Maduka Metals is a reliable manufacturer and supplier located in Abuja, Nigeria, focusing on high-performance Stainless Steel 440C Hollow Bars. This particular grade is celebrated for its remarkable hardness, wear resistance, and ability to resist corrosion, making it perfect for tough industrial applications. At Maduka Metals, we pride ourselves on delivering precision-engineered 440C hollow bars that adhere to global quality standards, ensuring they are durable, strong, and dependable. With a strong commitment to customer satisfaction, timely deliveries, and top-notch material quality, we’ve established ourselves as a go-to source for stainless steel products across various sectors, including engineering, manufacturing, oil and gas, and construction.
Stainless Steel 440C Hollow Bar is made up of roughly 1.0% carbon, 16–18% chromium, along with trace amounts of manganese, silicon, and molybdenum. This high-carbon martensitic stainless steel showcases impressive hardness, achieving up to 58–60 HRC after heat treatment. It boasts a tensile strength of around 760 MPa and good compressive strength, along with moderate corrosion resistance in non-chloride environments. The alloy excels in edge retention and dimensional stability, making it perfect for components that require both mechanical strength and wear resistance in demanding conditions.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 440C | 1.20-0.95 | 18.00-16.00 | 1.00 | 1.00 | 0.04 | 0.03-0.15 | 1.00 |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 440C | 1.20-0.95 | 18.00-16.00 | 1.00 | 1.00 | 0.04 | 0.03-0.15 | 1.00 |
| Hollow Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
SS 440C hollow bar performs exceptionally well in harsh environmental conditions due to its high corrosion resistance, hardness, and wear resistance. It withstands exposure to moisture, chemicals, and high temperatures, making it suitable for demanding applications in extreme environments.
SS 440C hollow bar is known for its high hardness, excellent wear resistance, and good corrosion resistance. It offers strong mechanical properties, including high tensile strength and durability, making it ideal for applications requiring toughness and reliability in challenging environments.
Stainless Steel 440C Hollow Bars find their place in industries where strength and durability are crucial. They are commonly used in the production of bearings, valve parts, surgical instruments, pump shafts, nozzles, and high-performance mechanical components. Additionally, they are utilized in aerospace, marine, and defense sectors due to their hardness and resistance to corrosion. In the engineering and tooling industries, 440C hollow bars are ideal for crafting precision parts, cutting tools, and wear-resistant machine elements that need to perform consistently in challenging environments and under high-stress 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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