Hastelloy Screws

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Hastelloy Screws Manufacturer and Supplier in Muscat, OMAN

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Mazin Fasteners stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners, proudly based in Muscat, Oman. Catering to clients throughout Oman and the GCC, this company delivers reliable and durable fastening solutions that adhere to international standards and meet the rigorous demands of various industries. Among their offerings are specialty fasteners like Hastelloy screws, which are celebrated for their remarkable corrosion resistance, impressive mechanical strength, and durability in harsh chemical and industrial settings. With a commitment to precision manufacturing, strict quality control, and prompt delivery, Mazin Fasteners supports sectors such as chemical processing, petrochemical, oil and gas, marine, and power generation, ensuring consistent performance in critical applications.

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Hastelloy screws are crafted from nickel-molybdenum-chromium alloys, often enhanced with small amounts of iron, cobalt, and tungsten depending on the specific grade. This unique composition grants them exceptional resistance to both oxidizing and reducing agents, as well as protection against pitting, crevice corrosion, and stress corrosion cracking. These screws boast high tensile and yield strength, outstanding toughness, and long-lasting dimensional stability under mechanical and thermal stress, making them perfect for high-performance industrial applications where corrosion resistance and mechanical reliability are crucial.

Hastelloy Screws Specifications

Standard IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards
Threads: BSF, UNF METRIC, UNC, BSW or as required
Standard ANSI – American National Standards Institute
  • SS Stud Bolt length are defined in ASME B16.5 standard
  • ANSI B 28.2.4 1M
  • ANSI B 18.2.4 2M
  • ASME B18.5
  • SS Hex nuts are defined in ASME B18.2.2
DIN:DIN 933, DIN 931, DIN 970, DIN 934 UTS – Unified Thread Standard : UNF, NPT, NPTF, UNS, UNC, UNEF ISO – International Organization for Standardization ISO 4033, : ISO 4032, JIS standards
Fasteners/ Bolts Size M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160
Length 3 mm to 200 mm
Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe etc
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Finishing Zinc white, (yellow, black, blue), black oxide, Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating
raw materials of Source JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc.
Form Square, Hex, Threading as per Gauge, Round Etc.
Process of Production M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element
Surface Coating
  • Xylon Coated Fasteners
  • Phosphate Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners
  • Teflon Coated Fasteners
  • Zinc Coated Fasteners
  • Cadmium Coated Fasteners
  • Ptfe Coated Stainless Steel Fasteners
Packing IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request

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Hastelloy Screws 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 Screws 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.

You’ll find Hastelloy screws in a variety of applications that demand superior corrosion resistance, mechanical strength, and durability. Common uses include equipment in chemical processing, petrochemical plants, oil and gas systems, marine hardware, and components for seawater handling. They’re also utilized in pumps, valves, heat exchangers, and industrial machinery that face exposure to strong acids, oxidizers, or other aggressive chemicals. Thanks to their blend of mechanical performance, corrosion resistance, and long-term durability, Hastelloy screws are the go-to choice for securing critical assemblies in chemical, petrochemical, marine, and high-performance industrial applications, ensuring smooth operations.

LARGEST INVENTORY

ON TIME DELIVERIES

CUSTOMER SUPPORT

Types of Hastelloy Screws

Hastelloy Screws
Hastelloy Nuts
Hastelloy C Set Screw
Hastelloy Set Screws
Hastelloy Socket Head Cap Screws
Hastelloy Alloy Screws

We take extra care while packing the Hastelloy screws that we offer to our clients at Mazin Fasteners. Every screw is covered with protective material to ensure that they do not get damaged, rust or get contaminated when in transit. We offer reliable packaging in the form of cartons and also have special packaging that meets your requirements. Our products are packed and labeled properly to ensure that identification and handling is done efficiently to show our readiness to provide high quality products in their best state.

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Aerospace Industry
Petrochemical Industry
Defence Industry

Hastelloy Screws Applications