Aiman Metals is one of the reliable suppliers of Alloy Steel Rectangular Bars in Kuala Lumpur, Malaysia, providing high-strength, abrasion-resistant products for structural uses, automotive industry, and industrial processes. The bars are precision-made from high-quality alloy steel grades such as 4140, EN19, and 4340. They possess superior toughness, hardness, and machinability. Aiman Metals provides rectangular bars in a range of thicknesses and widths that are ideal for machining, fabrication, and heavy-duty engineering applications demanding tough performance and dimensional precision.
Alloy Steel Rectangular Bars consist of carbon, chromium, molybdenum, and nickel, varying with grade. Typical grades offer tensile strength between ≈600 MPa and greater than 1000 MPa. Heat treatment can be done to improve hardness, resistance to fatigue, and ductility. They sustain high performance in thermal and mechanical stresses, with high wear and impact resistance.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter | 10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| High Speed Steel (HSS), HCHCR & OHNS in Grade | M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52 |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Element | C | Cr | Mn | Mo | P | S | Si | Ni |
| F5 | 0.15 Max | 4.0-6.0 | 0.30-0.60 | 0.44-0.65 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F1 | 0.15 Max | 3.0-5.0 | 0.30-0.60 | 0.40-0.50 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F22 | 0.05-0.15 | 2.00-2.50 | 0.30-0.60 | 0.90-1.10 | 0.035 Max | 0.040 Max | 0.50 Max | – |
| F91 | 0.08-0.12 | 8.0-9.5 | 0.30-0.60 | 0.85-1.05 | 0.020 Max | 0.010 Max | 0.20-0.50 | 0.40 Max |
| F9 | 0.15 Max | 8.0-10.0 | 0.30-0.60 | 0.90- 1.10 | 0.030 Max | 0.030 Max | 0.50- 1.00 | – |
| F11 | 0.10-0.20 | 1.00-1.50 | 0.40-0.65 | 0.44-0.65 | 0.025 Max | 0.040 Max | 0.50-0.80 | – |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
Alloy steel rectangular bars are not inherently environmentally friendly due to energy-intensive production processes and mining of raw materials. However, they can be recycled, reducing their environmental impact.
Yes, alloy steel rectangular bars are customizable in terms of dimensions, alloy composition, and surface finish. They can be tailored to specific applications, including strength, corrosion resistance, and shape requirements.
Alloy steel rectangular bars are durable due to their alloying elements like chromium, nickel, and molybdenum, which enhance strength, hardness, and resistance to wear, corrosion, and high temperatures, making them long-lasting.






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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