Semih Metals, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of high-performance alloys, particularly known for their premium-grade Nimonic R04261 Bars and Rods. With years of experience in metallurgy and precision engineering, this company is dedicated to delivering products that meet the rigorous demands of industries worldwide. Their Nimonic R04261 Bars and Rods are crafted with exceptional quality, providing durability, impressive resistance to oxidation, and outstanding mechanical strength. Semih Metals maintains consistent quality through strict manufacturing processes, making them a go-to partner for sectors like aerospace, power generation, chemical processing, and marine engineering on a global scale.
The Nimonic R04261 Bars and Rods are primarily made up of nickel, cobalt, and chromium, with added elements like molybdenum, titanium, and aluminum to boost strength and stability. This superalloy showcases remarkable mechanical properties, including excellent creep resistance, tensile strength, and toughness at high temperatures. It also offers superb corrosion and oxidation resistance, making it ideal for challenging operating conditions. Its carefully balanced metallurgical composition guarantees a long service life and reliability, even under extreme stress and thermal conditions, which is why it’s highly sought after for specialized industrial applications that demand top-notch material performance.
Material: RO4200-1, RO4210-2
Diameter:φ1.0-100mm
Length:200mm-9000mm
Standard: ASTM B394-98
Purity: ≥99.9% or 99.95%
Surface: bright
| Chemistry Composition (%) | ||||||||||||
| Designation | Chief component | Impurities maxmium | ||||||||||
| Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
| Nb1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.004 | 0.0015 | 0.002 |
| Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 |
| Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1″/2″ gage length, %, ≥ |
| RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 |
Yes, Nimonic R04261 rod can be coated with high-temperature resistant coatings like thermal spray coatings, ceramic coatings, or chrome plating for improved oxidation and corrosion resistance in harsh environments.
Nimonic R04261 rods typically come in standard sizes ranging from 3/16" to 3" in diameter, with lengths commonly available in 3 to 12 feet, depending on the supplier.
Yes, Nimonic R04261 bars can be recycled after use. As a high-performance nickel-chromium alloy, it retains its properties through recycling, making it suitable for reuse in manufacturing processes.
Nimonic R04261 Bars and Rods find extensive use in industries that require high strength and stability in extreme environments. In aerospace, they are utilized in gas turbine engines, exhaust systems, and afterburners due to their exceptional heat and stress resistance. Power generation facilities incorporate them into turbine blades, casings, and other components that operate at high temperatures. In the chemical and petrochemical industries, they are essential for reactors, heat exchangers, and processing equipment that need to withstand corrosion. The marine sector also relies on them for components that face seawater and high-pressure conditions, ensuring durability and performance.






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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