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The Mumbai-based (India) reputed supplier and exporter of excellent-quality industrial fasteners, The Fasteners Mart produces precision-engineered products in ample variety covering industrial components like nuts, bolts, washers, and screws suitable for assorted industry applications. In its value-premium items stand Hastelloy C22 Washers manufactured by high-strength Nickel-Chromium-Molybdenum alloy (UNS N06022). These washers are available in several forms like flat washers, spring washers, and lock washers, which are particularly renowned for their high resistance against corrosion, stress, and oxidizing substances—perfect for demanding environments.
Hastelloy C22 Washers consist of about 56% nickel, 20–22.5% chromium, 12.5–14.5% molybdenum, and 2.5–3.5% tungsten, with minute proportions of iron, cobalt, and carbon. This makes them highly resistant to pitting, crevice corrosion, and stress-corrosion cracking. They have high tensile strength (about 690 MPa) and fair yield strength (about 283 MPa), with very high ductility. Physical structures in Hastelloy C22 washers sustain high-temperature corrosive exposures and are exceptionally dependable for load-carrying under static conditions and dynamic operations.
| 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 are extensively used in industries like chemical processing, marine, power generation, and pollution control. Their high resistance to a broad range of corrosive chemicals makes them ideal for reactors, heat exchangers, and pressure vessels. The washers perform particularly well in acidic conditions, such as nitric, hydrochloric, and sulfuric acids. They are also utilized in scrubbers, ducting systems, and flue gas cleaning systems. Their toughness and strength make them indispensable in ensuring the sustainability and security of vital equipment in harsh operating environments.
The Fasteners Mart provides prompt delivery of Hastelloy C22 Washers to domestic and global markets. Every washer is properly packed with high-grade materials like wooden crates, bubble wraps, and carton boxes to avoid damage during shipping. Specialized packaging solutions can also be provided as per request.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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