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Marsh Nickel Alloys, a premier manufacturer and supplier in Canberra, Australia, specializes in providing high-quality Super Duplex Steel Screws. Renowned for their exceptional strength and corrosion resistance, these screws are ideal for applications in demanding environments such as offshore, chemical, and marine industries. Engineered to withstand extreme conditions,Marsh Nickel Alloys’ Super Duplex Steel Screws offer superior durability, ensuring long-lasting performance and reliability. TrustMarsh Nickel Alloys for cutting-edge fastening solutions tailored to meet your most rigorous industrial requirements.
Marsh Nickel Alloys stands out as a reliable manufacturer and supplier of **Super Duplex Steel screws** in Canberra, Australia, providing precision-engineered fastening solutions tailored for demanding industrial needs. With a strong commitment to quality, corrosion resistance, and mechanical strength, Marsh Nickel Alloys produces screws crafted from high-performance Super Duplex grades like **UNS S32750** and **UNS S32760**. These screws are built to endure extreme conditions across various industries, including offshore oil & gas, marine engineering, chemical processing, and construction. Renowned for their reliability and compliance with global standards, Marsh Nickel Alloys has become the go-to choice for Super Duplex Steel screws in Canberra.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Material Product | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
| Super Duplex Steel Screw | 760 | 550 | 15 | 32 Max |
What sets Super Duplex Steel screws apart is their **balanced microstructure of austenite and ferrite**, which grants them exceptional strength and corrosion resistance compared to regular stainless steels. They boast impressive resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking, particularly in saltwater and chemically aggressive settings. Beyond their high tensile strength, these screws maintain their structural integrity even in high-pressure and high-temperature environments.
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Marsh Nickel Alloys’ Super Duplex Steel screws are extensively utilized in **flanged joints**, **machinery assemblies**, **marine fittings**, **chemical tanks**, and **subsea installations**. Their remarkable durability and resistance to mechanical and chemical stress make them perfect for critical fastening applications where failure simply isn’t an option. Available in a variety of sizes, threads, and head types, Marsh Nickel Alloys ensures that each Super Duplex screw meets stringent performance standards, supporting Canberra’s industrial projects with reliable, corrosion-resistant fasteners.
