Welcome to Maduka Metals, your trusted partner in Abuja for premium industrial materials. We take pride in supplying and manufacturing top-tier Inconel 686 bars and rods, offering local access to this globally recognized superalloy. Our commitment is to provide Nigerian industries with reliable, high-performance solutions backed by expert knowledge and dependable service, right here in the heart of the country.
Inconel 686 is a nickel-chromium-molybdenum alloy specifically engineered with added tungsten for exceptional resistance. Its composition gives it outstanding strength and toughness, even when exposed to extreme temperatures and pressures. This material maintains its integrity and resists corrosion in some of the most aggressive environments, including those containing oxidizing and reducing chemicals, making it incredibly durable for demanding applications.
| Element | Content (%) |
|---|---|
| Nickel, Ni | 59 |
| Chromium, Cr | 19-23 |
| Molybdenum, Mo | 15-17 |
| Iron, Fe | ≤ 5 |
| Tungsten, W | 3.0-4.40 |
| Manganese, Mn | ≤ 0.75 |
| Phosphorous, P | ≤ 0.040 |
| Sulfur, S | ≤ 0.020 |
| Titanium, Ti | 0.020-0.25 |
| Carbon, C | ≤ 0.010 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 721.9 MPa | 104700 psi |
| Yield strength (@strain 0.200%) | 364 MPa | 52800 psi |
| Elastic modulus | 207 GPa | 30000 ksi |
| Shear modulus | 77 GPa | 11200 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elongation at break | 71% | 71% |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 721.9 MPa | 104700 psi |
| Yield strength (@strain 0.200%) | 364 MPa | 52800 psi |
| Elastic modulus | 207 GPa | 30000 ksi |
| Shear modulus | 77 GPa | 11200 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elongation at break | 71% | 71% |
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@21-100°C/69.8-212°F) | 11.97 µm/m°C | 6.650 µin/in°F |
Yes, Inconel 686 Bars/Rods are designed to perform exceptionally well in high-temperature environments up to 980°C.
Yes, Inconel 686 bars/rods are weldable using standard techniques, but preheating and specialized filler materials are recommended to ensure strong, corrosion-resistant welds.
Yes, we provide bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@www.madukametal.com
The remarkable resilience of Inconel 686 bars and rods makes them ideal for the most challenging sectors. They are essential in chemical processing for equipment like reactors and pumps, and in pollution control systems for handling flue gases. You’ll also find them in marine engineering, oil and gas extraction, and pulp and paper production, wherever severe corrosion and high temperatures are a constant threat to equipment longevity and safety.






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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