Welcome to Maduka Metals, your trusted partner in Abuja for premium industrial materials. We specialize in supplying and manufacturing high-performance Nickel Alloy 200 forgings, engineered to meet the rigorous demands of various sectors. Our commitment is to provide Nigerian industries with locally sourced, superior-quality components that ensure reliability and longevity in critical applications. With a focus on excellence and customer support, we are proud to contribute to the strength and growth of the nation’s engineering and manufacturing landscape.
Nickel Alloy 200 is prized for its high nickel content, typically over 99%, making it exceptionally resistant to corrosion, especially in caustic environments. This non-age-hardenable alloy also offers excellent mechanical properties, including good thermal and electrical conductivity. Its strength and ductility remain stable across a wide range of temperatures, from deep cryogenic levels up to moderately high heats. These inherent qualities make it a dependable choice for forged components that must perform reliably under stress and in challenging conditions.
| Specifications | ASTM B564, ASME SB564 |
|---|---|
| Standard | BS 3072, BS 3073, BS 3074, BS 3075, BS 3076, NA11 DIN 17740, 17750, 17751, 17752, 17753, 17754, DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Nickel 200 | 0.15 max | 0.35 max | 0.35 max | 0.01 max | 0.25 max | 0.40 max | 99.0 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Nickel 200 | 8.9 g/cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 | Psi – 21500 , MPa – 148 | 45 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Nickel 200 | 2.4066 | N02200 | NW 2200 | NA 11 | НП-2 | N-100M | Ni 99.2 |
After forging Nickel Alloy 200, controlled cooling methods such as air cooling or furnace cooling are typically used to avoid rapid temperature changes and prevent distortion. Gradual cooling helps maintain the material's mechanical properties and prevent cracking.
Post-forging operations for Nickel Alloy 200 include annealing to relieve internal stresses and improve ductility, followed by machining or surface finishing to achieve precise dimensions and surface quality. These processes ensure the alloy's optimal performance and structural integrity.
The ideal temperature range for forging Nickel Alloy 200 is between 1,900°F (1,038°C) and 2,100°F (1,149°C). This range ensures proper malleability and helps achieve the desired mechanical properties during the forging process.
The versatility of our Nickel Alloy 200 forgings makes them indispensable across several key industries. They are commonly used for critical components in chemical processing equipment, such as valves and pump shafts, where resistance to corrosive acids and alkalis is paramount. You’ll also find them in food processing machinery, ensuring purity and durability, and in electrical and electronic applications for their conductive properties. From aerospace to marine engineering, these robust forgings provide a foundation of safety and performance for equipment that simply cannot afford to fail.






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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