P20 (1.2311) Tool Steel

P20 Plastic Mould Steel: The Universal Base for Injection Moulding. Pre-hardened and balanced for excellent machinability and finish.

P20 (1.2311) Tool Steel

1.2311 (P20) is the foundational pre-hardened tool steel for the plastic industry. It is vacuum-degassed to ensure internal cleanliness, providing a reliable substrate for machining complex cavities without encountering internal defects.

Chemical Composition	Percentage %
Chromium	1.20%
Carbon	0.40%
Manganese	1.00%
Silicon	0.25%
Vanadium	0.40%
Molybdenum	1.00%

The heat treatment process for P20 tool steel must be precisely controlled to suit the size, geometry, and section thickness of each individual component. Important variables such as heating temperature, cooling rate, and soaking time are determined based on the required mechanical properties and end-use application. Process efficiency is also influenced by factors such as furnace type, quenching medium, and the method used for safe workpiece transfer during treatment. For reliable hardness, toughness, and dimensional stability, it is advisable to consult qualified heat treatment professionals for P20 grade-specific recommendations.

Certified Quality Assurance

At Progressive Metal Manufacturing, we ensure that every delivery of P20 tool steel adheres to the highest global benchmarks. Our supply chain is managed under a rigorous ISO 9001 quality management system, guaranteeing that the material you receive is chemically consistent and structurally sound. This commitment to quality assurance provides manufacturers with the reliability needed for complex tool-making, ensuring that your molds and components maintain their integrity throughout long production cycles.

Industrial Applications & Versatility

P20 (1.2311) is a versatile, pre-hardened chrome-moly steel specifically engineered for the plastics industry and high-stress mechanical parts.

Its excellent tensile strength and uniform hardness make it the industry standard for a variety of critical applications:

Plastic Injection Molding: The premier choice for injection molds, die holders, and complex mold cavities.

Die Casting & Support: Widely used in the production of zinc die casting dies, backers, and bolsters.

Mechanical Engineering: Due to its robust wear characteristics, it is frequently utilized for high-performance shafts, guide rails, and wear strips.

Precision Supply & Custom Specifications

We offer P20 tool steel in a wide range of formats, meticulously processed to meet your exact engineering specifications.

Our facility utilizes advanced sawing technology to provide "ready-to-machine" pieces, helping you minimize material waste and accelerate your production timeline.

Our inventory capabilities include:

Precision Round Bars: Available in diameters ranging from 30⌀ to 280⌀, sawn to your specific length requirements.

Large-Format Plates & Sheets: Available in thicknesses from 20mm up to 850mm, ideal for heavy-duty mold bases.

Custom Rectangular Sections: Sawn from flat bar or plate to match your unique geometric blueprints.

Our technical sales team is ready to assist you with custom tolerances and logistical coordination to ensure your project stays on schedule.

P20 (1.2311) Tool Steel