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Pengkumta Fasteners, a well-respected manufacturer and supplier based in Bangkok, Thailand, specializes in top-quality Hastelloy C22 Washers, renowned for their exceptional corrosion resistance and mechanical strength. Crafted with precision and in line with international standards, these washers are built to endure even the harshest chemical and industrial environments. With a strong focus on quality, reliability, and durability, Pengkumta Fasteners serves a variety of industries, including chemical processing, marine engineering, pollution control, and power generation. Their Hastelloy C22 Washers deliver long-lasting performance, providing secure fastening solutions for demanding applications both locally and globally.
These washers are primarily made from nickel, chromium, and molybdenum, with added tungsten and iron to boost corrosion resistance. This unique alloy offers outstanding protection against both oxidizing and reducing agents, such as chlorides and strong oxidizers. On the mechanical side, these washers exhibit high tensile strength, remarkable toughness, and solid fatigue resistance, even in challenging conditions. Their metallurgical stability guarantees reliability across a range of temperatures and pressures, making them perfect for industries that require both strength and superior corrosion resistance.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Washers 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 |
| Washers Length | 3 mm to 200 mm |
| Washers 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 |
| Washers 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 C22 Washers | 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 C22 Washers | 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 C22 Washers find extensive use in applications that demand robust resistance to aggressive chemicals and extreme conditions. They’re commonly found in chemical processing equipment, marine and offshore structures, heat exchangers, and flue gas scrubbers. Their capability to withstand oxidizing, reducing, and mixed chemical environments makes them ideal for handling hazardous materials like chlorides, acids, and solvents. Additionally, they’re utilized in pharmaceutical equipment, pollution control systems, and power generation facilities. These washers not only ensure secure fastening but also enhance durability, supporting safe and efficient operations in critical industrial applications.
At Pengkumta Fasteners, we ensure that our Hastelloy C22 washers are packaged with utmost care to maintain their superior quality. Each washer is meticulously inspected and securely packed to prevent any damage during transit. Our packaging is designed to safeguard against environmental factors and ensure that the washers reach you in pristine condition. We use high-quality, durable materials for packaging and clearly label each package for easy identification and efficient handling. Your satisfaction is our priority, and we guarantee the safe delivery of our products.
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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