Rupal Metals is a leading producer and supplier of High Speed Steel T42 Bars in Delhi, India. Having years of experience and an excellent reputation in the metal sector, Rupal Metals deals in offering high-performance steel products that are designed to satisfy the requirements of contemporary engineering and manufacturing. High Speed Steel T42 has a high cutting strength, resistance to wear, and reliability. The firm maintains high standards using innovative production processes and rigorous quality control. Both domestic and international markets are supplied by Rupal Metals with efficient, long-lasting, and cost-effective solutions for various industrial tooling applications.
High Speed Steel T42 Bars consist of a well-balanced composition of Carbon (1.30%), Tungsten (8.00%), Molybdenum (1.50%), Vanadium (1.10%), Chromium (4.00%), and Cobalt (10.00%). This combination is unique and offers better mechanical properties like excellent red hardness, compressive strength, and good resistance to wear. These bars are resistant to hardness loss at high temperatures up to 600°C, making them suitable for high-speed machining. Their strong microstructure and the alloying content enable them to withstand harsh conditions, providing stable performance and long tool life in precision applications.
| Aisi No. | Work No. | C. | Si. | Mn. | Cr. | Mo. | V. | W. | Co. | |
| T-42 | 1.3207 | 1.28 | 0.23 | 0.20 | 4.15 | 3.55 | 3.25 | 9.5 | 10.0 |
| Density | 2.79 g/cm³ |
| Melting Point | 640 °C |
| Proof Stress | 270 MPa |
| Tensile Strength | 405 Min MPa |
| Elongation | 12 Min % |
| Bohler | AISI | BS | IS | JIS | DIN |
| S 700 | T42 | BT42 | XT125WCo10 CrMo4V3 | SKH-57 | (1.3207) |
| Thermal Expansion | 23.10 x10^-6 /K |
| Modulus of Elasticity | 73 GPa |
| Thermal Conductivity | 121-193 W/m.K |
Yes, T42 Alloy High-Speed Steel Bars can be heat treated. They are typically hardened through heat treatment processes like quenching and tempering to enhance hardness, wear resistance, and performance.
Welding T42 High-Speed Steel Bars is challenging due to their high carbon content and hardness. If welding is required, preheating and post-weld heat treatment are often necessary to prevent cracking and ensure strength.
T42 High-Speed Steel Bars should be stored in a dry, cool environment to prevent rust and corrosion. They should be kept off the ground, ideally on wooden or plastic pallets, and protected from moisture and extreme temperatures.
High Speed Steel T42 Bars find extensive application in the production of high-performing cutting tools such as reamers, drills, milling cutters, taps, and form tools. Due to their good edge retention properties at high temperatures, they are suitable for machining hard and heat-resistant materials including stainless steel, titanium, and superalloys. They are also appropriate for making dies, punches, and precision parts utilized in industries like the automobile, aerospace, defense, and heavy engineering sectors. Their higher wear resistance and durability guarantee longer service life, less downtime, and better productivity in tough industrial processes.






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