material for any industrial application. In this article, we will discuss the uses of UNS G12130, as well as its corrosion resistance, heat resistance, and heat treatment instructions.

What Forms of AISI 1213 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 1213 Composition

Carbon (C%) Manganese (Mn%) Silicon (Si%) Phosphorus (P%) Sulfur (S%)
≤ 0,14 Min: 0,90 Max: 1,30 ≤ 0,05 0,11 Min: 0,27 Max: 0,33

AISI 1213 Physical Properties

Physical Properties Metric English Comments
Density 7.87 g/cc 0.284 lb/in³ Typical for steel.

AISI 1213 Mechanical Properties

Mechanical Properties Metric English Comments
Hardness, Brinell 121 121 (AISI 12L14)
Hardness, Knoop 140 140 Converted from Brinell
Hardness, Rockwell B 68 68 Converted from Brinell
Hardness, Vickers 126 126 Converted from Brinell
Tensile Strength, Ultimate 395 MPa 57300 psi (AISI 12L14)
Tensile Strength, Yield 235 MPa 34100 psi (AISI 12L14)
Elongation at Break 22 % 22 % (AISI 12L14)
Reduction of Area 45 % 45 % (AISI 12L14)
Modulus of Elasticity 200 GPa 29000 ksi Typical for steel
Bulk Modulus 160 GPa 23200 ksi Typical for steel.
Poissons Ratio 0.29 0.29 Typical For Steel
Shear Modulus 80.0 GPa 11600 ksi Typical for steel.

AISI 1213 Thermal Properties

Thermal Properties Metric English Comments
CTE, linear 11.5 µm/m-°C
@Temperature 20.0 °C
6.39 µin/in-°F
@Temperature 68.0 °F
Typical steel
12.2 µm/m-°C
@Temperature 0.000 – 300 °C
6.78 µin/in-°F
@Temperature 32.0 – 572 °F
Typical for steel
13.9 µm/m-°C
@Temperature 0.000 – 500 °C
7.72 µin/in-°F
@Temperature 32.0 – 932 °F
Typical for steel
Specific Heat Capacity 0.472 J/g-°C 0.113 BTU/lb-°F Typical steel
Thermal Conductivity 51.9 W/m-K 360 BTU-in/hr-ft²-°F Typical steel

AISI 1213 Uses

SAE/AISI 1213 steel has unique properties that make it ideal for many applications. It is used in the manufacturing of fasteners such as screws and bolts. It can also be used in the production of shafts due to its high strength and machinability. Additionally, it is often utilized in automotive components such as transmission parts and engine parts that require excellent wear resistance.

AISI 1213 Uses in Industries

Manufacturing Industry

AISI 1213 is a free-cutting steel commonly used in the manufacturing industry. Its high machinability makes it ideal for producing precision parts and components, especially in large quantities. This type of steel is often used to make nuts, bolts, screws, and other fasteners.

Automotive Industry

The automotive industry also relies on AISI 1213 for its production needs. The steel’s ability to be easily machined and formed makes it suitable for creating various engine components, such as crankshafts and camshafts. It is also used to manufacture transmission gears and other small parts.

Construction Industry

AISI 1213 is widely used in the construction industry due to its strength and durability. It can be found in various structural elements, such as beams, columns, and reinforcement bars. Its machinability also allows for easy fabrication of complex shapes and designs.

Electronics Industry

In the electronics industry, AISI 1213 is commonly used for making connectors, pins, and other small parts that require precision machining. Its high carbon content also makes it suitable for electrical contacts where good conductivity is needed.

Medical Industry

Due to its biocompatibility and corrosion resistance, AISI 1213 is often utilized in medical equipment manufacturing. It is commonly used to make surgical instruments, implants, and components for medical devices.

Aerospace Industry

AISI 1213’s high strength-to-weight ratio makes it popular in the aerospace industry. It can be found in aircraft components such as landing gear parts, engine mounts, and wing structures. Its machinability also allows for easy production of intricate parts with tight tolerances required in this industry.

AISI 1213 Corrosion Resistance

SAE/AISI 1213 steel has excellent corrosion resistance due to its low carbon content, which makes it highly resistant to oxidation and rust formation. This makes it an ideal material for use in environments with high humidity or salt content, such as coastal regions or industrial plants near bodies of water. Additionally, this type of steel can withstand exposure to many common chemicals without suffering any damage or corrosion.

AISI 1213 Heat Resistance

SAE/AISI 1213 steel is extremely resistant to heat due to its low carbon content, which helps prevent oxidation at elevated temperatures. This makes it a popular choice for applications that involve high temperatures, like boilers or furnaces, where metals need to remain stable during operation without warping or cracking over time. Additionally, this type of steel can be used in high-temperature welding processes without suffering any damage from the extreme temperatures involved in these operations.

AISI 1213 Heat Treatment

SAE/AISI 1213 is an alloy steel commonly used in automotive and aerospace engineering as it can be heat treated to create more durable components. Heat treatment is an important step in the manufacture of parts made from this steel because, without it, they would not have the necessary properties to withstand extreme applications. Heating 1213 to temperatures up to around 1550°F will cause the hardening of the steel by allowing the metal’s carbon atoms to form a tight crystal lattice structure. This helps create a much tougher material that resists corrosion and wear significantly better than untreated 1213 steel.

AISI 1213 Machining

SAE / AISI 1213 is a low-carbon and manganese steel that is known for its excellent machinability. This steel can be machined at high speeds and produces a superior surface finish. It is often used in the automotive and aerospace industries for components that require a high level of precision.

AISI 1213 Welding

SAE/AISI 1213 Welding is a process that requires precision and expertise in order to create reliable welded products. It is a low-carbon steel alloy with an excellent combination of ductility, strength, and wear resistance, making it perfect for tasks that require high fatigue life and resistance to stress corrosion cracking. By using this steel alloy and proper welding techniques, one can ensure parts are welded securely and capable of withstanding harsh environmental conditions due to their strong metallurgical characteristics. As such, SAE/AISI 1213 Welding is increasingly becoming the preferred choice among industry professionals for its selection of properties that make it more suitable than other alternatives.


AISI 1213 steel, featuring a low-carbon alloy composition, is a preferred choice for intricate designs in manufacturing due to its exceptional machinability and weldability. This versatile material, available in various forms like bars and bolts, showcases reliable corrosion resistance and heat resistance. Widely employed in automotive and industrial applications, AISI 1213 steel’s unique properties, including strength and wear resistance, make it an excellent option for crafting components such as gears, pins, and fasteners, ensuring high performance in diverse engineering contexts.

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