Welcome to Maduka Metals, your trusted partner in Abuja for premium industrial materials. We take pride in being a leading manufacturer and supplier of high-strength Maraging Steel bar and rod, providing Nigerian industries with locally sourced solutions that meet rigorous international standards. Our commitment is to support the growth and precision of local engineering, aerospace, and manufacturing sectors with reliable, readily available products that empower innovation and build stronger foundations for the nation’s ambitious projects.
Maraging Steel is defined by its unique composition, primarily iron with significant additions of nickel, cobalt, and molybdenum, but with very low carbon content. This special blend allows it to develop exceptional mechanical properties through a simple aging heat treatment. The result is an incredible combination of ultra-high strength and toughness that is rare in other metals. It also maintains excellent machinability in its soft, pre-aged state, making it a versatile material for complex fabrication before achieving its final, formidable properties.
| Standard : | AMS, AMS, API |
| Specification : | ASTM A538, AMS 6512, Mil-S-46850D, BS S162, DTD 5212, MSRR 6551, MAT 102, MIA 101 |
| Size : | 20mm x 1200 x 500 |
| Specialize Sheets : | Shim, Perforated Sheet, B. Q. Profile. |
| Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
| Grade : | Maraging Steel 250/ 300 / 350 (UNS-K92890, K93120, S35000) |
| Grade | C | Mn | Si | Co | Fe | Ni | Mo | Ti | Al |
| Maraging C250 | .03max max | .10max max | .10max max | 7.50 max | Bal | 18.50 min | 4.80 max | .40 max | .10 max |
| Maraging C300 | .03max max | .10max max | .10max max | 9.0 max | Bal | 18.50 min | 4.80 max | .60 max | .10 max |
| Maraging C350 | .03max max | .10max max | .10max max | 12.0 max | Bal | 18.50 min | 4.80 max | 1.40 max | .10 max |
| Grade | Density | Average Coefficient of Thermal Expansion | Modulus of Elasticity |
| Maraging 250 | .289 lbs./cu.in | 5.6 x 10-6 in./ in./ ºF | 5.6 x 10-6 in./ in./ ºF |
| Maraging 300 | .289 lbs./cu.in | .289 lbs./cu.in | 292 lbs./cu.in |
| Maraging 350 | .289 lbs./cu.in | 6.3 x 10-6 in./ in./ ºF | 29.0x 10-6 psi |
| STANDARD | UNS | Material No | AMS | ASTM | Mil-S | BS | DTD | MSRR |
| Maraging Steel | K92890, K93120, S35000 | – | 6512 | A538 | 46850D | S162 | 5212 | 6551 |
Maraging Steel Rods are typically available in sizes ranging from 0.125 inches (3.175 mm) to 12 inches (305 mm) in diameter, with lengths varying from 12 inches (300 mm) to 20 feet (6 meters).
Yes, Maraging steel bars can be welded, but they require careful control of heat input and pre/post-weld heat treatment to avoid compromising the material’s strength and toughness.
Maraging steel rods are typically available in diameters ranging from 0.25 inches to 8 inches. Common finishes include cold drawn, polished, or ground, with standard lengths between 12 and 24 feet.
The remarkable strength-to-weight ratio of Maraging Steel bars and rods makes them indispensable in demanding fields. They are the backbone of aerospace components like landing gear and rocket motor cases, where failure is not an option. In tooling, they create long-lasting molds for plastic injection and die-casting that withstand intense pressure and wear. The material is also crucial in high-performance automotive parts, military applications, and specialized shafts for demanding machinery, proving its value anywhere extreme durability and reliability are paramount.
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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