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Mazin Fasteners is a trusted manufacturer and supplier of Duplex Steel Stud Bolts S32205, proudly based in Muscat, Oman. We cater to high-performance industrial applications around the globe. Our focus is on precision manufacturing, rigorous quality control, and strict adherence to international standards. With state-of-the-art production facilities and a skilled technical team, we produce stud bolts that are engineered for exceptional strength and outstanding corrosion resistance. Our dedication to material traceability, dimensional accuracy, and timely delivery has made us a reliable partner for industries such as oil & gas, offshore, marine, petrochemical, and power generation.
Duplex Steel Stud Bolts S32205 are crafted from a specialized duplex stainless steel alloy that includes about 22% chromium, 5–6% nickel, 3% molybdenum, and a controlled amount of nitrogen. This carefully balanced austenitic-ferritic microstructure ensures remarkable corrosion resistance and impressive mechanical strength. These stud bolts boast nearly double the yield strength of traditional austenitic stainless steels, along with excellent tensile strength, toughness, and fatigue resistance. They also show outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, guaranteeing long-lasting dimensional stability.
| S32205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Grade | Duplex Steel UNS S31803 / S32205 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
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.
Duplex Steel Stud Bolts S32205 find their place in a variety of applications that demand high strength and exceptional corrosion resistance. Common uses include oil and gas pipelines, offshore platforms, subsea equipment, petrochemical plants, refineries, and desalination facilities. They are also widely utilized in pressure vessels, heat exchangers, valves, pumps, and marine structures that face chloride-rich and aggressive environments. These stud bolts are designed to perform reliably under high pressure, fluctuating temperatures, and corrosive conditions, making them perfect for critical and safety-sensitive applications.
At Mazin Fasteners, Duplex Steel Stud Bolts S32205 are meticulously packaged to ensure maximum protection and integrity during transit. Each bolt is carefully inspected and wrapped in protective materials to prevent damage and corrosion. Our packaging solutions include sturdy boxes and, when necessary, custom pallets to secure the products. Detailed labeling and documentation are provided to ensure easy handling and traceability. This commitment to quality packaging ensures that our fasteners arrive in optimal condition, ready for immediate use.
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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