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Okoye Nickel Alloys, located in Kinshasa, Congo, stands out as a leading manufacturer and supplier of Super Duplex Steel Stud Bolts S32750, known for their outstanding quality and dependability. The company focuses on crafting high-performance fasteners that adhere to strict international standards, serving industries that demand exceptional corrosion resistance and mechanical strength. With a strong emphasis on innovation and precision engineering, Okoye Nickel Alloys guarantees that each stud bolt performs at its best, even in the toughest conditions. Their dedication to excellence and reliable supply chain management makes them a trusted ally for industrial and infrastructure projects throughout Congo and beyond.
Super Duplex Steel Stud Bolts S32750, crafted by Okoye Nickel Alloys, boast a well-balanced mix of 24–26% chromium, 6–8% nickel, and 3–5% molybdenum, along with small amounts of nitrogen and manganese. This unique composition gives them outstanding corrosion resistance. These stud bolts are not just tough on the outside; they also have impressive mechanical properties, featuring a tensile strength ranging from 830 to 1,000 MPa and a yield strength between 550 and 700 MPa. With a hardness level of 280 to 320 HB, they’re built to last even in high-stress environments. The high levels of chromium and molybdenum provide remarkable protection against pitting, crevice corrosion, and stress corrosion cracking, making them perfect for demanding industrial settings.
| Specification | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Monel Monel® Alloy 400 Stud nuts length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Monel Alloy 400 Hex nuts |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Nickel Alloy 200 Fasteners Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
| Grade | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| Super Duplex Steel Stud Bolts S32750 | 0.030 max | 0.24 – 0.32 | 0.035 max | 0.80 max | 1.20 ma | 3.0 – 5.0 | – | 24.0 – 26.0 | 0.020 max | 6.00 – 8.00 |
| Grade | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| Super Duplex Steel Stud Bolts S32750 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Stud Bolts S32750 in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, 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.
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Super Duplex Steel Stud Bolts S32750 from Okoye Nickel Alloys are a go-to choice in industries where strength and resistance to corrosion are non-negotiable. These bolts shine in the oil and gas sector, petrochemical plants, marine applications, and chemical processing units. You’ll often find them in flanges, pressure vessels, heat exchangers, and pipelines that face tough conditions, like seawater and chloride-rich environments. Thanks to their impressive mechanical strength and outstanding resistance to stress corrosion cracking, they’re perfect for high-pressure and high-temperature situations. By providing secure and durable fastening, these stud bolts play a crucial role in enhancing safety and reliability in industrial settings.