ThePipingMart Blog Grades P3 Tool Steel (T51603) – Composition, Properties and Uses

P3 Tool Steel (T51603) – Composition, Properties and Uses

Tool Steel P3

Tool steel P3 is a type of high-speed steel used to produce tools and dies. T51603 has superior wear resistance, heat resistance, and corrosion resistance, making it an ideal choice for a wide range of applications. SAE-AISI P3 steel, also known as UNS T51603, is a popular tool steel that offers a unique blend of physical and mechanical properties. Its superior wear resistance, toughness, and hardness make it ideal for high-stress applications such as cutting, stamping, and forging. The composition of P3 steel includes high levels of tungsten, chromium, and vanadium – elements that contribute to its exceptional strength and durability. Another notable characteristic of P3 steel is its resistance to deformation and cracking during heat treatment, which allows for improved machinability and ease of use. Whether in the automotive industry or in construction, P3 steel is a reliable choice for any tough job requiring precision and dependability. In this blog post, we’ll dive deeper into why tool steel P3 can be beneficial to your business.

What Forms of P3 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

P3 Tool Steel Composition

Weight %

P3 Tool Steel Physical Properties

Property Density
Temperature T
Specific heat
J / kgK
Thermal conductivity
Electric resistance
Modulus of elasticity
Expansion rate
671 (≥) 585 (≥) 11 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Creep strain limit
(Rp1,0) N/mm2
Creep rupture strength
(Rp1,0) N/mm2
711 393 265

P3 Tool Steel Mechanical properties

T (°C)
Density (×1000 kg/m3)
Poisson’s Ratio
Elastic Modulus (GPa)

P3 Tool Steel Equivalent

Grade Standard Country Application
Mold Steel
Medical Devices Marine Engineering

P3 Tool Steel Uses

Tool steels are used for a wide variety of applications, and one of the most popular is Tool Steel Grade P3. This type of tool steel has exceptional wear resistance, strength, hardenability and machinability. It contains high levels of chromium and molybdenum, which provides toughness while creating a strong surface finish on the final product. P3 grade can be easily polished to a high sheen that vastly increases its attractiveness. This also reduces friction which allows it to cut through material more easily than other grades of tool steel. Tool Steel Grade P3 truly offers the best combination of performance in both rapid die production and slow-cutting applications without fail.

P3 Tool Steel Uses in Industries

Automotive Industry

P3 tool steel is commonly used in the automotive industry for its high strength, toughness, and wear resistance. It is often used to make components such as gears, shafts, and bearings subjected to high stress and wear.

Aerospace Industry

The aerospace industry also utilizes P3 tool steel for its excellent mechanical properties. It is commonly used to make parts for aircraft engines, landing gear, and other critical components that require high strength and durability.

Manufacturing Industry

Many manufacturers also rely on P3 tool steel for various applications due to its versatility and reliability. It can be used to make molds for plastic injection molding, die casting dies, and other precision parts required in production.

Construction Industry

P3 tool steel is also utilized in the construction industry for its strength and toughness. It can be found in various construction equipment, such as excavator buckets, bulldozer blades, and crane components.

Oil and Gas Industry

Due to its ability to withstand extreme temperatures and resist corrosion, P3 tool steel is often used in the oil and gas industry for drilling equipment such as drill bits and casing hangers. Its high strength makes it suitable for use in pipelines and offshore platforms where durability is crucial.

P3 Tool Steel Corrosion Resistance

Tool steel P3 has excellent corrosion resistance, making it ideal for use in environments where it will be exposed to harsh chemicals or corrosive elements. This makes it perfect for use in oil and gas production industries, where components need to withstand the elements without corroding or rusting. Additionally, its superior corrosion resistance makes tool steel P3 an ideal choice when producing medical instruments that require precision and cleanliness.

P3 Tool Steel Heat Resistance

Tool steel P3 also has superior heat resistance, which means that it can withstand temperatures up to 1000°C without losing its properties. This makes tool steel P3 an excellent choice for applications where components need to withstand extreme temperatures without warping or becoming brittle. For example, tool steel P3 can be used in the production of moulds for injection moulding processes or die-casting processes that require components to maintain their shape even at high temperatures.

P3 Tool Steel Heat Treatment & Machining

One of the advantages of using tool steel P3 is that it can be heat treated and machined easily with minimal effort. This means that you can achieve precision parts with a high degree of accuracy in terms of shape and size without having to invest too much time or money into the process. Additionally, its machinability ensures that you can produce complex shapes with ease while still maintaining accuracy and precision in the finished product.


In conclusion, tool steel p3 is an excellent material for use in a variety of industrial applications due to its superior corrosion resistance, heat resistance, and machinability. Whether you are looking for components that need to withstand extreme temperatures or parts with high accuracy and precision, tool steel p3 is an ideal choice for your business needs. For more information on how tool steel p3 can benefit your company’s operations, contact us today!

Related Post