Al Summan Metals, a well-regarded manufacturer and supplier based in Dubai, UAE, focuses on premium Tool and Die Steel O1 Bars that are engineered for precision tooling and outstanding performance. These oil-hardening tool steels are renowned for their impressive dimensional stability and wear resistance, which makes them a preferred option in industries requiring precise cutting and forming tools. Al Summan Metals is proud to guarantee that each O1 Bar is produced from superior raw materials and advanced processing methods, all conforming to international standards. The Tool and Die Steel O1 Bars offered by Al Summan Metals deliver excellent machinability, hardness, and toughness, making them ideal for high-precision industrial and engineering applications.
The Tool and Die Steel O1 Bars are made up of carbon, chromium, manganese, tungsten, and vanadium, which combine to deliver a balanced blend of hardness, strength, and toughness. Because of the oil-hardening process, these bars undergo very little distortion while being heat treated. Mechanically speaking, O1 Bars offer outstanding wear resistance, strong compressive strength, and reliable edge retention. Their fine grain structure adds to an excellent surface finish and precision, which makes them perfect for high-accuracy tooling and die-making applications.
| CHEMICAL PROPERTIES | O1 STEEL (%) |
|---|---|
| Carbon | 0.85-1.00 |
| Manganese | 1.00-1.40 |
| Silicon | 0.50 |
| Chromium | 0.40-0.60 |
| Nickel | 0.30 |
| Tungsten | 0.40-0.60 |
| Vanadium | 0.30 |
| Copper | 0.25 |
| Phosphorus | 0.03 |
| Sulfur | 0.03 |
| MECHANICAL PROPERTIES | O1 STEEL (Imperial) |
|---|---|
| Tensile Strength | 245000 psi |
| Yield Strength | 218000 psi |
| Elongation at Break | 0.00% |
| Modulus of Elasticity | 31000 ksi |
| Hardness (Rockwell) | 50 |
| Hardness (Vickers) | 517 |
| Hardness (Knoop) | 513 |
| Country | USA | German | Japan |
| Standard | ASTM A681 | DIN EN ISO 4957 | JIS G4404 |
| Grades | O1 | 1.2510/100MnCrW4 | SKS3 |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal expansion | 10.6 x 10-6/ºC | 20-260 | – |
When selecting O1 tool and die steel bars, weigh aspects such as hardness, resistance to wear, ease of machining, heat treatment needs, the planned use (e.g., cutting, stamping), and value for money over the long run.
O1 tool and die steel bars offer moderate corrosion resistance thanks to their carbon content and alloy makeup. Nevertheless, they are not stainless and may rust if not properly maintained, for example through coating or routine oiling.
These O1 Bars find widespread use in manufacturing cutting tools, punches, dies, reamers, gauges, and shear blades that demand strong dimensional stability and sharpness. They perform exceptionally in cold work applications such as stamping, forming, and trimming, where toughness and resistance to wear are crucial. Sectors including automotive, aerospace, and general engineering rely on O1 Bars to produce precision tools that provide steady performance and an extended service life. Their ideal combination of hardness and machinability makes them a preferred option for toolmakers worldwide.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
Copyright 2024 Al Summan Metals. All rights reserved
