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The Fasteners Mart, based in Mumbai, India, is a prominent distributor of high-quality fasteners serving various industries such as oil and gas, petrochemical, marine, and construction. Among its high-performance products are Super Duplex Steel Stud Bolts S32750. Composed of a mixture of chromium, molybdenum, and nickel, stud bolts are offered in forms such as 2507 grades, which are renowned for their high strength and high resistance to corrosion in chloride-containing and high-temperature environments. Various shapes, such as fully threaded, hexagonal, and special designs, are offered, best suited for high-duty applications in severe conditions.
Super Duplex Steel Stud Bolts S32750 consist of 25-30% chromium, 4-6% molybdenum, and 6-8% nickel, providing excellent resistance to chloride stress corrosion, pitting, and crevice corrosion. The bolts possess a tensile strength of 800 MPa to 1,200 MPa and a yield strength of 550 MPa to 800 MPa. Their high content of chromium and molybdenum gives greater resistance to corrosion in harsh environments, making the bolts best for demanding applications. These stud bolts also have their mechanical properties at high temperatures, ensuring long-term durability under harsh conditions.
| 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.
Super Duplex Steel Stud Bolts S32750 find extensive application in those industries where both high strength and corrosion resistance are essential. They are used in offshore oil rigs, chemical plants, desalination plants, and marine applications. These stud bolts are perfectly suited for bolting high-pressure equipment such as reactors, heat exchangers, and pipelines that are subject to harsh conditions like high temperature and chloride-bearing environments. Their excellent mechanical toughness and stress corrosion cracking resistance render them indispensable to mission-critical applications in challenging industrial environments.
We ensure reliable delivery of Super Duplex Steel Stud Bolts S32750 through trusted logistics partners. Our packaging includes high-quality HDPE bags, corrugated boxes, and sturdy wooden crates, designed to prevent any damage during transit. Each package is sealed securely to guarantee the safe arrival of the fasteners at your location, maintaining their quality and integrity.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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