Bronze Washers

Bronze Washers, Silicon Bronze Flat Washers

Silicon Bronze Flat WashersQuality Silicon Bronze Washers, Phosphor Bronze Washers and Bronze Flat washers from India!

We are one of the leading manufacturers and exporters of Bronze Washers, specifically Silicon Bronze Flat Washers, from India. With a legacy spanning over three decades, we have been supplying high-quality fasteners to the world market, catering to diverse sectors such as marine, automotive, construction, electrical, and plumbing. Our Silicon Bronze Flat Washers are crafted from premium 651 Silicon Bronze alloy, known for its exceptional corrosion resistance and durability. These  Silicon Bronze Washers, Phosphor Bronze Washers and Bronze Flat washers are essential for applications requiring load distribution, surface protection, and spacing, making them ideal for harsh environments, particularly in marine settings. Our commitment to quality, customization, and customer satisfaction sets us apart in the competitive fastener industry, with a focus on long-tail keywords like “marine-grade silicon bronze washers” and “custom silicon bronze flat washers for harsh environments.”

Material Grades and Properties

Our Silicon Bronze Flat Washers are made from 651 Silicon Bronze (also known as C65100 Low-Silicon Bronze), a high-performance copper alloy. The composition typically includes 95-97% Copper, 2-3% Silicon, and 1% Manganese, with trace amounts of other elements. This alloy is chosen for its superior mechanical and physical properties, as detailed in the following tab

Material Grades & Mechanical Properties

MaterialStandardCompositionKey Properties
Silicon Bronze (C65500)ASTM B96 / B96M~96% Copper, ~3% Silicon, ~1% ManganeseHigh corrosion resistance, excellent strength
Phosphor Bronze (C51000/C54400)ASTM B139~94% Copper, ~5% Tin, ~1% PhosphorusSpringy, wear-resistant, and corrosion-resistant

These properties make 651 Silicon Bronze ideal for applications requiring high strength, corrosion resistance, and good conductivity, especially in saltwater and atmospheric conditions. The material’s non-magnetic nature and excellent workability further enhance its suitability for electrical and marine applications.

 

Manufacturing Processes and Machinery for Bronze Washers

Our Silicon Bronze Flat Washers are manufactured using advanced stamping and punching techniques. The process involves precision cutting of Silicon Bronze sheets, followed by shaping into the desired washer form using high-precision dies. This ensures consistency in dimensions and quality, adhering to international standards such as ASME B18.21.1 for dimensional tolerances and ISO 4759-3 for product grades A, C, and F. We utilize state-of-the-art CNC punching machines and high-precision stamping presses, allowing for high production rates while maintaining tight tolerances. Our facility is equipped with the latest technology to handle both standard and custom orders efficiently, ensuring flexibility in production time as one of our unique selling points (USPs).

Typical Bronze Washers Produced and Finish

In addition to Flat Washers, we also manufacture other types of washers in Silicon Bronze, including Lock Washers, Fender Washers, and Finish Washers. These products are designed to complement our range of fasteners, ensuring compatibility and performance in various applications. Our Silicon Bronze Flat Washers feature a natural Bronze finish, which enhances both aesthetic appeal and functional benefits such as corrosion resistance and durability. No additional coatings are typically required, as the inherent properties of Silicon Bronze ensure long-term performance in demanding environments.

Industries and Applications for Silicon Bronze Washers, Phosphor Bronze Washers and Bronze Flat washers

Silicon Bronze Flat Washers and Phosphor Bronze Washers are widely used across multiple industries due to their corrosion resistance and strength. Key sectors include:
  • Marine: For boatbuilding, marine hardware, and underwater applications, where resistance to seawater is critical.
  • Automotive: For components exposed to harsh conditions, ensuring durability and reliability.
  • Construction: For structural fastening in corrosive environments, such as coastal buildings.
  • Electrical: For electrical conduits and hardware, leveraging the material’s good conductivity.
  • Plumbing: For valves, fittings, and water systems, where corrosion resistance is essential.
These washers are particularly valued in applications requiring load distribution, vibration resistance, and protection against surface damage, making them a versatile choice for industrial and commercial projects.

