Tool and Die Steel P20 Bars are well-known for their outstanding machinability, wear resistance, and dimensional stability, making them a top choice for precision tooling and die applications. This pre-hardened chromium-molybdenum alloy steel strikes a perfect balance between hardness and toughness, ensuring reliable performance even during high-volume production runs. These bars are built to endure repeated stress, maintain their shape, and resist deformation, delivering dependable results in die casting, injection molding, and stamping processes. Thanks to their superior heat treatment stability and machinability, Tool and Die Steel P20 Bars are the go-to option for manufacturers looking for high-quality, durable tool steel solutions.
Made from medium carbon steel and alloyed with chromium, molybdenum, and trace amounts of vanadium, Tool and Die Steel P20 Bars offer excellent hardness, wear resistance, and toughness while remaining easy to machine in their pre-hardened state. P20 steel keeps its dimensional stability during heat treatment and shows minimal distortion, ensuring precise and consistent tooling performance. Its well-balanced mechanical properties make P20 Bars ideal for high-volume manufacturing settings where precision, durability, and a long service life are essential for creating molds, dies, and industrial components.
| C % | Mn % | Si % | Cr % | Mo % |
| 0.40% | 1.00% | 0.40% | 1.20% | 0.35% |
| Properties | Metric |
| Hardness, Brinell (Typical) | 300 |
| Hardness, Rockwell C (Typical) | 30 |
| Tensile Strength, Ultimate | 965-1030 MPa |
| Tensile Strength, Yield | 827-862 MPa |
| Elongation At Break (In 50 Mm (2″)) | 20.00% |
| Compressive Strength | 862 MPa |
| Charpy Impact (V-Notch) | 27.1-33.9 J |
| Poisson’s Ratio | 0.27-0.30 |
| Elastic Modulus | 190-210 GPa |
| Country | USA | German | GB/T | JIS |
| Standard | ASTM A681 | DIN EN ISO 4957 | GB/T 1299 | |
| Grades | P20 | 1.2311 | 3Cr2Mo | PDS-3 |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion | 12.8 X 10-6/ºC | 20-425 | – |
When choosing P20 tool and die steel bars, consider machinability, toughness, hardness, heat treatment capabilities, corrosion resistance, application requirements, cost-effectiveness, and availability of suitable sizes for your specific needs.
Tool and die steel P20 bars are typically sized by their diameter and length, with common diameters ranging from 1 inch to 10 inches, and lengths ranging from 10 to 20 feet.
Tool and die steel P20 bars are not ideal for high-temperature applications. While they offer good toughness and machinability, they have limited resistance to heat compared to steels designed for high-temperature environments.
These bars are extensively utilized in industries like injection molding, die casting, stamping, and forming. Their remarkable wear resistance and toughness make them perfect for mold bases, core pins, die inserts, and tooling components that demand high dimensional stability. P20 Bars excel in precision machining and fabrication tasks, promoting consistent and efficient production. With their blend of durability, machinability, and resistance to deformation, Tool and Die Steel P20 Bars ensure reliable performance in challenging industrial applications, making them a trusted material choice.






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