Hastelloy Bolts

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Hastelloy Bolts Manufacturer and Supplier in Canberra, Australia

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Hazlewood Fasteners, a leading manufacturer and supplier based in Canberra, Australia, offers premium-grade Hastelloy Bolts known for their exceptional strength, durability, and corrosion resistance. Designed to perform reliably in the most demanding industrial environments, these bolts are ideal for applications exposed to strong acids, oxidizing agents, and extreme temperatures. Hazlewood Fasteners ensures precision engineering, strict quality control, and compliance with international standards in every product. Trusted by industries across Australia and beyond, the company is committed to providing robust and high-performance fastening solutions that deliver safety, reliability, and long-term value in critical operations.

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Hastelloy Bolts are primarily composed of nickel, molybdenum, and chromium, with minor additions of tungsten, iron, and cobalt, depending on the specific grade (such as C22 or C276). This unique composition gives them excellent resistance to oxidizing and reducing environments, acids, and chlorides. They offer outstanding mechanical strength, with tensile strength around 690 MPa and yield strength near 283 MPa. These bolts exhibit excellent ductility, weldability, and toughness, maintaining stability under high pressure and temperature. Their superior resistance to pitting, crevice corrosion, and stress corrosion cracking ensures exceptional performance in corrosive environments.

 

Hastelloy Bolts 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 Bolts 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 Bolts 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 Bolts are widely used in chemical processing, petrochemical industries, marine engineering, power generation, and pollution control systems. They are ideal for fastening equipment such as heat exchangers, pressure vessels, evaporators, reactors, and piping systems exposed to harsh chemicals and extreme temperatures. In marine and offshore environments, they resist saltwater corrosion, ensuring long-term reliability. These bolts are also used in flue gas scrubbers, pharmaceutical plants, and pulp and paper industries. Their combination of strength, corrosion resistance, and durability makes Hastelloy Bolts a preferred choice for critical applications requiring secure and long-lasting fastenings.

 
 

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Types of Hastelloy Bolts

Hastelloy Bolts
Hastelloy Alloy Hex Bolt
Hastelloy Alloy Square Bolt
Hastelloy Hex Head Bolts
Hastelloy Allen Cap Bolt
Hastelloy Countersunk Bolts

To further protect our Hastelloy bolts, Hazlewood Fasteners takes extra care while packing them. Every bolt is covered with protective materials to ensure that it is not damaged, corroded or contaminated in any way during transportation. Our packaging products include strong cartons and special packaging that meets your requirements. We ensure that all our products are well packed and labeled in a manner that makes it easy to identify and handle the products to ensure that we deliver quality products in good condition. 

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Aerospace Industry
Petrochemical Industry
Defence Industry

Hastelloy Bolts Applications