Home > Super Duplex Steel > Super Duplex Steel Stud Bolts
Hakan Nickel Alloys, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium Super Duplex Steel Stud Bolts. These bolts are crafted for industries that demand outstanding strength, corrosion resistance, and long-lasting reliability. With a commitment to international standards and rigorous quality control, Hakan Nickel Alloys ensures that their stud bolts deliver secure and durable fastening solutions for critical piping and industrial applications. They cater to various sectors, including chemical, petrochemical, oil and gas, marine, and industrial fields. Thanks to their robust design, these bolts perform reliably even in harsh environments, making them perfect for situations where operational safety, mechanical integrity, and durability are non-negotiable.
Super Duplex Steel Stud Bolts are made from high-alloy stainless steel, featuring a blend of chromium, nickel, molybdenum, and nitrogen, which grants them exceptional corrosion resistance and mechanical strength. They boast impressive tensile and yield strength, high toughness, and remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. These bolts maintain their structural integrity under high pressure, elevated temperatures, and exposure to aggressive chemicals. With their outstanding durability, load-bearing capacity, and precise dimensions, Super Duplex Steel Stud Bolts are ideal for critical industrial applications that require dependable, long-term performance in challenging environments.
| 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 Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Stud Bolts in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, 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.
In the chemical and petrochemical industries, Super Duplex Steel Stud Bolts are commonly used to secure pipelines, reactors, and process equipment that come into contact with corrosive and high-pressure fluids. In the oil and gas sector, they find applications in offshore platforms, subsea installations, and high-pressure pipelines, where strength and corrosion resistance are crucial. They are also utilized in marine applications, including seawater systems, desalination plants, and shipbuilding.