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Jyoti Steels is a reputed manufacturer and exporter of Super Duplex Steel Bolts S32750 from Mumbai, India. With a clear focus on performance and quality, Jyoti Steels supplies high-strength, corrosion-resistant bolts that adhere to international specifications and standards. The bolts are specifically designed to operate effectively under extreme and corrosive conditions like offshore, marine, and chemical processing industries. With state-of-the-art manufacturing facilities and a customer-centric approach, Jyoti Steels provides regular supply, accurate engineering, and high-quality durability in each S32750 Super Duplex Steel bolt supplied.
Super Duplex Steel Bolts S32750 consist of Chromium (24–26%), Nickel (6–8%), Molybdenum (3–5%), Nitrogen (~0.24–0.32%), and Iron (balance), with small additions of Manganese (<1.2%), Carbon (<0.03%), Copper (~0.5%), and Tungsten (~0.5%). These factors are responsible for superior pitting, crevice corrosion, and chloride stress corrosion resistance. Mechanically, these bolts are characterized by superior tensile strength (~795–850 MPa), yield strength (~550 MPa), and elongation of approximately 25%. With thermal conductivity of ~15 W/m·K and density of 7.8 g/cm³, S32750 bolts sustain strength and stability in high pressure and high temperatures.
| 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″ |
| Grade | C | Cr | Mn | Mo | N | Ni | P | S | Si | Cu |
| Super Duplex Steel Bolts S32750 | 0.04 max | 24.0-27.0 | 1.5 max | 0.1-0.25 | 4.5-6.5 | 6.0-8.0 | 0.040 max | 0.030 max | 1.0 max | 1.5 |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts S32750 | 760 | 550 | 15 | 32 Max |
At Jyoti Steels, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Bolts S32750 in Mumbai, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Super Duplex Steel Bolts S32750 find extensive applications in challenging applications that call for high strength and corrosion resistance. In the offshore oil and gas sector, they are essential for offshore drilling platforms, pipelines, and pressure vessels. Marine usage involves shipbuilding, mooring hardware, and seawater equipment. They are also commonly used in chemical processing facilities, desalination plants, and heat exchangers subjected to corrosive fluids. These have high mechanical strength and crack resistance, making them the best in structural and load-bearing connections in harsh conditions, resulting in durable and stable assemblies.
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