Tolerances and Standards for Bronze Washers

Our range of Bronze washers are manufactured to meet standard tolerances as per ASME B18.21.1 (for Type A and Type B washers) and ISO 4759-3 (for product grades A, C, and F). These standards ensure precise dimensions for inside diameter, outside diameter, and thickness, ensuring they fit perfectly with standard bolts and nuts. For custom orders, we can accommodate specific tolerance requirements based on customer specifications, highlighting our ability to customize as a key USP. This flexibility ensures our products meet the diverse needs of global customers, adhering to international benchmarks for quality and performance.

Turnaround Time and Performance Metrics

Standard orders for Silicon Bronze Flat Washers typically have a turnaround time of 4-6 weeks, depending on the quantity and complexity. For urgent orders, we offer expedited production options—please contact us to discuss your requirements, showcasing our flexibility in production time.Performance metrics for Silicon Bronze 651 include:

  • Tensile Strength: Up to 85,000 psi (586 MPa) in H01 temper, ensuring durability under load.
  • Yield Strength: Approximately 40,000 psi (276 MPa), providing structural integrity.
  • Elongation: Around 20%, indicating good ductility for forming and fabrication.
  • Corrosion Resistance: Excellent, especially in marine environments, resistant to seawater, atmospheric conditions, and other corrosive agents.
  • Thermal and Electrical Conductivity: Good, with thermal conductivity at 45 W/m·K and electrical conductivity at 12% IACS, suitable for electrical applications.

 

These metrics underscore the material’s suitability for demanding applications, ensuring long-term reliability and performance.

Size-Dimensional Chart
Below is the dimensional chart for our Silicon Bronze Flat Washers and Bronze Flat Washers:
Size
Inner Diameter
Outer Diameter
Thickness
#6
0.152″ (3.83mm)
0.375″ (9.6mm)
0.035″ (0.9mm)
#8
0.170″ (4.3mm)
0.375″ (9.6mm)
0.035″ (0.9mm)
#10
0.200″ (5.1mm)
0.427″ (10.9mm)
0.035″ (0.9mm)
#12
0.225″ (5.8mm)
0.500″ (12.7mm)
0.039″ (1.0mm)
1/4″ Small Pattern
0.250″ (6.4mm)
0.559″ (14.2mm)
0.040″ (1.0mm)
1/4″ Large Pattern
0.250″ (6.4mm)
0.685″ (17.4mm)
0.043″ (1.1mm)
5/16″
0.312″ (7.9mm)
0.750″ (19.0mm)
0.062″ (1.6mm)
3/8″
0.375″ (9.6mm)
0.875″ (22.2mm)
0.062″ (1.6mm)
1/2″
0.500″ (12.7mm)
1.250″ (31.7mm)
0.083″ (2.1mm)
5/8″
0.620″ (15.7mm)
1.500″ (38.0mm)
0.096″ (2.4mm)
3/4″
0.750″ (19.6mm)
1.875″ (47.6mm)
0.109″ (2.8mm)
7/8″
0.935″ (23.8mm)
2.250″ (57.1mm)
0.118″ (3.0mm)
1″
1.000″ (25.4mm)
2.500″ (63.5mm)
0.135″ (3.4mm)

This chart ensures customers can select the right size for their specific bolt and application, with options for both standard and custom dimensions.

Why Choose Our Product?
Our Silicon Bronze Flat Washers stand out for several reasons, aligning with our unique selling points (USPs):
  • High-Quality Materials: Made from premium 651 Silicon Bronze for superior corrosion resistance and strength, ensuring durability in harsh environments.
  • Customization Options: Tailored to your specific size, thickness, or packaging needs, including customer labels or logos for branding.
  • Flexible Production Schedules: Adjustable timelines to meet your deadlines, with standard turnaround of 4-6 weeks and expedited options for urgent orders.
  • Experience and Expertise: Over 30 years of manufacturing and exporting fasteners globally, with a deep understanding of international markets.
  • Customer Support: Excellent communication and support throughout your order, ensuring a seamless experience.
  • Global Reach: Serving customers worldwide with reliable delivery, enhancing our reputation as a trusted partner.

