Welcome to Maduka Metals, your trusted partner in Abuja for premium specialty alloys. We take pride in supplying high-performance materials to Nigeria’s growing industrial sector, with a dedicated focus on the exceptional Nimonic R04261 bars and rods. Sourced with integrity and supplied with a commitment to local support, we provide the reliable foundation your most demanding projects require, ensuring you have access to world-class materials right here in the heart of the nation.
Nimonic R04261 is a nickel-chromium alloy strengthened with cobalt and molybdenum. It is specifically engineered to maintain impressive strength and resist oxidation at extreme temperatures, often up to 1150°C. This combination allows it to perform reliably under high stress and in aggressive environments where ordinary steels would quickly fail. Its excellent creep resistance means it can withstand constant load at high heat over very long periods, making it a truly durable and robust material for critical applications.
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.
You will find this alloy hard at work in the most challenging parts of aerospace engines and industrial gas turbines, where it’s essential for components like turbine blades and seals. Beyond aviation, it is crucial for high-temperature fixtures, fasteners, and hot-work tooling. In the petrochemical and power generation industries, these bars and rods are used to fabricate parts that must endure intense heat and corrosive atmospheres, ensuring longevity and safety in operations where failure is simply not an option.






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