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Majid Fasteners is a leading manufacturer and supplier of high-quality Hastelloy Stud Bolts in Dubai, UAE, serving diverse industrial sectors with precision-engineered fastening solutions. Known for exceptional corrosion resistance and superior performance in harsh environments, our Hastelloy Stud Bolts meet international standards and are trusted for use in chemical processing, marine, petrochemical, and high-temperature applications. With a strong focus on quality, reliability, and timely delivery, Majid Fasteners provides customized bolt solutions to meet specific project needs. Our advanced manufacturing capabilities and commitment to customer satisfaction make us a preferred partner for premium fasteners across the Middle East.
Hastelloy Stud Bolts are composed primarily of nickel, molybdenum, and chromium, with additions like cobalt, iron, and tungsten depending on the grade. This unique alloy blend provides exceptional corrosion resistance, especially in reducing and oxidizing environments. Mechanically, Hastelloy offers high tensile strength, excellent yield strength, and superior stress-corrosion cracking resistance. These stud bolts maintain their mechanical integrity even at elevated temperatures, making them ideal for demanding industrial applications. Their durability, toughness, and reliability ensure long-lasting performance in chemical processing, marine, and high-temperature systems.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of High Nickel Alloy Fasteners | 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 Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
Hastelloy Stud Bolts are widely used in industries that demand exceptional corrosion resistance and high-temperature performance. They are commonly applied in chemical processing plants, where they withstand highly aggressive acids and corrosive fluids. In the oil and gas sector, these bolts are used in offshore platforms, pipelines, and refineries due to their durability in harsh environments. Power generation facilities rely on Hastelloy fasteners for high-temperature systems and heat exchangers. They are also used in marine engineering, pharmaceuticals, petrochemical equipment, and pollution control systems. Their strength, reliability, and resistance to stress corrosion make them ideal for critical, safety-sensitive applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
