Welcome to Maduka Metals, your trusted partner for high-performance materials right here in Abuja. We specialize in supplying top-quality Haynes 230 bars and rods, providing local industries with direct access to this exceptional superalloy. Our commitment is to support Nigeria’s growing engineering and manufacturing sectors by delivering materials that meet the most demanding standards, ensuring your projects are built on a foundation of reliability and excellence.
Haynes 230 is a nickel-chromium-tungsten-molybdenum alloy celebrated for its outstanding strength and resilience. It maintains remarkable stability and resistance to oxidation even when exposed to extreme temperatures up to 2200°F. This combination of a robust composition and superior mechanical properties makes it an incredibly durable choice, capable of withstanding severe thermal and mechanical stress without losing its structural integrity over time.
| tandards : | ASTM 5878, ASME S5878 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | P | S | Si | Ni | Cr | Fe | W | B | La | Co | Ai | Ti | Cu | La | Mo |
| Haynes 230 | 0.05-0.15 | 0.30-1.0 | 0.03 max | 0.015 max | 0.25-0.75 | Rem | 20.0-24.0 | 3.0 max | 13.0-15.0 | 0.015 max | 0.005-0.05 | 5.0 max | 0.20-0.50 | 0.10 max | 0.50 max | 0.005-0.05 | 1.0-3.0 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness HB |
| ksi – 758, MPa – 110 | ksi – 310, MPa – 45 | 35 % | 241 max |
| STANDARD | WERKSTOFF NR. | UNS |
| Haynes 230 | 2.4733 | N06230 |
Yes, Haynes 230 rods can be customized in size and length according to specific requirements. Suppliers typically offer customization to meet the needs of various industrial applications.
Haynes 230 bars and rods perform exceptionally well in high-temperature environments, offering excellent oxidation and creep resistance. They maintain strength and stability at temperatures up to 2,000°F (1,093°C).
To maintain Haynes 230 bars, regularly clean them to prevent corrosion, avoid exposure to harsh chemicals, store in a dry, controlled environment, and perform periodic inspections for any surface damage.
The unique capabilities of Haynes 230 make it indispensable for challenging environments. You’ll find it at the heart of industrial furnace components, gas turbine engine parts, and chemical processing equipment where heat and corrosion are constant threats. Its reliability also makes it a preferred material for aerospace applications and critical components in power generation systems, proving its value wherever performance cannot be compromised. It’s the go-to solution for engineers tackling the toughest operational conditions.






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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