When it comes to Tool and Die Steel O1 Bars, they’re well-known for their impressive dimensional stability and dependable performance in cold-work applications. These bars are crafted with precision to guarantee uniform hardness, machinability, and a smooth surface finish, making them perfect for producing high-accuracy tools and components. Toolmakers across various industries appreciate O1 steel bars for their ease of heat treatment and consistent results. With a great balance of toughness, wear resistance, and durability, they ensure a long service life, performing effectively in demanding tooling environments that require sharp edges and stable dimensions.
The composition of Tool and Die Steel O1 Bars mainly includes high carbon and moderate chromium, along with manganese, tungsten, and vanadium to boost performance. This alloy structure delivers excellent hardness, good wear resistance, and predictable heat-treating behavior. On the mechanical side, O1 steel boasts high compressive strength, solid toughness, and the ability to keep sharp cutting edges even after extended use. Its remarkable dimensional stability during hardening makes it a go-to choice for precision tools that need accurate shaping and reliable mechanical properties under repeated stress.
| 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.
You’ll find Tool and Die Steel O1 Bars commonly used in the manufacturing of cutting tools, gauges, dies, shear blades, punches, reamers, and woodworking instruments. Their outstanding wear resistance and edge retention make them ideal for cold-work operations where precision and durability are crucial. Industries like automotive, metalworking, woodworking, and machining depend on O1 bars to create tools that must maintain accuracy over long periods. Plus, they’re also utilized in mold making, stamping tools, and forming dies, delivering consistent performance in applications that require both toughness and fine cutting capability.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
Copyright 2024 Sadiki Metals. All rights reserved
