Home > Duplex Steel > Duplex Steel S31803 Bolts
Victor Nickel Alloys is a reliable manufacturer and supplier of **Duplex Steel S31803 Bolts** based in Abuja, Nigeria. We provide top-notch fastening solutions tailored for high-performance industries. These bolts are celebrated for their exceptional **strength, corrosion resistance, and durability**, especially in tough and corrosive settings. Crafted to meet international standards, our **Duplex Steel S31803 Bolts** excel in resisting stress corrosion cracking, pitting, and crevice corrosion, making them perfect for **marine, chemical, and offshore applications**. At Victor Nickel Alloys, we prioritize precise engineering and unwavering reliability in every product to cater to a wide range of industrial fastening needs.
Our **Duplex Steel S31803 Bolts** are composed of approximately **22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen**, which together create a balanced austenitic-ferritic structure. They boast a **tensile strength of around 620 MPa**, a **yield strength of 450 MPa**, and an **elongation of 25–30%**. These bolts are particularly resistant to chloride-induced corrosion, possess high fatigue strength, and maintain good toughness even in extreme temperatures, making them a trustworthy choice for demanding mechanical and structural applications.
|
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 Victor Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Bolts in Abuja, Nigeria, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Nigeria, 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.
You’ll find **Duplex Steel S31803 Bolts** widely used in **oil and gas refineries, desalination plants, pressure vessels, heat exchangers, and chemical process equipment** due to their outstanding corrosion and oxidation resistance. They’re also essential in **marine engineering, the pulp and paper industry, construction, and power generation plants**, where exposure to corrosive elements and high stress is a regular occurrence. Their robust performance, durability, and cost-effectiveness make them the go-to option for **critical fastening applications** in challenging environments.
