Hardness testing to ISO 6508-1
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Hastelloy fasteners are specialized corrosion-resistant components engineered for use in the most demanding industrial environments. These fasteners are engineered to offer extraordinary resistance to chemical attack and superior mechanical strength, and they are produced in compliance with ASTM, ASME, and DIN standards. We offer a wide range of Hastelloy bolts, nuts, washers, studs, and threaded rods that meet the strict requirements of industries like aerospace, chemical processing, marine, pharmaceuticals, and power generation.
Available in grades such as Hastelloy C22, C276, B2, and X, these fasteners deliver outstanding performance in highly aggressive environments. Hastelloy C276 is especially known for its resistance to strong oxidizers, chlorides, and acidic conditions, making it suitable for reactors, scrubbers, and heat exchangers. Hastelloy C22 offers improved resistance in oxidizing and reducing environments, while B2 excels in hydrochloric acid service. These alloys maintain high strength and integrity across wide temperature ranges.
Hastelloy fasteners are available in various thread types, including UNC, UNF, BSW, and metric coarse/fine, and are available in metric and imperial diameters, ranging from M6 to M48 or ¼” to 2”. Hex bolts, hex nuts, stud bolts, socket head cap screws, washers, set screws, and custom-machined fasteners comprise the product line. Depending on the application, these fasteners can be supplied in cold-forged, hot-forged, or machined finishes, with optional passivation or electropolishing for enhanced corrosion resistance.
At Vision Alloys, we offer Hastelloy fasteners for both bulk and project-based orders, supporting clients across India and international markets. We offer secure export packaging in wooden boxes, sealed cartons, or HDPE bags, depending on the quantity of the order and the destination, as well as custom labeling, regardless of whether the order is for 100 units or 10,000+ pieces. Desalination plants, offshore drilling platforms, exhaust gas scrubbers, nuclear facilities, and critical chemical handling systems are among the applications of our products.
Specifications | ASTM B574, ASME SB574 |
Standard | DIN, ASTM, BS and all International Standards |
Size | M3 to M90 |
Length | 10mm to 1000mm |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Form | Hex, Threading, Square, Round as per Gauge Etc. |
Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
Hastelloy fastener prices vary by grade, dimension, and finish, typically ranging from ₹50 to ₹500+ per piece, depending on complexity and volume. As a leading Hastelloy fasteners supplier and stockist in India, we guarantee traceable raw material certification, complete adherence to international standards, and quality assurance testing. Hastelloy fasteners from Vision Alloys provide the strength, durability, and reliability required by world-class engineering projects for high-performance fastening in corrosive and high-temperature environments.
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of fasteners.
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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