Maduka Metals, a prominent manufacturer and supplier located in Abuja, Nigeria, has earned a solid reputation for crafting top-notch Stainless Steel 347H Forgings. These forgings are engineered for outstanding strength and heat resistance, utilizing cutting-edge techniques to guarantee exceptional performance in tough environments. With a strong emphasis on precision engineering, durability, and compliance with international quality standards, Maduka Metals ensures that its Stainless Steel 347H Forgings are perfect for high-temperature and high-pressure applications. The company’s dedication to quality and innovation means that their products reliably meet the demands of various industries, including petrochemical, power generation, and marine engineering.
Stainless Steel 347H Forgings are primarily made up of iron, along with 17–19% chromium, 9–13% nickel, and niobium, featuring a higher carbon content than 347 to enhance creep resistance. This austenitic stainless steel is known for its excellent resistance to intergranular corrosion and oxidation, even at elevated temperatures. On the mechanical side, it boasts high tensile and yield strength, along with good ductility and toughness, even under extreme conditions. The addition of niobium stabilizes the material, improving its structural integrity during cycles of heating and cooling, making it ideal for long-term use in high-temperature settings.
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Ni | Nb |
| 347 | 0.08 | 2.0 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | 9.0-13.0 | 10*C-1.0 |
| Grade | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
| 347 | 75【515】 | 30【205】 | 40 | 201 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| 347 | 1.4550 | S34700 | SUS347 | 08Ch18N12B | X6CrNiNb18-10 |
Yes, Stainless Steel 347 Rectangular Bars are designed to withstand high temperatures due to their excellent oxidation resistance and high-temperature strength. They are ideal for applications involving elevated temperatures, such as in aerospace and chemical processing.
Yes, Stainless Steel 347 Rectangular Bars are fully recyclable. Their high recyclability makes them an environmentally friendly option, as they can be reused without losing quality or performance.
The pressure rating of Stainless Steel 347 Rectangular Bars depends on factors such as size, thickness, and application. Generally, these bars are designed to withstand high pressure in demanding environments, but specific ratings should be confirmed based on the application's design codes and standards.
Stainless Steel 347 Rectangular Bars are used extensively in applications that require high corrosion resistance and superior mechanical strength. They are used in chemical processing, petrochemical plants, and food processing equipment for their excellent oxidation and intergranular corrosion resistance. These bars are also used in aerospace applications, power generation, and exhaust manifolds in high-temperature environments. Moreover, it is particularly suited to applications with heat exchangers, boiler tubes and pharmaceutical equipment for reliability in critical applications.
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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