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. In this blog post, we’ll dive deeper into why tool steel P3 can be beneficial to your business.

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.

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.

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.

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!

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

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