Luois Metals stands out as a reliable manufacturer and supplier of Tool and Die Steel W1 Bars, proudly serving clients throughout Houston, USA. With a strong commitment to quality and precision, Luois Metals offers top-notch W1 steel bars that are perfect for demanding industrial applications. These bars are crafted using cutting-edge manufacturing techniques and rigorous quality control measures to guarantee exceptional performance, durability, and consistency. Whether you need them for tool-making, die production, or intricate machining tasks, Luois Metals has tailored solutions to fit a variety of specifications. With their technical know-how and responsive customer support, the company has built a solid reputation for reliability and excellence in the steel industry.
Tool and Die Steel W1 Bars are high-carbon, water-hardening steels that contain around 0.90–1.05% carbon, along with manganese (0.20–0.40%) and trace amounts of silicon. This unique composition results in outstanding hardness after heat treatment. When fully hardened, W1 bars can achieve a Rockwell hardness of up to 64 HRC. They offer impressive compressive strength, good wear resistance, and fair toughness. The fine grain structure of the steel allows for precise machining and a consistent response to heat treatment, making it an excellent choice for tools that require a sharp cutting edge and stability under stress.
| Element | Content (%) |
|---|---|
| C | 0.70-1.50 |
| Mn | 0.10-0.40 |
| Si | 0.10-0.40 |
| Cr | 0.15 |
| Ni | 0.2 |
| Mo | 0.1 |
| W | 0.15 |
| V | 0.1 |
| Cu | 0.2 |
| P | 0.025 |
| S | 0.025 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 1680 MPa | 244000 psi |
| Tensile strength, yield | 1500 MPa | 218000 psi |
| Poisson’s ratio (25°C) | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 3.50% | 3.50% |
| Bulk modulus | 140 GPa | 20300 ksi |
| Shear modulus | 80.0 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Charpy impact, unnotched | 86.0 J | 63.4 ft-lb |
| Hardness, Brinell (converted from Rockwell C Hardness) | 498 | 498 |
| Hardness, Knoop (converted from Rockwell C Hardness) | 558 | 558 |
| Hardness, Rockwell C | 50.0-51.0 | 50.0-51.0 |
| Hardness, Vickers (converted from Rockwell C Hardness) | 531 | 531 |
| Machinability (based on AISI 1212 steel as 100% machinability) | 40 | 40 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.83 g/cm3 | 0.283 lb/in3 |
| Melting point | 1435°C | 2615°F |
| Properties | Conditions | ||
|---|---|---|---|
| T (ºC) | Treatment | ||
| Thermal expansion | 10.4 x 10-6/ºC | 20-100 | – |
| Thermal conductivity | 48.3 x W/mK | 100 | – |
Tool and Die Steel W1 bars are recyclable, reducing environmental impact. However, their production involves energy-intensive processes. Sustainable practices can enhance their eco-friendliness, such as using recycled materials and cleaner manufacturing methods.
Tool and Die Steel W1 bars are not highly resistant to corrosion, as they are high-carbon steels. They can rust when exposed to moisture, requiring proper maintenance, such as coating or regular oiling, to prevent corrosion.
Tool and Die Steel W1 bars are not ideal for structural applications due to their high carbon content, which makes them brittle and less ductile. They are better suited for tools, dies, and cutting applications where hardness and wear resistance are crucial. For structural applications, steels with better toughness and strength, like carbon or alloy steels, are preferred.
W1 tool and die steel bars are utilized mainly in creating cutting tools, dies, and molds because of their high hardness, wear resistance, and ability to maintain sharp edges, even at elevated temperatures. Such bars are extensively used in the production of tools, such as drill rods, reamers, taps, and punches. Furthermore, they find applications in the construction of small precision parts, like bearings and inserts, which have good abrasion resistance. High carbon content of the steel enables easy hardening and tempering, thus ideal for applications demanding precision and durability under stress and extreme working conditions.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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