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Poang Fasteners, located in Da Nang, Vietnam, has earned a solid reputation as a reliable manufacturer and supplier of Hastelloy C276 Washers. These washers are designed to provide dependable fastening solutions in tough, corrosive industrial settings. They’re particularly known for their outstanding resistance to harsh oxidizing and reducing agents, chlorides, and stress corrosion cracking, making them a go-to choice in industries like chemical processing, petrochemicals, marine, and power generation. Poang Fasteners is committed to precision manufacturing and adheres strictly to global quality standards, ensuring that each Hastelloy C276 Washer delivers durability, precise dimensions, and a long lifespan in critical applications.
Crafted from a nickel-molybdenum-chromium-iron alloy, Hastelloy C276 Washers boast exceptional resistance to pitting, crevice corrosion, and aggressive chemicals. They also provide impressive tensile strength, toughness, and fatigue resistance, maintaining their structural integrity even in high temperatures and under severe chemical conditions. Their ability to withstand stress corrosion cracking while performing well in both oxidizing and reducing environments makes them perfect for the most challenging fastening needs.
| 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 C276 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 C276 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 C276 washer is used in high temperature environments, such as chemical processing, air space, and marine applications. Ideal for use in reactors, heat exchangers and exhaust systems where resistance to oxidizing agents and extreme conditions are critical These washers are used in the oil and gas industry, the pulp and paper industry and the pharmaceutical industry to promote safe, reliable sealing of critical assembly equipment’s.
These washers find extensive use in chemical and petrochemical plants, where they support bolts and nuts on reactors, heat exchangers, pumps, and valves that come into contact with aggressive media. In the marine and offshore sectors, they’re utilized in seawater pipelines, offshore platforms, and subsea equipment, where resistance to salty conditions is vital. The oil and gas industry counts on them for refineries, high-pressure systems, and drilling rigs, while power generation facilities use them in turbines, boilers, and high-temperature piping. With their blend of strength, corrosion resistance, and durability, Hastelloy C276 Washers are an indispensable choice for critical industrial applications.
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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