Welcome to Maduka Metals, your trusted partner for industrial-grade materials right here in the heart of Abuja. We specialize in providing top-tier High Speed Steel T42 Bars, engineered for those who demand exceptional performance and durability in their tools and machinery. Our commitment is to supply local manufacturers and workshops with a reliable source of high-quality steel, ensuring your projects and production lines run smoothly and efficiently, backed by our dependable service and deep understanding of the Nigerian market.
The composition of High Speed Steel T42 is a sophisticated blend, rich in tungsten, cobalt, vanadium, and molybdenum. This unique formula gives the steel its remarkable ability to retain hardness and strength even when exposed to the high temperatures generated during intense cutting or machining operations. Essentially, it’s engineered to stay sharp and resist wear under demanding conditions, making it a superior choice where ordinary tool steels would quickly soften and fail.
| 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.
When it comes to practical use, High Speed Steel T42 Bars are the go-to material for creating high-performance cutting tools. They are expertly fashioned into drill bits, end mills, taps, and saw blades that are built to tackle tough materials like stainless steel, high-strength alloys, and even certain abrasives. Beyond cutting, these bars are also perfect for parts that must endure significant friction and heat, such as punches and dies, ensuring longevity and reliability in demanding industrial settings from automotive to heavy machinery fabrication.






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