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Mazin Fasteners stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners, proudly based in Muscat, Oman. Catering to clients throughout Oman and the GCC, this company delivers reliable and durable fastening solutions that adhere to international standards and meet the rigorous demands of various industries. Among their offerings are specialty fasteners like Hastelloy stud bolts, which are celebrated for their remarkable corrosion resistance, impressive mechanical strength, and long-lasting durability in harsh chemical and industrial settings. With a commitment to precision manufacturing, strict quality control, and prompt delivery, Mazin Fasteners supports sectors such as chemical processing, petrochemical, oil and gas, marine, and power generation, ensuring consistent performance in critical applications.
Hastelloy stud bolts are crafted from nickel-molybdenum-chromium alloys, often with trace amounts of iron, cobalt, and tungsten depending on the specific grade. This unique composition grants them exceptional resistance to both oxidizing and reducing agents, as well as protection against pitting, crevice corrosion, and stress corrosion cracking. These bolts boast high tensile and yield strength, outstanding toughness, and stability under mechanical and thermal stress, making them perfect for demanding industrial applications that require long-term reliability and resilience in corrosive environments.
| 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, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
| 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 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
You’ll find Hastelloy stud bolts in a variety of applications that demand superior corrosion resistance, mechanical strength, and lasting durability. They’re commonly used in chemical processing plants, petrochemical facilities, oil and gas pipelines, marine hardware, and equipment for handling seawater. Additionally, they play a crucial role in pumps, valves, heat exchangers, and industrial machinery that come into contact with strong oxidizers, acids, or other aggressive chemicals. Thanks to their impressive mechanical performance, corrosion resistance, and durability, Hastelloy stud bolts are the go-to choice for securing critical assemblies in chemical, petrochemical, marine, and high-performance industrial applications.
Hastelloy stud bolts are used in different high performance related applications and Mazin Fasteners is providing it. In chemical processing they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer reliable means of fastening in applications characterized by high temperature and pressure. In oil and gas industries, they protect against corrosive agents and severe conditions. Also, Hastelloy stud bolts are applied in power generation and marine industries due to their high strength and durability in harsh environments.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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