Aiman Metals stands out as a top-notch manufacturer and supplier located in Kuala Lumpur, Malaysia, with a focus on high-quality High Speed Steel (HSS) T42 bars. Known for its reliability and excellence, Aiman Metals provides precision-engineered T42 bars that adhere to global standards, serving a variety of industrial needs. With a strong dedication to quality, innovation, and customer satisfaction, the company caters to clients in the toolmaking, automotive, aerospace, and engineering sectors. Supported by advanced manufacturing techniques and rigorous quality control, Aiman Metals guarantees a steady supply of high-performance T42 bars, solidifying its reputation in Malaysia’s metal manufacturing landscape.
High Speed Steel T42 bars are primarily made up of tungsten (W), cobalt (Co), chromium (Cr), molybdenum (Mo), vanadium (V), and carbon (C), which give them remarkable wear resistance and hot hardness. The typical composition features around 8% W, 1.5% V, 4% Cr, 10% Co, and 1.3% C. These bars showcase impressive compressive strength, excellent red hardness, and toughness. Their mechanical properties include a hardness of up to 65 HRC after heat treatment, along with high tensile strength and exceptional edge retention even in extreme working conditions—making T42 bars perfect for demanding cutting and machining tasks.
| 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 |
High Speed Steel T42 bars find extensive use in industries that demand outstanding heat resistance and durability. They are perfect for crafting precision cutting tools like drills, taps, reamers, broaches, end mills, and saw blades. In the aerospace and automotive fields, T42 bars are utilized in forming dies and cutting tools that withstand high temperatures and mechanical stress. Toolmakers favor T42 for its remarkable performance in high-speed machining and grinding operations. Its high red hardness makes it ideal for working with tough alloys and stainless steels, ensuring a long tool life and consistent performance in production settings.






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