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Pengkumta Fasteners is a reliable manufacturer and supplier of top-notch fastening solutions based in Bangkok, Thailand. They offer a diverse selection of products, including high-quality Hastelloy Washers. These washers are renowned for their exceptional resistance to corrosion, oxidation, and extreme conditions, making them perfect for meeting global industrial standards. With state-of-the-art production facilities and a commitment to precision engineering, Pengkumta Fasteners provides durable, dependable, and efficient solutions for industries that need long-lasting fastener components. Their Hastelloy Washers are a popular choice for demanding applications in marine, chemical, and industrial sectors.
Hastelloy Washers are mainly made from nickel, molybdenum, iron, and chromium, with added cobalt and tungsten to boost their strength and corrosion resistance. They boast impressive mechanical properties, including high tensile strength, excellent resistance to stress corrosion cracking, and stability at elevated temperatures. These washers retain their hardness, toughness, and durability even in harsh oxidizing and reducing environments, making them ideal for tough industrial conditions. Their strong metallurgical makeup guarantees reliable performance across the chemical, petrochemical, and power generation industries.
| 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 washers are required in numerous high-performance industries. In chemical processing, they manage risk of exposure to harsh chemicals and acids very well. In aerospace, they offer safe and accurate fastening and gapping under high temperature and high pressure. In oil and gas industries, they protect against corrosive materials and aggressive conditions. Also, Hastelloy washers are applied in power generation and marine industries due to their high strength in demanding environments.
Hastelloy Washers find extensive use in sectors that require resistance to aggressive chemicals and extreme conditions. They’re commonly used in heat exchangers, pressure vessels, chemical reactors, and flue gas scrubbers due to their resilience in acidic and oxidizing environments. In marine engineering, these washers excel at resisting seawater corrosion, ensuring secure fastening in offshore structures. They’re also utilized in aerospace, power plants, and pharmaceutical equipment for their ability to endure high pressure, stress, and temperature. All in all, Hastelloy Washers are essential for critical, high-performance engineering applications.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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