Garg Steels, a reputable manufacturer and supplier based in Chennai, India, proudly offers top-notch Tool and Die Steel O1 Bars. These bars are celebrated for their exceptional dimensional stability, hardness, and machinability. O1 is an oil-hardening, all-purpose tool steel that finds its place in precision engineering and die-making industries. At Garg Steels, quality is paramount, and they adhere strictly to international standards, providing O1 Bars in a variety of dimensions and custom specifications. These bars are perfect for tools that need sharp cutting edges and a long lifespan. With a strong commitment to excellence, Garg Steels caters to sectors like tooling, automotive, aerospace, and metal fabrication.
Tool and Die Steel O1 Bars generally consist of about 0.9% carbon, 1.0–1.4% manganese, 0.5% chromium, along with trace amounts of tungsten and vanadium. This oil-hardening steel is known for its impressive wear resistance, good dimensional stability, and fine-grained microstructure. After undergoing heat treatment, O1 Bars can reach hardness levels of up to 64 HRC. They also boast excellent machinability in their annealed state and maintain sharp cutting edges. Garg Steels guarantees precise composition and mechanical properties in every batch, making their O1 Bars perfect for demanding precision tooling 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 choosing O1 tool and die steel bars, consider factors like hardness, wear resistance, machinability, heat treatment requirements, intended application (e.g., cutting, stamping), and cost-effectiveness for long-term use.
O1 tool and die steel bars have moderate resistance to corrosion due to their carbon content and alloy composition. However, they are not stainless and can rust without proper maintenance, such as coating or regular oiling.
Tool and Die Steel O1 Bars are widely utilized in applications that demand high dimensional stability, sharp edge retention, and moderate wear resistance. They are ideal for crafting punches, dies, blanking tools, forming rolls, cutting blades, and gauges. Thanks to their machinability and ability to maintain close tolerances, O1 Bars are also a popular choice in mold-making and metal stamping industries. They perform reliably under moderate temperatures and stresses, making them suitable for both manual and automated tooling systems. Garg Steels provides O1 Bars customized to meet critical industrial needs, ensuring reliability, durability, and precision in every application.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Garg Steels is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Chennai, India
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