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Poang Fasteners stands out as a top-notch manufacturer and supplier of Hastelloy Fasteners, providing high-performance fastening solutions for industries that face extreme chemical and thermal challenges. Crafted from high-quality Hastelloy alloys, these fasteners are designed to endure strong oxidizing and reducing agents, offering remarkable resistance to corrosion, pitting, and crevice attack. With their precise threading, dimensional accuracy, and outstanding durability, Hastelloy fasteners guarantee secure and long-lasting connections in critical applications. Poang Fasteners ensures that its products meet international standards, making Hastelloy fasteners a reliable choice for demanding industrial projects both in Vietnam and around the globe.
Hastelloy Fasteners are primarily made up of nickel, molybdenum, and chromium, with small amounts of tungsten, cobalt, and iron added depending on the specific grade, like C22 or C276. This unique blend of alloys gives them excellent mechanical strength, toughness, and impressive resistance to stress corrosion cracking and localized corrosion. On a mechanical level, Hastelloy fasteners boast high tensile and yield strength, exceptional durability at elevated temperatures, and stability in chemically aggressive environments. Their robust microstructure ensures they perform reliably over time, making them a go-to option in industrial settings where standard stainless steel fasteners just can’t cut it.
| 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.
Hastelloy fasteners are used in various high performance requirements. In chemical processing, they have the ability to work with aggressive chemicals and acids without much difficulty. In aerospace, they offer the means of secure fastening in conditions of high temperature and high pressure. In oil and gas industries they protect from corrosive materials and adverse conditions. Furthermore, Hastelloy fasteners are applied in power generation and marine industries due to the ability to withstand harsh conditions.
Hastelloy Fasteners find their place in various industries that need secure fastening solutions in tough operating conditions. They’re commonly used in chemical and petrochemical plants, reactors, scrubbers, evaporators, and heat exchangers that are exposed to corrosive acids and solvents. In marine and offshore settings, they stand up to seawater and brine corrosion. Additionally, they’re utilized in power generation, flue gas desulfurization units, aerospace, pollution control systems, and the pulp and paper industries. Their ability to maintain strength, toughness, and corrosion resistance in extreme conditions makes them an invaluable asset in these demanding environments.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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