Chuck Metals is a reputable manufacturer and supplier based in Singapore, Pulau Ujong, known for providing top-notch High Speed Steel T1 Bars that excel in cutting performance and durability. These bars are celebrated for their impressive wear resistance, toughness, and their ability to retain hardness even at high temperatures, making them a go-to choice in precision tool manufacturing. Chuck Metals guarantees exceptional dimensional accuracy, consistent metallurgical properties, and high-performance outcomes, which makes T1 HSS Bars perfect for demanding machining tasks where efficiency and reliability are key.
High Speed Steel T1 Bars are mainly made up of high carbon and tungsten, along with chromium, vanadium, and trace amounts of other elements. Typically, their composition features about 18% tungsten, 4% chromium, 1% vanadium, and 0.70–0.80% carbon. This unique blend offers remarkable red hardness, wear resistance, and the ability to maintain a sharp cutting edge, even under intense heat and pressure during use. With the right heat treatment, T1 HSS Bars can reach hardness levels of approximately 63–66 HRC.
| ASTM A600 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| T1 | 0.62 | 0.80 | 0.10 | 0.40 | 0.03 | 0.03 | 0.20 | 0.40 | 3.75 | 4.50 | 0.90 | 1.30 | … | … | 17.25 | 18.75 | … | … |
| DIN ISO 4957 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| HS18-0-1/1.3355 | 0.73 | 0.85 | … | … | … | … | … | 0.65 | 3.60 | 4.50 | 1.00 | 1.20 | … | … | 17.20 | 18.70 | … | … |
| JIS G4403 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| SKH2 | 0.73 | 0.83 | … | 0.40 | 0.03 | 0.03 | … | 0.45 | 3.80 | 4.50 | 1.00 | 1.20 | … | … | 17.20 | 18.70 | … | … |
| Properties | Metric | Imperial |
| Density | 8.67 g/cm3 | 0.313 lb/in3 |
| Hardness, Rockwell C | 63.0 – 65.0 | 63.0 – 65.0 |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30457 ksi |
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | T1 | HS18-0-1/1.3355 | SKH2 |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal expansion | 9.7 x 10-6/ºC | 20-200 more | – |
| Thermal conductivity | 19.9 x W/m-K | 100 more | – |
Yes, High-Speed Steel T1 bars can be welded, but it requires specialized techniques like preheating and post-weld heat treatment to prevent cracking and maintain their hardness and strength properties.
High-Speed Steel T1 bars resist corrosion due to the presence of chromium, which forms a protective oxide layer on the surface. This enhances their resistance to moisture and chemical wear, prolonging tool life.
These High Speed Steel T1 Bars are widely utilized in the production of high-performance cutting tools, including drills, taps, milling cutters, reamers, saw blades, and lathe tools. Their capacity to endure high cutting speeds and temperatures without dulling makes them ideal for machining tough and abrasive materials. Industries such as aerospace, automotive, metalworking, and heavy engineering depend on T1 HSS Bars for precision machining, extended tool life, and improved productivity in both small and large-scale manufacturing processes.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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