Hemi Metals, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of Alloy Steel Hex Bars. These bars are designed for high strength, durability, and dependable performance in tough industrial settings. The company is well-known for its precision-engineered alloy steel products, focusing on hex bars that boast accurate dimensions, robust structural integrity, and consistent metallurgical quality. Industries that require tough, wear-resistant materials for heavy loads and mechanical stress, such as automotive, oil and gas, heavy machinery, and general engineering, trust Hemi Metals to deliver Alloy Steel Hex Bars that meet international standards and exceed customer expectations.
Alloy Steel Hex Bars are generally made from medium-carbon steel, blended with elements like chromium, molybdenum, manganese, and nickel, depending on the specific grade. These alloying elements improve hardenability, tensile strength, and wear resistance. The bars exhibit strong yield properties, high toughness, and excellent fatigue resistance, particularly when they undergo quenching and tempering. They maintain their shape and stability even under heavy loads and cyclic stress. Additionally, Alloy Steel Hex Bars offer good machinability and weldability compared to higher-carbon steels, making them ideal for precision-machined components that require durability and long-lasting mechanical performance.
| 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.
Alloy Steel Hex Bars find extensive use in industries that need robust, wear-resistant, and high-performance components. They’re commonly found in automotive parts, fasteners, shafts, gears, studs, and heavy-duty mechanical assemblies. Manufacturers in the oil and gas sector utilize them for high-pressure components, drilling tools, and wellhead fittings. In heavy machinery and construction equipment, these bars are essential for linkages, couplings, and load-bearing parts that face continuous stress. Their hexagonal shape provides added benefits in various applications, ensuring reliability and efficiency in demanding environments.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
Copyright 2024 Hemi Metals. All rights reserved