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Hamad Fasteners, Riyadh, Saudi Arabia, is a well-known industrial fastener manufacturer and supplier of high-quality industrial fasteners, such as Hastelloy C22 washers. These washers are designed for better performance in extreme corrosive and high-temperature conditions. Hamad Fasteners makes sure that each product adheres to high international quality standards, serving the chemical processing, petrochemical, and marine industries. With high emphasis on reliability and durability, Hamad Fasteners’ Hastelloy C22 washers offer superior resistance to corrosive chemicals, suitable for severe applications demanding long-lasting and reliable fastening solutions.
Hastelloy C22 washers are produced from a nickel-base alloy consisting primarily of about 56% nickel, 20% chromium, 14% molybdenum, and 6% iron, with trace elements of cobalt and manganese. The composition is characterized by excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in oxidizing as well as reducing media. The washers retain mechanical properties and size stability under elevated temperatures and corrosive conditions, providing efficient load transfer and sealing in bolted joints.
| 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 broad application in industry where outstanding corrosion resistance is a must, such as in chemical processing, pollution control, and marine environments. These washers are typically found in heat exchangers, reactors, valves, and piping systems that are exposed to aggressive chemicals such as hydrochloric acid, sulfuric acid, and chlorine. Their high strength and chemical resistance render these washers well-suited for preserving the integrity and safety of critical equipment that is performing in aggressive industrial processes.
At Hamad 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.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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