DIN125A HC276 Alloy Flat Washer

DIN125A HC276 Alloy Flat Washer

DIN125A HC276 alloy flat washer is a high-performance fastening accessory designed for extreme corrosion environments, chemical processing equipment, and demanding industrial applications. The DIN125A HC276 alloy flat washer is manufactured from Hastelloy C276 nickel-based alloy, providing outstanding resistance to pitting, crevice corrosion, stress corrosion cracking, and a wide range of aggressive chemical media.

The DIN125A HC276 alloy flat washer conforms to DIN125A dimensional requirements and offers exceptional durability in harsh operating conditions. It is widely used in chemical processing, petrochemical equipment, pollution control systems, offshore engineering, and high-performance industrial assemblies where conventional stainless steel washers cannot provide sufficient corrosion protection.

alloy flat washer


Product Overview

The DIN125A HC276 alloy flat washer is engineered for fastening systems exposed to highly corrosive environments. Its flat washer structure helps distribute clamping loads evenly, protect component surfaces, and improve the stability of bolted joints.

Manufactured from HC276 nickel-based alloy, the DIN125A HC276 alloy flat washer provides excellent resistance to hydrochloric acid, sulfuric acid, chlorides, and other aggressive chemical substances. It maintains reliable mechanical performance under demanding service conditions.

As a specialized industrial fastener accessory, it is commonly selected by OEM manufacturers, chemical equipment suppliers, engineering contractors, and maintenance professionals requiring premium corrosion-resistant components.


Product Specifications

Item Description
Standard DIN125A
Product Name DIN125A HC276 Alloy Flat Washer
Material Hastelloy C276 (HC276 Nickel Alloy)
Washer Type Flat Washer
Shape Round Flat Washer
Size Range M2–M100 (Customized Available)
Inner Diameter According to DIN125A Standard
Outer Diameter According to DIN125A Standard
Thickness According to DIN125A Standard
Surface Finish Natural Alloy Finish / Polished
Installation Type Bolt and Screw Assembly
Packaging Bulk / Carton / OEM Packaging
Customization Size, thickness, material available

Technical Parameters

Parameter Value
Material Grade Hastelloy C276
Alloy Type Nickel-Molybdenum-Chromium Alloy
Tensile Strength Approx. 690 MPa
Yield Strength Approx. 283 MPa
Hardness Approx. HRB 100
Density Approx. 8.9 g/cm³
Corrosion Resistance Excellent in aggressive chemical environments
Pitting Resistance Superior
Stress Corrosion Resistance Excellent
Manufacturing Standard DIN125A

Materials and Manufacturing Process

The DIN125A HC276 alloy flat washer is manufactured through precision metal processing methods to ensure accurate dimensions, reliable mechanical properties, and long-term corrosion resistance.

  • Raw material selection: Certified HC276 nickel alloy sheet or plate
  • Cutting process: Precision cutting according to washer dimensions
  • Stamping or machining: Formation of flat washer geometry
  • Hole processing: Accurate inner diameter machining
  • Edge finishing: Removal of burrs and sharp edges
  • Surface treatment: Cleaning and polishing for improved finish
  • Inspection: Dimensional accuracy, material composition, and surface quality testing
  • Packaging: Protective industrial packaging for transportation

Each DIN125A HC276 alloy flat washer is produced under strict quality control to ensure stable performance in severe environments.


Applications of the Product

The DIN125A HC276 alloy flat washer is widely used in industries requiring exceptional corrosion resistance:

  • Chemical processing industry: Acid and chemical equipment fastening
  • Petrochemical industry: Refinery and process system assemblies
  • Pollution control equipment: Scrubber and treatment systems
  • Offshore engineering: Marine corrosion-resistant fastening
  • Pharmaceutical equipment: High-purity processing systems
  • Heat exchanger equipment: Corrosive fluid applications
  • Power generation systems: Harsh environment equipment
  • Industrial machinery: Special alloy fastening solutions

Its HC276 alloy construction makes it suitable for applications involving aggressive chemicals and extreme corrosion conditions.


Why Choose This Product

  • DIN125A dimensional compatibility
  • Premium HC276 nickel alloy material
  • Excellent resistance to severe corrosion environments
  • Superior resistance to pitting and crevice corrosion
  • Stable mechanical performance
  • Suitable for chemical and offshore applications
  • Long service life under harsh conditions
  • Reliable performance in high-value equipment
  • OEM customization support

The DIN125A HC276 alloy flat washer provides a dependable fastening solution for critical industrial applications.


Why Choose Flybear

Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.

  • Experience with nickel-based alloy materials
  • Advanced precision machining capability
  • OEM/ODM customization support
  • Stable production capacity for special alloy components
  • Strict quality inspection procedures
  • Global export experience
  • Engineering support for customized applications

Flybear provides reliable corrosion-resistant fastening products for chemical, energy, marine, and industrial customers worldwide.


Quality Inspection and Control

Quality assurance is maintained throughout the manufacturing process:

  • HC276 alloy chemical composition analysis
  • Raw material certificate verification
  • Inner and outer diameter inspection
  • Thickness measurement
  • Dimensional tolerance verification
  • Surface quality inspection
  • Mechanical property testing
  • Packaging quality inspection

All production processes follow ISO-based quality management systems to ensure consistent product reliability.


Selection Guide

When selecting a DIN125A HC276 alloy flat washer, consider:

  • Chemical media exposure conditions
  • Required corrosion resistance level
  • Bolt and screw material compatibility
  • Operating temperature requirements
  • Load distribution requirements
  • Equipment service environment

Proper material selection ensures long-term reliability and reduces maintenance requirements.


FAQ

1. What is DIN125A HC276 alloy flat washer used for?
It is used to distribute fastening loads in equipment exposed to highly corrosive environments.

2. What is HC276 alloy?
HC276 is a nickel-based alloy known for excellent resistance to aggressive chemicals and corrosion.

3. Can HC276 washers replace stainless steel washers?
Yes, they are suitable when stainless steel cannot provide sufficient corrosion resistance.

4. Can custom DIN125A HC276 washers be produced?
Yes, Flybear supports customized sizes, thicknesses, and special alloy requirements.

5. Which industries use HC276 alloy washers?
They are widely used in chemical, petrochemical, offshore, pharmaceutical, and pollution control industries.


We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.

Contact us for quotation, customization, and technical support via Contact Us.

facebook (2)instagram 2 youtube (1)linkedin (1)

Scroll to Top