Welcome to Maduka Metals, your trusted partner in Abuja for premium metal solutions. We specialize in supplying high-performance Incoloy round bars, bringing industrial-grade strength right to the heart of Nigeria’s projects. Our commitment is to provide not just a product, but a reliable foundation for the demanding applications across various sectors, ensuring our clients receive materials that are built to last and perform under the most challenging conditions.
Incoloy round bars are known for their unique composition, primarily a nickel-iron-chromium alloy enhanced with molybdenum and copper. This blend gives them exceptional mechanical properties, including high tensile strength and outstanding resistance to creep and stress corrosion cracking. They maintain their structural integrity and resist oxidation even when exposed to extremely high temperatures, making them incredibly durable and reliable for critical applications.
| Dimensions | BS, DIN, EN, AISI, JIS, ASME, ASTM |
|---|---|
| Size of Round Bars | Thickness: 2 milimeter-100 milimeter |
| Surface | Bright, Hot Rolled Pickled, Hairline, Cold Drawn, Sand Blasting Finished, Polished |
| Processing | cutting to 650 milimeter |
| Tolerance | H9, K9, H8, H12, K12, H11, H13, K10, K11, H10, or as per need |
| Finish | centreless ground, Cold (bright) drawn, smooth turned, hot rolled, slit rolled edge, peeled, Rough Turned, hot rolled annealed, Polish, Bright, Centreless Ground, Grinding & Black |
| Method | Cold Drawn, Hot Rolled, Cold Rolled Rod, Forged Round Bars |
| Condition | annealed, Hardened & tempered |
| Density | g/cm3 | 7.94 | |
|---|---|---|---|
| lb/in.3 | 0.287 | ||
| Melting Range | °F | 2475 – 2525 | |
| °C | 1357 – 1385 | ||
| Condition & Size | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Reduction of Area | Hardness |
|---|---|---|---|---|---|
| MPa, min | MPa, min | %, min | %, min | Rockwell, max | |
| Hot worked, as-hot-worked | 550 | 240 | 25 | … | … |
| Cold-worked and hot-worked, annealed | 515 | 205 | 30 | … | … |
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
|---|---|---|---|---|---|---|---|
| Diam. (Inch) | Bar Size | Diam. (mm) | Bar Size | Diameter (mm) | Bar Size | Diameter (mm2) | Bar Size |
| 0.250 | #2 | 5 | 5 | 6 | 6 | 100 | 10M |
| 0.375 | #3 | 5.5 | 5.5 | 10 | 10 | 200 | 15M |
| 0.500 | #4 | 6 | 6 | 13 | 13 | 300 | 20M |
| 0.625 | #5 | 7 | 7 | 16 | 16 | 500 | 25M |
| 0.750 | #6 | 8 | 8 | 19 | 19 | 700 | 30M |
| 0.875 | #7 | 9 | 9 | 22 | 22 | 1000 | 35M |
| 1.000 | #8 | 10 | 10 | 25 | 25 | 1500 | 45M |
| 1.125 | #9 | 11 | 11 | 29 | 29 | 2500 | 55M |
| 1.250 | #10 | 12 | 12 | 32 | 32 | ||
| 1.375 | #11 | 14 | 14 | 35 | 35 | ||
| 1.500 | #12 | 16 | 16 | 38 | 38 | ||
| 1.625 | #13 | 18 | 18 | 41 | 41 | ||
| 1.750 | #14 | 20 | 20 | 44 | 44 | ||
| 1.875 | #15 | 22 | 22 | 48 | 48 | ||
| 2.000 | #16 | 25 | 25 | 51 | 51 | ||
| 2.250 | #18 | 28 | 28 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
| Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot |
|---|---|---|---|---|---|---|---|---|
