Luois Metals stands out as a top-notch manufacturer and supplier of high-quality alloy steel hex bars, proudly based in Houston, USA. We’re known for our commitment to quality and precision, delivering durable and reliable hex bars that can handle the tough demands of today’s industries. Our products are crafted from premium alloy steels and utilize advanced manufacturing processes to guarantee outstanding strength, machinability, and resistance to corrosion. At Luois Metals, we provide a diverse selection of sizes and grades tailored for various industrial needs, all supported by our unwavering quality, prompt delivery, and exceptional customer service throughout the United States and beyond.
Alloy steel hex bars are made up of key elements like carbon, chromium, manganese, molybdenum, and nickel, which enhance their hardness, tensile strength, and resistance to heat and wear. Popular grades include 4140, 4340, and 1215. These bars can achieve tensile strengths of up to 1000 MPa and yield strengths of up to 850 MPa, depending on the heat treatment they undergo. The hexagonal shape not only provides a better grip but also adds stability during machining operations. With their impressive mechanical performance and precise dimensions, alloy steel hex bars are perfect for high-stress and precision components in demanding engineering settings.
| 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 |
| Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) |
| 7 x 7 | 0.337 | 19 x 19 | 2.479 | 38 x 38 | 9.916 |
| 8 x 8 | 0.44 | 20 x 20 | 2.747 | 40 x 40 | 10.988 |
| 9 x 9 | 0.556 | 21 x 21 | 3.029 | 42 x 42 | 12.114 |
| 10 x 10 | 0.687 | 22 x 22 | 3.324 | 45 x 45 | 13.906 |
| 11 x 11 | 0.831 | 24 x 24 | 3.956 | 48 x 48 | 15.822 |
| 12 x 12 | 0.989 | 25 x 25 | 4.292 | 50 x 50 | 17.168 |
| 13 x 13 | 1.161 | 26 x 26 | 4.642 | 53 x 53 | 19.29 |
| 14 x 14 | 1.346 | 28 x 28 | 5.384 | 55 x 55 | 20.774 |
| 15 x 15 | 1.545 | 30 x 30 | 6.181 | 60 x 60 | 24.723 |
| 16 x 16 | 1.758 | 32 x 32 | 7.032 | 65 x 65 | 29.015 |
| 17 x 17 | 1.985 | 34 x 34 | 7.939 | 70 x 70 | 33.65 |
| 18 x 18 | 2.225 | 36 x 36 | 8.9 | 75 x 75 | 38.629 |
Alloy steel hex bars are manufactured by hot rolling or forging alloy steel billets, followed by precision machining, annealing, and surface finishing to achieve the desired size, strength, and quality.
The best finishes for corrosion resistance in alloy steel hex bars and rods include zinc plating, chrome plating, electropolishing, and black oxide coating, as well as applying epoxy or powder coatings for additional protection.
Alloy steel hex bars and rods are durable due to their high-strength alloy composition, including elements like chromium, molybdenum, and nickel, enhancing hardness, corrosion resistance, and resistance to wear and fatigue.
You’ll find alloy steel hex bars widely used across various industries, including automotive, aerospace, oil and gas, construction, and heavy machinery. Their distinctive hexagonal shape enhances machinability and torque transfer, making them ideal for creating fasteners, nuts, bolts, shafts, tool components, and valve parts. In the oilfield and energy sectors, they’re often utilized in downhole tools and high-strength assemblies. Thanks to their superior strength, wear resistance, and ability to endure high pressure and temperature conditions, they are the go-to choice for precision-engineered applications in both structural and mechanical fields.






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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