 

These factors make us a preferred choice for customers seeking reliable, high-performance fasteners with personalized service.

Packaging and Shipping for Bronze Washers Phosphor Bronze Washers Bronze Plain Washers

Our washers are carefully packaged to prevent damage during transit. Small quantities are packed in polybags, while larger orders are boxed for protection. We offer shipping via sea, air, or courier, depending on your location and urgency. Custom packaging with your branding is available upon request, adding value to your supply chain and enhancing brand visibility.

Q&A Session
To address common customer queries, we provide the following Q&A, ensuring clarity and transparency:
  1. What are silicon bronze flat washers used for?
    They are used to distribute the load of a fastener, protect surfaces from damage, and act as spacers. They are ideal for applications requiring high corrosion resistance, such as marine and industrial settings.
  2. What are the advantages of using silicon bronze over other materials?
    Silicon Bronze offers superior corrosion resistance compared to Stainless Steel or Brass, especially in saltwater environments. It also has high strength and excellent workability.
  3. Are these washers suitable for marine applications?
    Yes, they are perfect for marine use due to their excellent resistance to seawater and other corrosive conditions.
  4. What sizes are available?
    We offer standard sizes from #6 to 1″ (and larger upon request). Refer to our dimensional chart for details.
  5. Can these washers be customized?
    Yes, we offer customization options for size, thickness, and even packaging with your labels or logo.
  6. What is the typical turnaround time for orders?
    Standard orders take 4-6 weeks, but we can expedite production for urgent needs.
  7. Do you offer packaging with customer labels?
    Absolutely, we provide customized packaging with your branding for enhanced visibility.
  8. What standards do your washers meet?
    Our washers comply with ASME B18.21.1 and ISO 4759-3. We can also meet other international standards as required.
  9. How do I choose the right size washer for my bolt?
    The inner diameter of the washer should be slightly larger than the bolt diameter, and the outer diameter should suit the application for proper load distribution. Consult our dimensional chart for guidance.
  10. . Can these washers be used with stainless steel bolts?
    Yes, Silicon Bronze Washers are compatible with Stainless Steel Bolts due to their similar corrosion resistance and strength properties.
Customer Testimonials
  • J. Clarke , USA: (buyer of marine hardware)
    “We’ve been using Fair Wind Fasteners’ silicon bronze washers for our marine projects for years. The quality is top-notch, and their customer service is excellent. Highly recommended!”Our customers also buy similar related products-

  • Silicon Bronze Flat Washers for Marine Use
  • Corrosion-Resistant Bronze Washers for Electrical Equipment
  • ASTM B96 Silicon Bronze Washers Manufacturers
  • Custom Size Bronze Washers Exporter
  • Industrial Grade Bronze Washers for Heavy Machinery
  • Phosphor Bronze Spring Washers with Tight Tolerance
  • Flat Round Bronze Washers with Polished Finish
  • OEM Bronze Washer
  • Silicon Bronze Plain Washers
  • High Strength Bronze Washers for Renewable Energy
Glossary of Terms
  • Silicon Bronze: A copper alloy with silicon as the main alloying element, known for its corrosion resistance and strength, ideal for marine and industrial applications.
  • Flat Washer: A thin, ring-shaped plate with a hole in the middle, used to distribute the load of a fastener and protect surfaces.
  • Corrosion Resistance: The ability of a material to withstand deterioration caused by atmospheric, chemical, or electrochemical reactions, crucial for harsh environments.
  • Temper: The hardness and strength of a metal achieved by heat treatment, affecting the mechanical properties of the washer.

 For a quote, brochure, or any inquiries, please contact us by email or WhatsApp.

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