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Mazin Fasteners, a reputable manufacturer and supplier located in Muscat, Oman, specializes in high-quality Super Duplex Steel Washers that are built to withstand the toughest industrial conditions. These washers are crafted using cutting-edge production techniques and rigorous quality control, ensuring they have precise dimensions, consistent thickness, and dependable mechanical stability. Mazin Fasteners caters to various industries, including oil and gas, offshore, petrochemical, marine, and power generation. Renowned for their exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, these washers are perfect for ensuring secure load distribution and long-lasting performance in challenging environments.
Super Duplex Steel Washers are made from super duplex stainless steel, which features a well-balanced austenitic-ferritic microstructure. This alloy typically includes around 24–26% chromium, 6–8% nickel, 3–4% molybdenum, and nitrogen, all of which contribute to its outstanding corrosion resistance and high strength. In terms of mechanical properties, these washers boast impressive tensile and yield strength, excellent toughness, and remarkable fatigue resistance. They maintain their shape and stability even under heavy clamping loads, pressure, and temperature fluctuations.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| 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 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
These washers are commonly utilized in settings that face highly corrosive conditions and significant mechanical stress. You’ll often find them in offshore platforms, oil and gas pipelines, desalination plants, chemical processing facilities, and marine structures, where they help evenly distribute loads and protect joint surfaces. Additionally, they are well-suited for pressure vessels, heat exchangers, and heavy industrial machinery, where durability, corrosion resistance, and mechanical reliability are essential.
At Mazin Fasteners, we make sure that our Super Duplex Steel washers are packed in the best way possible. Individual protection of each washer is done to avoid any form of damage, corrosion, or contamination that may occur during transportation. We employ the sturdy cartons and allow customization of packaging depending on your requirements. Proper labeling and packing enable identification and handling of the products as per the customers’ requirements, which are part of our mission to provide quality products in good condition.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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