Grade 1.2311 steel, also known as P20 or P20 plastic mold steel, embodies a unique synergy between versatility and reliability, making it a cornerstone in the world of plastic injection molding. Renowned for its exceptional machinability, toughness, and wear resistance, 1.2311 steel serves as the backbone for producing a vast array of plastic components across industries.
At its core, 1.2311 steel is characterized by its balanced alloy composition, comprising chromium, manganese, and carbon, along with small amounts of molybdenum and nickel. This carefully calibrated blend of elements imparts the steel with high hardness and excellent polishability, ensuring the production of molds with smooth surfaces and precise dimensions.
One of the standout features of 1.2311 steel is its exceptional machinability. Its homogeneous microstructure and fine grain size allow for effortless machining and polishing, facilitating the creation of intricate mold cavities and complex part geometries with ease. This enables manufacturers to achieve faster production cycles and higher levels of productivity, ultimately driving down costs and enhancing competitiveness.
Moreover, 1.2311 steel exhibits remarkable toughness and impact resistance, crucial properties for withstanding the stresses and strains of plastic injection molding processes. Its ability to endure repeated cycles of heating and cooling without succumbing to deformation or cracking ensures the longevity and reliability of molds, leading to consistent part quality and reduced downtime.
Furthermore, the versatility of 1.2311 steel extends beyond its performance in injection molding applications. Its exceptional surface finish and dimensional stability make it well-suited for a range of tooling applications, including extrusion dies, forging dies, and die casting molds. This adaptability underscores its value as a multipurpose tool steel, capable of meeting the diverse needs of modern manufacturing.
In essence, Grade 1.2311 steel represents a harmonious blend of performance and adaptability, embodying the ingenuity of materials science in meeting the challenges of contemporary production environments. As industries continue to innovate and evolve, the role of 1.2311 steel in shaping the future of manufacturing remains steadfast, its reliability and versatility serving as a beacon of excellence in the realm of plastic mold engineering.
Chemical Composition:
| C | Mn | Si | Cr | Ni | Mo | P | S | P+S | V | W |
| 0.38 | 1.5 | 0.3 | 2 | – | 0.20 | 0.025 | 0.003 | – | – | – |
HARDNESS:
| HB | HRC |
| 280-325 | 29-33 |
TECHNICAL PROPERTIES:
| Machinability | Polishability | Texturability |
| ●●● | ● | ●● |
Application:
Plastic moulds with excellent surface finishing properties. It is also used for mould frames, plates, dies box, etc.