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Brian Fasteners is a top distributor and manufacturer of Hastelloy Stud Bolts, offering corrosion resistant fastening solutions in Houston and across the globe. Our Hastelloy stud bolts are made from premium alloys such as Hastelloy C276 and C22, designed to provide consistent performance where chemical attack, high pressure, and severe temperature conditions are likely. Our stud bolts are made in accordance with ASME, ASTM, and DIN specifications to suit high-demanding industries such as oil & gas, chemical processing, and power generation. Quality and accuracy are Brian Fasteners’ hallmark, and every stud bolt provides reliable strength and long service life.
Hastelloy Stud Bolts are usually composed of nickel (57%), molybdenum (15–17%), chromium (14–16%), iron (4–7%), and traces. They provide excellent corrosion resistance in oxidizing and reducing environments. The bolts have tensile strength 100–115 ksi, yield strength 45 ksi, and Rockwell hardness B90–C30. They are resistant to thermal cycling and stress corrosion cracking, pitting, as well as crevice corrosion. Their mechanical soundness and metallurgical stability ensure that they are applicable in applications with intense chemical and thermal stress.
| 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 have extensive use in heat exchangers, chemical reactors, and storage tanks in industry handling corrosive chemicals. They play a critical role in oil & gas uses, such as sour gas environments and offshore drilling platforms, where brine and hydrogen sulfide resistance is necessary. In pharmaceutical and biotechnology manufacturing facilities, they protect sanitary systems from aggressive cleaning chemicals. The bolts are also utilized in nuclear power plants and aerospace systems with a need for reliable performance under varying loads. Their resistance to chemical attack and thermal expansion provides a safe, enduring bond in high-stakes assemblies.
Hastelloy stud bolts are used in different high performance related applications and Brian Fasteners is providing it. In chemical processing they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer reliable means of fastening in applications characterized by high temperature and pressure. In oil and gas industries, they protect against corrosive agents and severe conditions. Also, Hastelloy stud bolts are applied in power generation and marine industries due to their high strength and durability in harsh environments.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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