Home > Maraging 250/300/350 Sheets and plates
Okoye Nickel Alloys is a reputable manufacturer and supplier located in Kinshasa, Congo, focusing on high-quality Maraging 250/300/350 Sheets and Plates that are perfect for high-performance engineering applications. Thanks to cutting-edge production technology and rigorous quality control, the company guarantees products that offer outstanding strength, toughness, and dimensional stability. Each grade—Maraging 250, 300, and 350—is specifically designed to meet unique performance standards, ensuring exceptional reliability even in the toughest environments. Okoye Nickel Alloys caters to various industries, including aerospace, defense, tooling, and power generation, delivering precision-engineered materials that adhere to global benchmarks for strength, durability, and consistent performance.
| Specification : | ASTM A538, AMS 6512, Mil-S-46850D, BS S162, DTD 5212, MSRR 6551, MAT 102, MIA 101 |
| Standard : | AMS, AMS, API |
| 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) |
| Weight% | Ni | Co | Mn | Si | C | Al | Mo | S | P | Ti | Fe | Cr | Cu |
| C250 | 17.0 / 19.0 | 7.0 / 8.5 | 0.10 max | 0.10 max | 0.03 max | 0.05 / 0.15 | 4.6 / 5.2 | 0.010 max | 0.010 max | 0.3 / 0.5 | Bal | 0.50 | 0.50 |
| Weight% | C | Si | Mn | S | P | Co | Ni | Mo | Ti | Al | Fe |
| Maraging 300 | 0.03 max | 0.10 max | 0.10 max | 0.010 max | 0.010 max | 8.0-9.5 | 18.0-19.0 | 4.6-5.2 | 0.55-0.80 | 0.05-0.15 | Bal |
| Weight% | Ni | Co | Mn | Si | C | B | P | S | Al | Mo | Ti | Zr |
| Maraging 350 | 18.50 | 12.0 | 0.10 max | 0.10 max | 0.03 max | 0.003 | 0.01 max | 0.01 max | 0.10 | 4.8 | 1.40 | 0.01 |
| Material | Condition | Ultimate Tensile (min) | Yield Strength (Min) | Elongation in 4D % (min) | Hardness | ||
| Mpa | Ksi | Mpa | Ksi | ||||
| Alloy Maraging C250 | After Maraging heat treatment 900°F | 1758 | 255 | 1724 | 250 | 6 | ≥ 48 HRC |
| Material | 0.2 % Yield Strength ksi | Ultimate Tensile Strength ksi | Elongation in 4D(%) | Reduction of Area % | Hardness Rc |
| Maraging 300, Solution Annealed 1500° F (816°C), 1hr, AC | 120 | 150 | 16 | 70 | 30 |
| Solution Annealed Plus Aged 900 ° F (482°C), 3 hrs AC | 280 | 290 | 8 | 40 | 52 |
| Material | 0.2 % Yield Strength ksi | Ultimate Tensile Strength ksi | Elongation in 4D(%) |
| Maraging 350 | 330 | 350 | 8 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Sheets and Plates in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Maraging 250/300/350 Sheets and Plates are extensively utilized in industries that require top-notch strength, toughness, and reliability. They are particularly suited for aerospace components, rocket motor casings, and aircraft landing gear due to their superior fatigue and impact resistance. In the tooling and engineering fields, they are employed for molds, dies, and high-performance machinery parts. The alloys’ excellent weldability and machinability also make them ideal for precision manufacturing. Furthermore, Maraging 250/300/350 Sheets and Plates find applications in defense, automotive racing, and power generation, where extreme durability is essential.