| 1/8″ | 0.062 | 0.019 | 22mm | 2.979 | 0.908 | 3-1/4″ | 41.996 | 12.800 |
| 3mm | 0.055 | 0.017 | 20mm | 2.470 | 0.753 | 3″ | 35.762 | 10.900 |
| 4mm | 0.098 | 0.030 | 24mm | 3.543 | 1.080 | 3-3/4″ | 55.780 | 17.001 |
| 5/32″ | 0.095 | 0.029 | 7/8″ | 3.038 | 0.926 | 3-1/2″ | 48.772 | 14.850 |
| 5mm | 0.154 | 0.047 | 1″ | 3.970 | 1.210 | 4-1/4″ | 72.249 | 21.908 |
| 3/16″ | 0.141 | 0.043 | 25mm | 3.871 | 1.180 | 4″ | 63.340 | 19.306 |
| 6mm | 0.223 | 0.068 | 27mm | 4.490 | 1.368 | 4-3/4″ | 90.249 | 27.366 |
| 7/32″ | 0.190 | 0.058 | 26mm | 4.170 | 1.271 | 4-1/2″ | 80.340 | 24.4487 |
| 7mm | 0.298 | 0.091 | 30mm | 5.548 | 1.691 | 5-1/2″ | 121.000 | 36.690 |
| 1/4″ | 0.249 | 0.076 | 1-1/8″ | 5.033 | 1.534 | 5″ | 99.940 | 30.461 |
| 8mm | 0.398 | 0.120 | 32mm | 6.314 | 1.894 | 6-1/2″ | 167.630 | 51.093 |
| 5/16″ | 0.387 | 0.118 | 1-1/4″ | 6.349 | 1.924 | 6″ | 143.900 | 43.860 |
| 3/8″ | 0.557 | 0.170 | 35mm | 7.553 | 2.390 | 7-1/2″ | 225.000 | 68.226 |
| 9mm | 0.498 | 0.152 | 1-3/8″ | 7.550 | 2.303 | 7″ | 196.000 | 59.432 |
| 11mm | 0.748 | 0.228 | 38mm | 8.903 | 2.792 | 10″ | 397.140 | 121.048 |
| 10mm | 0.620 | 0.189 | 36mm | 7.999 | 2.438 | 8″ | 254.55 | 77.586 |
| 12mm | 0.889 | 0.271 | 40mm | 9.872 | 3.009 | |||
| 7/16″ | 0.761 | 0.232 | 1-1/2″ | 8.951 | 2.715 | |||
| 13mm | 1.043 | 0.318 | 1-3/4″ | 12.179 | 3.712 | |||
| 1/2″ | 0.994 | 0.303 | 1-5/8″ | 10.449 | 3.200 | |||
| 9/16″ | 1.256 | 0.383 | 1-7/8″ | 13.977 | 4.260 | |||
| 14mm | 1.207 | 0.368 | 45mm | 12.555 | 3.807 | |||
| 5/8″ | 1.551 | 0.473 | 50mm | 15.414 | 4.698 | |||
| 15mm | 1.391 | 0.424 | 48mm | 14.205 | 4.330 | |||
| 17mm | 1.791 | 0.543 | 2-1/8″ | 17.963 | 5.475 | |||
| 16mm | 1.578 | 0.481 | 2″ | 15.906 | 4.848 | |||
| 18mm | 2.001 | 0.610 | 60mm | 22.205 | 6.768 | |||
| 11/16″ | 1.880 | 0.573 | 2-1/4″ | 20.128 | 6.135 | |||
| 3/4″ | 2.237 | 0.682 | 2-3/8″ | 22.435 | 6.838 | |||
| 2-1/2″ | 24.856 | 7.576 | ||||||
| 2-5/8″ | 27.409 | 8.354 | ||||||
| 2-3/4″ | 30.083 | 9.169 | – | – | – |
Incoloy Round Bars offer superior corrosion resistance, high-temperature strength, and durability, making them ideal for demanding industrial environments like chemical processing and marine applications.
Yes, Incoloy Round Bars are available in various grades, dimensions, and finishes, ensuring they can be tailored to meet specific project and industry requirements.
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
These bars are essential in environments where ordinary metals would quickly fail. You’ll find them at work in the heat exchangers and furnace components of power generation plants, within the demanding pipelines of oil and gas refineries, and in the chemical processing equipment that handles corrosive substances. Their resilience also makes them a preferred choice for pollution control and pharmaceutical manufacturing, proving invaluable wherever heat and corrosion are constant challenges.






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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