ThePipingMart Blog Grades L2 Tool Steel – Composition, Properties and Uses

L2 Tool Steel – Composition, Properties and Uses

Tool Steel L2

Tool Steel L2 is an incredibly versatile steel alloy with various uses in any industry. It is highly resistant to corrosion and heat, making it a great choice for projects requiring extreme durability and reliability. L2 Tool Steel is a powerful and well-known steel variety frequently used in industrial applications. UNS T61202, commonly called SAE-AISI L2 steel, is highly prized for its toughness and wear resistance. This steel variety has a high carbon content, which provides excellent strength, durability and resistance to fatigue and stress. Additionally, it is known for its easy machining and heat treatment, making it a popular choice for various manufacturing activities. With its impressive composition and properties, L2 Tool Steel is a top pick for those who demand high-performance products that can stand up to challenging environments. Here, we’ll discuss everything you need to know about Tool Steel L2 and why it might be the ideal material for your project.

What Forms of L2 Tool Steel 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

L2 Tool Steel Composition

Element Content (%)
Chromium, Cr 0.70-1.20
Silicon, Si 0.5
Carbon, C 0.45-1
Molybdenum, Mo 0.25
Copper, Cu 0.25
Manganese, Mn 0.10-0.90
Vanadium, V 0.10-0.30
Phosphorus, P 0.03
Sulfur, S 0.03
Iron, Fe Balance

L2 Tool Steel Physical properties

Properties Metric Imperial
Density 7.86 g/cm3 0.284 lb/in3

L2 Tool Steel Mechanical properties

Properties Metric Imperial
Tensile strength, ultimate 710-2000 MPa 103000-290000 psi
Tensile strength, yield (@strain 0.200 %) 510-1790 MPa 74000-260000 psi
Elongation at break 5-25% 5-25%
Poisson’s ratio 0.27-0.30 0.27-0.30
Elastic modulus 190-210 GPa 27557-30457 ksi
Hardness, Rockwell C 30-54 30-54

L2 Tool Steel Thermal properties

Properties Conditions
T (ºC) Treatment
Thermal expansion 14.4 x 10-6/ºC 20-425

L2 Tool Steel Equivalents

  • UNS T61202
  • DIN 1.2210

L2 Tool Steel Uses

Tool Steel L2 is a versatile metal suitable for various machine parts and industrial application projects. It has outstanding toughness, wear resistance, and ductility, allowing it to be used in a variety of industries. This steel is an excellent choice for creating metal tools and components due to its superior hardness and elasticity. It can easily be carved without fear of chipping or cracking, making it ideal for intricate designs or shapes. Tool Steel L2 is also extremely resistant to corrosive elements such as water, moisture, steam, and other forms of oxidation, which can cause damage to metals over time. Its unique properties make it the perfect material for creating hand tools and machinery parts that need to endure daily wear and tear with minimal maintenance and repair needs. All these factors combine to make Tool Steel L2 one of the most desirable metals for use in industrial workshop projects.

L2 Tool Steel Uses in Industries

Manufacturing Industry

L2 tool steel is commonly used in manufacturing for its high wear resistance and toughness. It is often used to make cutting tools, dies, and molds due to its ability to maintain a sharp edge and withstand high temperatures. Its durability also makes it suitable for use in heavy machinery and equipment.

Automotive Industry

The automotive industry also heavily relies on L2 tool steel for its production. The steel’s hardness and strength make it ideal for use in engine components, such as valves, pistons, and gears. It is also commonly used to produce suspension systems and steering components.

Aerospace Industry

Due to its high strength and resistance to corrosion, L2 tool steel is frequently used in the aerospace industry. It is utilized to produce aircraft parts such as landing gear, turbine blades, and engine components.

Oil and Gas Industry

The oil and gas industry requires materials that can withstand extreme conditions, making L2 tool steel a popular choice for various applications. It is commonly used in drilling equipment, valves, pumps, and other critical components exposed to high pressures and temperatures.

Construction Industry

L2 tool steel’s toughness and resistance to wear make it suitable for use in construction projects such as building bridges, roads, and buildings. It is often utilized in tools like hammers, chisels, drills, and saws due to its ability to maintain a sharp edge even after prolonged use.

L2 Tool Steel Heat Resistance

Tool Steel L2 offers excellent heat resistance, making it an ideal choice for applications where the temperatures may reach extreme levels, such as boilers or furnaces. The steel can withstand temperatures up to 1000°C without breaking down, meaning its longevity is guaranteed even in the most challenging of environments.

L2 Tool Steel Corrosion Resistance

Another advantage of using Tool Steel L2 is its superior corrosion resistance. It is highly resistant to corrosion caused by chemicals and acids, which makes it perfect for use in chemical plants or around other corrosive materials. Additionally, the steel has a high chromium content which helps it resist rust when exposed to moisture.

L2 Tool Steel Heat Treatment

The heat treatment process of Tool Steel L2 is relatively straightforward compared to other steels, allowing manufacturers to achieve consistent results with minimal effort. This means that you can get high-quality pieces with fewer defects or inconsistencies when working with this material. Additionally, it allows manufacturers to create parts with different properties depending on what they need due to their malleability after heat treatment.

L2 Tool Steel Machining

Machining Tool Steel L2 requires a specialized cutting tool, but this should not be an issue as there are plenty of options available on the market today. What’s more, machining the steel does not require too much effort thanks to its malleability after heat treatment which makes it easier for manufacturers to cut into shape without worrying about breakage or warping during the process.


In conclusion, Tool Steel L2 is an ideal material for projects requiring extreme durability and reliability due to its excellent heat resistance and corrosion resistance properties as well as its easy machinability after heat treatment. Whether you’re looking for something that can withstand extremely high temperatures or something that won’t corrode easily in harsh conditions, this steel alloy should be at the top of your list! So if you’re in need of reliable material for your project needs, then consider using Tool Steel L2 – you won’t regret it!

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