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The Fasteners Mart, Mumbai, India, is a name that can be relied upon in the production and supply of high-quality industrial fasteners. Precision, durability, and quality being the emphasis, the company supplies to a wide range of industries such as chemical processing, marine, power generation, and oil & gas. Some of its high-performance products include Hastelloy Stud Bolts, which are offered in grades like C22, C276, and B2. These double- or fully-threaded bolts have corrosion-resistant nickel-base alloys that guarantee excellent performance in aggressive, high-temperature, and chemically demanding conditions.
Hastelloy stud bolts are primarily made up of Nickel (up to 70%), with high contents of Molybdenum, Chromium, Iron, and traces of Cobalt and Tungsten. Hastelloy stud bolts provide tensile strength up to 690 MPa and high yield strength, along with superior resistance against pitting, crevice corrosion, and stress corrosion cracking. They have integrity in the presence of extreme temperatures, with a melting range of about 1325–1370°C and a density of about 8.89 g/cm³. These features make them stable in chemically hostile and high-temperature conditions.
| 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 Stud Bolts are widely utilized in industries where excellent corrosion resistance is a must. They are used in chemical processing facilities, marine applications, pulp and paper production, nuclear power systems, and pollution control devices. They are perfect for flange joints, pressure vessels, reactors, and heat exchangers that are exposed to harsh acids, chlorides, and high temperatures. Their corrosion resistance and strength provide durability and safety under severe operating conditions, minimizing the risk of failure in mission-critical assemblies.
The Fasteners Mart assures timely and efficient delivery of Hastelloy Stud Bolts with every product being safely packaged in export-grade wooden crates, sealed cartons, or moisture-resistant wrapping. There is proper labeling and documentation to facilitate traceability and conformity with international shipping and quality standards.
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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