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Hastelloy Hex Domed Cap Nut
Hastelloy Hex Domed Cap Nut Hastelloy Hex Domed Cap Nut
Hastelloy Hex Domed Cap Nut Hastelloy Hex Domed Cap Nut
Hastelloy Hex Domed Cap Nut Hastelloy Hex Domed Cap Nut

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Hastelloy Hex Domed Cap Nut

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  • Premium Hastelloy Hex Domed Cap Nut designed for extreme corrosion resistance.

  • Precision-engineered to ensure secure fastening and long-lasting performance.

  • Ideal for harsh chemical, marine, and industrial environments.

  • Smooth, domed finish for both aesthetic appeal and functional protection.

  • Available in multiple sizes to fit a variety of applications.

  • DIN1587

  • HT&FST

  • 2.4819DIN1587M12

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Availability:
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Our Hastelloy Hex Domed Cap Nut combines durability, precision, and resistance in one superior fastener. Engineered from high-grade Hastelloy, this nut withstands aggressive environments, including exposure to strong acids, alkalis, and saline conditions, ensuring that your equipment remains safe and operational over time.

The domed cap design not only provides an elegant finish but also protects bolt threads from damage, debris, and corrosion, extending the service life of both the fastener and the assembled components. Its smooth, metallic surface feels solid to the touch, signaling strength and reliability, while the hexagonal base allows easy installation with standard wrenches.

Whether you are assembling equipment for chemical processing, marine applications, or high-performance machinery, this cap nut ensures a tight, vibration-resistant fit, reducing maintenance costs and downtime. By choosing Hastelloy Hex Domed Cap Nuts, you are investing in a product that blends industrial-grade strength with refined aesthetics.


Product Features & Highlights

  • Exceptional Corrosion Resistance: Resistant to oxidizing and reducing agents, seawater, and harsh chemicals.

  • Durable Construction: Manufactured from high-grade Hastelloy alloy for long-term reliability.

  • Thread Protection: Domed cap design shields internal threads from damage, ensuring smooth assembly.

  • Precision Engineering: Tight tolerances guarantee a secure fit for critical applications.

  • Aesthetic and Functional Design: Smooth dome surface enhances equipment appearance while protecting bolts.

  • Wide Size Availability: Supports various bolt diameters and installation requirements.

  • Maintenance-Friendly: Reduces frequency of inspection and replacement, saving time and costs.


Why Choose Hastelloy Hex Domed Cap Nut

  • Reliable Performance in Harsh Environments: Perfect for chemical plants, marine vessels, and industrial machinery where corrosion is a major concern.

  • Longevity: Reduced risk of rust and damage leads to extended service life of bolts and equipment.

  • Efficiency: Easy installation and protection against thread wear reduces assembly time and maintenance frequency.

  • Enhanced Safety: Secure fastening minimizes the risk of loosening, preventing operational hazards.

  • Professional Appearance: Polished dome design enhances the visual quality of assembled components.


Sensory & Experiential Benefits

Imagine tightening a smooth, heavy Hastelloy Hex Domed Cap Nut onto your equipment. The solid metallic feel signals strength, while the domed surface glides under your fingers with a sleek, refined texture. The subtle metallic sheen adds a professional, high-quality touch to your assembly, and you can trust it will withstand environmental challenges without rust or wear.


Applications & Usage Scenarios

  • Chemical Industry: Safe for corrosive fluids and extreme pH environments.

  • Marine Equipment: Resistant to saltwater, ensuring long-term reliability.

  • Industrial Machinery: Vibration-resistant fastening for heavy-duty equipment.

  • Precision Instruments: Ensures protected threads in sensitive assemblies.

  • High-Temperature Operations: Maintains mechanical strength in elevated heat conditions.


FAQ

Q1: Can this nut be used outdoors in salty environments?
A1: Yes, the Hastelloy Hex Domed Cap Nut is highly resistant to corrosion from saltwater, making it ideal for marine applications.

Q2: Is it compatible with standard bolts?
A2: Yes, it fits standard hex bolts within the specified size range (M4–M24), and custom sizes are available.

Q3: How does the dome cap protect threads?
A3: The domed design covers the bolt end, shielding threads from physical damage, dirt, and corrosion.

Q4: Can it withstand high temperatures?
A4: Yes, the Hastelloy alloy retains its structural integrity in elevated temperatures commonly found in industrial settings.

Q5: Are custom finishes available?
A5: Yes, polished, black oxide, or other finishes can be requested for aesthetic or functional needs.

Hastelloy Hex Domed Cap Nut

Name

Hex domed cap nut

Standard

DIN1587

Size Range

M5-M64 or non-standard as requested

Finish

Bright&Clean

Marking

HT&FST or customization

Material

Hastelloy C276,C4,C22,G30

Grade

Grade 80

Certificates

EN10204-3.1B

Non-standards

OEM is available, according to drawing or samples

Samples

Samples available

Package

Bulk in box and then in cartons, then on pallets, 

or according to customers' requirement.

Payment

T/T,Western Union


Similar brand

UNS

Trademark

W.Nr

N10276 HastelloyC276 2.4819


Chemical composition of Hastelloy C-276 alloy and steel

Alloy % Ni Cr Mo Fe W Co C Mn Si V P S
C276 Min. Bal 14.5 15 4 3






Min. 16.5 17 7 4.5 2.5 0.01 1 0.08 0.35 0.04 0.03


Physical Properties of Hastelloy C-276 Steel

Density

8.9g/cm3

Melting point 1325-1370 ºC


Minimum mechanical properties of Hastelloy C-276 alloy with steel at room temperature

Alloy state

Tensile strength Rm N/mm2 Yield strength RP0.2 N/mm2 Elongation rate A5%
Solid state 690 283 40


HOT PRODUCTS

The C276 Hex Bolt is a premium fastener crafted from Hastelloy C-276 (UNS N10276), a nickel-molybdenum-chromium alloy renowned for its exceptional resistance to strong acids, chlorides, and high-temperature corrosion.
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Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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0
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
0
0
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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A comprehensive manufacturer of fasteners and machined parts, specializing in nickel alloy fasteners, pipeline valve fittings, and woodworking auger bits.

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