Semih Metals, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-performance Nimonic Bars and Rods, serving a variety of industrial sectors. Known for their unwavering dedication to quality and precision, Semih Metals provides products that adhere to strict international standards. Their Nimonic Bars and Rods are specifically designed to endure extreme temperatures and harsh environments, making them perfect for critical applications in aerospace, power generation, and the chemical industry. With state-of-the-art production facilities and thorough quality control measures, Semih Metals guarantees consistent reliability and performance, establishing itself as a trusted ally for businesses in need of premium nickel-based superalloys.
Nimonic Bars and Rods are nickel-chromium-based superalloys, often enriched with cobalt, titanium, and aluminum to boost their high-temperature strength and oxidation resistance. These alloys are known for their remarkable creep resistance, tensile strength, and durability at elevated temperatures, typically between 700°C and 900°C. The exact composition can vary by grade, fine-tuning performance for various industrial needs. Mechanically, Nimonic Bars and Rods maintain their stability even under prolonged thermal stress, resist deformation, and exhibit excellent fatigue properties. Their unique blend of corrosion resistance, high yield strength, and thermal stability makes them essential in demanding engineering applications.
| Standards : | BS HR 5, BS HR 504, DIN 17752, AECMA PrEN2306, AECMA PrEN2307, AECMA PrEN2306, AECMA Pr EN2307, AECMA PrEN2402, ISO 9723, ISO 9724, ISO 9725, MSRR 7004 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | Si | Cu | Fe | Ni | Cr | Ti |
| Nimonic 75 | 0.08-0.15 | 1.0 max | 1.0 max | 0.5 max | 5.0 max | Bal | 18.0-21.0 | 0.2-0.6 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.37g/cm3 | 1340 – 1380 | Psi – 104,000 | Psi – 40,000 | 42 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Nimonic 75 | 2.4951 / 2.4630 | N06075 |
Nimonic rods can be susceptible to galvanic corrosion when in contact with more electropositive metals, especially in the presence of an electrolyte. Proper insulation or coating can help mitigate this risk.
Nimonic bars are available in various sizes, ranging from small diameters (6mm) to larger ones (up to 200mm). Common finishes include hot rolled, cold drawn, and polished.
Yes, Nimonic alloys, including Nimonic 75 and 80A, can be welded. However, proper welding procedures and pre- and post-weld heat treatment are essential to avoid cracking and ensure strength.
Nimonic Bars and Rods find extensive use in aerospace and aviation components like turbine blades, combustion chambers, and exhaust systems, where they regularly face extreme heat and stress. In the power generation sector, they are utilized in gas turbines, nuclear reactors, and boiler components due to their impressive high-temperature creep and oxidation resistance. The chemical processing industry relies on Nimonic alloys for equipment that must withstand corrosive chemicals and high thermal conditions. Additionally, they are employed in automotive, marine, and industrial machinery that requires long-lasting durability under challenging conditions.






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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