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Mira Fasteners is a leading manufacturer and supplier of Super Duplex Steel Stud Bolts S32750 in Kuala lumpur, Malaysia. Our S32750 stud bolts are renowned for their exceptional strength, corrosion resistance, and durability in extreme conditions. Designed for high-pressure applications, they offer reliable performance and longevity. We provide top-quality fasteners tailored to your specific needs, backed by our commitment to excellence and superior customer service.
Super Duplex Steel S32750 stud bolts are top-notch fasteners crafted for demanding applications that need outstanding strength, corrosion resistance, and durability. Made from UNS S32750, a super duplex stainless steel alloy, these bolts feature a unique dual-phase microstructure of austenite and ferrite, giving them exceptional mechanical properties and the ability to resist various types of corrosion, such as pitting, crevice, and stress corrosion cracking. They’re commonly found in marine, offshore, petrochemical, and chemical processing industries, making them perfect for tough environments where regular stainless steels just can’t cut it.
| 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 stud bolts boast impressive mechanical strength, with a typical minimum tensile strength of 800 MPa and a yield strength of 550 MPa. The alloy is composed of about 25% chromium, 7% nickel, 4% molybdenum, and a touch of nitrogen, which boosts its resistance to localized corrosion while enhancing weldability and toughness. Super Duplex S32750 also performs well in a wide range of temperatures, from freezing conditions to high heat. This blend of high strength and corrosion resistance allows for lighter structures without sacrificing safety or durability.
You’ll find Super Duplex Steel S32750 stud bolts in various applications, including subsea equipment, pressure vessels, heat exchangers, offshore oil rigs, desalination plants, and chemical reactors. They’re especially well-suited for bolted connections that face seawater, brine, and other corrosive substances. With their long service life and low maintenance needs, these stud bolts offer a cost-effective solution for challenging projects. Their reliability in harsh conditions, paired with a high load-bearing capacity, ensures safe and secure performance in even the toughest industrial settings.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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