Semih Metals is a reliable producer and supplier of metal goods based in Istanbul, Turkey, including high-quality alloy steel hexagonal bars and rods. Semih Metals are known for their unyielding commitment to excellence and catered to the automotive, aerospace, construction, and heavy machinery industries. Precision-engineered alloy steel hex bars and rods provide higher strength, durability, and resistance to wear and corrosion. Semih Metal was able to combine advanced manufacturing techniques with a dedicated customer service team that offers more value by tailoring solutions to fit every industrial need. With several years of expertise and a reputation for reliability, Semih Metals is the clear choice for superior alloy steel products.
Alloy steel hex bars and rods contain carbon (0.1–1.5%), manganese (0.3–2%), chromium (0.5–12%), molybdenum (0.2–1%), nickel (up to 5%), and trace elements such as silicon, vanadium, or tungsten that provide strength, hardness, and corrosion resistance. The mechanical properties are tensile strength of 600–1300 MPa, yield strength of 300–1100 MPa, and elongation up to 25%. These bars show excellent toughness, wear resistance, and impact and thermal stress resistance. Depending on the grade, they offer exceptional machinability for demanding applications in automotive, aerospace, and heavy machinery 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 |
| 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 and rods are versatile materials used in most industries because of their excellent strength, durability, and resistance to wear and corrosion. They are commonly used in manufacturing fasteners, such as bolts, nuts, and screws, in the automotive, construction, and aerospace sectors. These bars are also used in making machine components, shafts, and tools that demand high precision and strength. Alloy steel rods are used in pipelines and drilling equipment in the oil and gas industry. They are very adaptable to different machining processes and can withstand extreme conditions, making them essential for both structural and industrial applications.






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