Hastelloy Fasteners

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Hastelloy Fasteners Manufacturer and Supplier in Canberra, Australia

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Hazlewood Fasteners, a trusted manufacturer and supplier based in Canberra, Australia, offers premium-quality Hastelloy Fasteners designed for superior corrosion resistance, strength, and durability. These fasteners are engineered to perform reliably in highly corrosive and high-temperature environments, making them ideal for demanding industrial applications. With advanced manufacturing processes and strict quality assurance, Hazlewood Fasteners ensures every Hastelloy Fastener meets international standards of precision and performance. Serving industries such as chemical processing, marine, and power generation, the company is dedicated to delivering fastening solutions that ensure long-term reliability, safety, and resistance to extreme operating conditions.

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Table of Contents

Hastelloy Fasteners are primarily composed of nickel, molybdenum, and chromium, with additions of tungsten, iron, and cobalt, depending on the grade (such as C22, C276, or B2). This unique combination provides outstanding resistance to oxidizing and reducing agents, acids, and chlorides. Mechanically, Hastelloy exhibits high tensile strength (around 690 MPa), excellent yield strength (about 283 MPa), and remarkable toughness. These fasteners maintain stability under elevated temperatures and pressures, resist pitting and crevice corrosion, and display excellent weldability and ductility, making them ideal for severe chemical and marine environments.

 

Hastelloy Fasteners Specifications

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.

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Hastelloy Fasteners Chemical Composition

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

Hastelloy Fasteners Mechanical Properties

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 %

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Commited to High Quality Service

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 Fasteners are widely used in chemical processing plants, petrochemical refineries, marine industries, pollution control systems, and power generation units. They are essential for fastening components in reactors, heat exchangers, evaporators, and pressure vessels that handle corrosive fluids. Their superior resistance to acids such as hydrochloric, sulfuric, and phosphoric acid makes them ideal for chemical industries. In marine and offshore applications, they withstand seawater corrosion effectively. Hastelloy Fasteners are also used in pharmaceutical and pulp & paper industries, ensuring long-lasting, secure, and corrosion-free joints in the most demanding operational environments.

 
 

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Types of Hastelloy Fasteners

Hastelloy Fasteners
Hastelloy Plain Washers
Socket Head Bolts
Washer
Socket Weld Flanges
Hex Bolt

The Hastelloy fasteners that are manufactured at Hazlewood Fasteners are packed with a lot of precaution. Every fastener is packed in individual protective material to avoid any damage, rusting or contamination during transportation. Our products include high quality cartons and packaging services that meet your exact needs and specifications. Clear labeling and packing also help in easy identification and handling of the products, which is our way of ensuring that we deliver the best quality products in the best state.

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Aerospace Industry
Petrochemical Industry
Defence Industry

Hastelloy Fasteners Applications