Hemi Metals, based in Hamilton, New Zealand, is a reliable manufacturer and supplier of Alloy Steel Bright Bars, celebrated for their exceptional strength, precise dimensions, and outstanding surface finish. These bars are crafted using precision drawing, peeling, or grinding techniques, which guarantee tight tolerances and top-notch mechanical performance. Hemi Metals provides bright bars that cater to the rigorous demands of engineering applications where dependability and consistent material behavior are crucial. Their Alloy Steel Bright Bars are extensively supplied to sectors like automotive, machinery, oil & gas, and general manufacturing. The company upholds strict quality control to ensure that each bar aligns with international standards and industry expectations.
Alloy Steel Bright Bars are generally composed of medium to high-strength alloy steels that include elements like chromium, molybdenum, manganese, nickel, and carbon, depending on the specific grade. These alloying components boost tensile strength, hardness, and wear resistance. The processing of bright bars enhances their mechanical stability, ensures excellent straightness, and improves dimensional accuracy. These bars exhibit strong fatigue resistance, good toughness, and reliable performance under load. Additionally, their refined surface finish enhances machinability. In summary, Alloy Steel Bright Bars deliver dependable structural integrity for precision-engineered components across a variety of industries.
| 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 bright bars can typically withstand temperatures ranging from -50°C to 550°C (or higher for specific grades), depending on the alloy composition and heat treatment, offering excellent heat resistance.
Alloy steel bright bars and rods are available in various diameters ranging from 5mm to 200mm, with lengths typically from 3 meters to 6 meters, customized to meet specific requirements.
Alloy steel bright bars are durable due to their high strength, corrosion resistance, and toughness. The alloying elements, such as chromium, molybdenum, and nickel, enhance wear resistance, heat resistance, and overall mechanical properties.
Alloy Steel Bright Bars find extensive use in manufacturing and engineering applications that demand high accuracy, strength, and a smooth surface finish. They are commonly utilized for fasteners, shafts, studs, bolts, connecting rods, pins, gears, machine components, and automotive parts. CNC machining industries favor bright bars for their dimensional stability and consistent machinability. They are also employed in hydraulic equipment, oil & gas tools, structural assemblies, and heavy machinery where high load-bearing capacity is essential.






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
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