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Based in the heart of Kinshasa, Okoye Nickel Alloys is a trusted partner for industries demanding both resilience and reliability. We specialize in supplying high-performance materials like Duplex Steel S31803 Bolts, crafted to endure the toughest environments. Our commitment is rooted in a deep understanding of local industrial needs, providing not just superior products but also expert support. When you choose Okoye Nickel Alloys, you’re choosing a local supplier dedicated to strengthening your most critical projects with components built for exceptional performance and longevity.
Duplex Steel S31803 Bolts are truly an engineering marvel, blending the best qualities of different steel types. Their unique composition includes a balanced mix of chromium, nickel, and molybdenum, with a deliberate addition of nitrogen. This specific recipe grants them remarkable mechanical strength, which is about double that of standard stainless steels. They also possess excellent toughness and a high resistance to stress corrosion cracking, making them incredibly durable under immense pressure and in harsh, corrosive settings.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Duplex Steel S31803
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 479 / 479 |
3 mm
to
200 mm
|
M02 to M30
|
|
Grade |
Tensile Strength
(MPa) min |
Elongation
(% in 50mm) |
Yield Strength
0.2% Proof (MPa) min |
Hardness
Rockwell C (HR C) |
|---|---|---|---|---|
| Duplex Steel Bolts S31803 |
621 |
25 |
448 |
21 max |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Bolts in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
The exceptional strength and corrosion resistance of Duplex Steel S31803 Bolts make them indispensable in fields where failure is not an option. You’ll find them securely fastening components in offshore oil and gas platforms, enduring the harsh marine environment. They are crucial in chemical processing plants, handling aggressive acids, and in demanding desalination facilities. Their reliability also extends to the construction of bridges and other major infrastructure projects, providing the vital structural integrity needed to ensure safety and longevity for decades to come.