Isis Metals stands out as a top-notch manufacturer and supplier located in Manila, Philippines, focusing on high-quality Tool and Die Steel O1 Bars tailored for precision engineering and industrial needs. Known for our dedication to excellence, we offer O1 steel bars that comply with international standards for hardness, wear resistance, and dimensional stability. Our products are perfect for tooling, die-making, and machining tasks that require outstanding performance and durability. With cutting-edge processing methods and rigorous quality control, Isis Metals guarantees consistent quality, dependable delivery, and cost-effective solutions for clients throughout the Philippines and the global manufacturing sector.
Tool and Die Steel O1 Bars are oil-hardening, cold-work steels made up of roughly 0.9% carbon, 1.0–1.4% manganese, 0.5% chromium, 0.5% tungsten, along with small amounts of silicon and vanadium. After heat treatment, they can reach a hardness of up to 62 HRC and boast excellent dimensional stability. O1 steel provides a tensile strength ranging from about 1,400 to 1,600 MPa and offers good machinability in its annealed state. Its blend of wear resistance, toughness, and ease of heat treatment makes it an ideal choice for precision tools and dies that face moderate service conditions.
| 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 find extensive use in crafting tools that demand high precision, wear resistance, and dimensional stability. In the tooling sector, they are perfect for producing cutting tools, punches, dies, and reamers. The automotive and aerospace industries utilize O1 steel for forming dies, gauges, and shear blades. In woodworking and metalworking, it’s employed for knives, chisels, and molds due to its toughness and ability to retain an edge. The remarkable hardening response and durability of O1 steel also make it a great fit for jigs, fixtures, and other components that need to withstand high wear and stress.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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