Starc Metals is your go-to manufacturer and supplier of top-notch Alloy Steel Square Bars, proudly based in Canberra, Australia. With a strong focus on excellence and precision, we deliver durable and reliable alloy steel products that meet both national and international standards. Our Alloy Steel Square Bars are crafted to handle tough industrial applications, ensuring outstanding performance in a variety of environments. Thanks to our advanced manufacturing techniques and rigorous quality control, Starc Metals is dedicated to serving industries like construction, automotive, and machinery with integrity, innovation, and exceptional customer service throughout Canberra and beyond.
Our Alloy Steel Square Bars are made from essential elements like carbon, manganese, chromium, molybdenum, and nickel. These alloying components boost the bars’ strength, toughness, and resistance to wear and corrosion. They showcase impressive tensile strength, excellent yield strength, and good impact resistance, making them perfect for heavy-duty applications. Typical mechanical properties include a tensile strength of 600-850 MPa and a yield strength ranging from 400-600 MPa. Heat treatment processes further improve hardness and durability, ensuring reliable performance even in harsh mechanical and structural 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 |
| Diameter or Width (mm) | Weight per meter | Sectional Area | Perimeter | |||
| Square (kg) | Round (kg) | Square (cm²) | Round (cm²) | Square (cm) | Round (cm) | |
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
Alloy steel square bars are manufactured through processes like hot rolling, cold drawing, or forging. The steel is heated, shaped into square forms, and then cooled and finished to desired specifications.
Yes, alloy steel square bars are customizable in terms of size, length, and grade. They can be tailored to specific applications based on customer requirements and industry standards.
Alloy steel square bars and rods are durable due to their alloying elements, such as chromium, nickel, or molybdenum, which enhance strength, hardness, resistance to corrosion, and ability to withstand high temperatures.
You’ll find Alloy Steel Square Bars from Starc Metals widely used across various industrial and commercial sectors, thanks to their exceptional strength and durability. They’re commonly employed in manufacturing machine parts, fasteners, automotive components, tools, and heavy equipment structures. These bars are also popular in construction for support frames, braces, and reinforcement. Their outstanding mechanical properties make them ideal for high-stress environments, such as oil and gas, mining, and power generation industries. Whether you need them for machining, welding, or fabrication, Starc Metals’ alloy steel square bars promise dependable performance in demanding operational conditions.






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