Based in Houston, Texas, Luois Metals is a reputable manufacturer and supplier of rectangular bars made of alloy steel. Our extensive selection of superior rectangular bars is crafted from premium-grade alloy steels and is intended to satisfy the various demands of the industrial, construction, and engineering sectors. Our alloy steel bars are perfect for demanding applications because of their exceptional strength, toughness, and machinability. Luois Metals, which offers a range of sizes and heat-treated conditions, guarantees reliable performance, precise dimensions, and prompt delivery. We provide dependable alloy steel solutions to clients in the US and overseas markets with an emphasis on quality and client satisfaction.
Depending on the grade, alloy steel rectangular bars are made of elements like nickel, manganese, molybdenum, chromium, and carbon. By providing exceptional wear and fatigue resistance, yield strength, and tensile strength (up to 1000 MPa), these alloying elements improve the bar’s mechanical performance. To increase the bars’ toughness and hardness, heat treatment is an option. Rectangular bars made of alloy steel have good machinability and weldability, making them ideal for precision fabrication. They are appropriate for medium-to high-load applications in demanding service environments because they retain structural integrity under stress.
| 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.
Because of their strength, durability, and adaptability, alloy steel rectangular bars are used extensively in the fabrication, mechanical, and structural industries. Machine frames, support brackets, base plates, and automotive parts are among the frequently used applications. Additionally, they are used in the manufacturing of industrial machinery, heavy machinery, agricultural implements, and tooling fixtures. These bars are used as structural reinforcements and high-stress components in the oil and gas and power generation industries. They are perfect for welding, cutting, and shaping into unique parts for use in both standard and high-performance engineering applications because of their exceptional machinability and formability.






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