Maduka Metals stands out as a top-notch manufacturer and supplier located in Abuja, Nigeria, with a focus on high-quality stainless steel products like the **Stainless Steel 347H Hex Bar**. The company prides itself on excellence and precision engineering, catering to a variety of industries such as construction, petrochemical, energy, and manufacturing. Maduka Metals delivers top-tier materials that adhere to global standards for strength, durability, and resistance to corrosion. The **Stainless Steel 347H Hex Bar** is designed to perform exceptionally well in high-temperature and high-stress situations, making it a go-to choice for both industrial and structural applications throughout Nigeria and beyond.
The **Stainless Steel 347H Hex Bar** is an austenitic stainless steel alloy that’s stabilized with niobium to prevent carbide precipitation and boost its strength at high temperatures. Typically, it contains 17–19% chromium, 9–13% nickel, and a carbon content of up to 0.10%. This alloy boasts impressive mechanical properties, including a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. It also shows remarkable resistance to creep, oxidation, and maintains toughness, making it perfect for applications that involve prolonged exposure to high temperatures and corrosive environments.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 347h | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-13.0 | 0.045 max. | 0.03 max. | 0.75 max |
| Element | Density | Melting Range,℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 347h | 7.96 | 1450 ℃ | 515 | 205 | 40 | 201 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 347H stainless steel contains high carbon content (0.04–0.10%), along with chromium (17–19%) and nickel (9–12%), which enhance its resistance to high temperatures and intergranular corrosion. Its stabilizing addition of tantalum or niobium prevents carbide precipitation, making it ideal for high-stress applications like hexagonal bars.
The high carbon content in SS 347H enhances its high-temperature strength and resistance to creep, making it suitable for extreme heat environments. Unlike lower-carbon steels, it stabilizes its microstructure, preventing carbide precipitation and improving oxidation resistance, which is crucial for high-temperature applications compared to other stainless steels like 304 or 316.
SS 347H Hex Bar is commonly used in the aerospace, chemical processing, and power generation industries. It is preferred for its excellent high-temperature resistance, resistance to intergranular corrosion, and stability in harsh environments. Its ability to withstand extreme temperatures and prevent carbide precipitation makes it ideal for critical applications.
Industries that require outstanding strength, heat resistance, and corrosion protection frequently utilize the **Stainless Steel 347H Hex Bar**. It’s commonly found in heat exchangers, boiler tubes, furnace parts, and exhaust manifolds, thanks to its ability to withstand high temperatures. In the petrochemical and power generation fields, it’s used for pressure vessels and reactor components. Moreover, its durability and formability make it a great fit for construction, food processing, and chemical processing equipment. With Maduka Metals’ high-quality 347H hex bars, you can count on reliable performance, structural integrity, and a long service life even in the most demanding industrial settings.
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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