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Adarsh Nickel Alloys is a trusted manufacturer and supplier of Super Duplex Steel Stud Bolts in Delhi, offering high-strength fastening solutions for severe service conditions. These stud bolts are manufactured using premium super duplex stainless steel and precision machining techniques to ensure excellent dimensional accuracy and reliable performance. Adarsh Nickel Alloys maintains strict quality control standards to deliver fasteners that perform consistently under high pressure and corrosive environments. Super Duplex Steel Stud Bolts supplied by the company are valued for their durability, superior strength, and long service life in critical industrial applications.
Super Duplex Steel Stud Bolts are produced from alloys rich in chromium, nickel, molybdenum, and nitrogen, forming a balanced austenitic-ferritic structure. This chemical composition provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, the material offers very high yield and tensile strength, excellent fatigue resistance, and good toughness. These properties allow the stud bolts to maintain strong clamping force and structural integrity under extreme mechanical loads and aggressive operating conditions.
| 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 | 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 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Adarsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Stud Bolts in Delhi, 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.
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Super Duplex Steel Stud Bolts from Adarsh Nickel Alloys are extensively used in oil and gas, offshore platforms, and subsea installations where reliability is critical. They are ideal for flange connections in pipelines, pressure vessels, and heat exchangers. These stud bolts are also applied in chemical processing plants, desalination units, power generation facilities, and marine engineering. Their high strength, corrosion resistance, and ability to withstand extreme pressure make them suitable for safety-critical and long-term fastening applications.