Bronze Alloys
Bronze Alloys
Bronze Alloys are valued for their excellent mechanical strength, corrosion resistance, and superior wear properties, making them one of the oldest yet most reliable engineering materials. Formed primarily from copper and tin—with additions of phosphorus, aluminum, silicon, or manganese—these alloys exhibit high durability, low friction, and exceptional resistance to fatigue. Their ability to withstand demanding mechanical loads and corrosive environments makes Bronze a preferred material across marine, industrial, and engineering applications.
As a trusted Supplier and Stockist, Apar Alloys provides a comprehensive range of Bronze Alloys in various grades, forms, and custom specifications. Our materials offer dependable performance in bushings, bearings, pump parts, valve components, gears, and heavy-duty machinery. Each batch is rigorously tested for strength, wear resistance, and dimensional accuracy. Backed by ready inventory, global sourcing, and technical expertise, Apar Alloys delivers reliable Bronze solutions tailored to modern industrial needs.
Specifications
| Grade | AISI | UNS | ASTM Standard | EN (W-Nr) | DIN Spec |
|---|---|---|---|---|---|
| Phosphor Bronze C51000 | — | C51000 | ASTM B103 | CW451K | CuSn5 |
| Phosphor Bronze C52100 | — | C52100 | ASTM B103 | CW453K | CuSn8 |
| Aluminium Bronze C95400 | — | C95400 | ASTM B505 | CC331G | CuAl10Fe3 |
| Silicon Bronze C65500 | — | C65500 | ASTM B98 / B96 | CW508L | CuSi3Mn1 |
| Manganese Bronze C86300 | — | C86300 | ASTM B505 | CC754S | CuZn25Al6FeMn3 |
What Makes Bronze Alloys Unique
Bronze Alloys deliver a unique blend of strength, wear resistance, and anti-friction properties that make them ideal for demanding mechanical applications. Their copper–tin-based microstructure, supported by elements like phosphorus or aluminum, ensures superior resistance to fatigue, impact, and corrosion. These alloys maintain long-term performance even under heavy loads, making them indispensable in bearings, bushings, and industrial components where reliability is essential.
General Characteristics
High strength and exceptional wear resistance
Excellent corrosion resistance, especially in marine environments
Low friction and anti-galling properties
Good thermal and electrical conductivity
Stable mechanical performance under heavy loads
Ideal for machining, casting, and precision engineering
Chemical Composition (nominal) %
| Grade | Cu | Sn | Zn | Al | Mn | Fe | Others |
|---|---|---|---|---|---|---|---|
| C51000 | Balance | 4.2–5.8 | ≤0.3 | — | ≤0.2 | ≤0.1 | P: 0.01–0.35 |
| C52100 | Balance | 7–9 | ≤0.3 | — | ≤0.2 | ≤0.1 | P: 0.01–0.35 |
| C95400 | Balance | — | — | 10–11.5 | ≤0.5 | 3–5 | — |
| C65500 | Balance | — | ≤1.0 | — | ≤0.5 | ≤0.8 | — |
| C86300 | Balance | — | 22–28 | 3–7.5 | 2.5–5.0 | 2–4 | — |
Applications
Bearings, bushings & sliding components
Pumps, valves & hydraulic equipment
Marine hardware, propellers & seawater fittings
Gears, worm drives & industrial machinery
Electrical connectors, springs & precision parts
Heavy-load mechanical components requiring low friction
Advantages
- High resistance to wear, friction & abrasion
- Excellent corrosion resistance in marine & industrial environments
- Superior load-bearing capability
- Long-lasting performance with minimal maintenance
- Good machinability & casting properties
- High fatigue resistance under repeated stress
Mechanical Properties (Typical at Room Temperature)
| Property | Value (Approx.) |
|---|---|
| Tensile Strength | 350 – 750 MPa |
| Yield Strength | 200 – 500 MPa |
| Elongation | 10 – 35% |
| Hardness | 80 – 200 HB |
| Density | ~8.7–8.9 g/cm³ |
| Melting Point | 950–1080°C |
Why Choose Apar Alloys
Reliable Supplier & Stockist
Comprehensive ready stock of Bronze Alloys in multiple grades and sizes.
Global Sourcing Network
Materials sourced from established and certified international mills.
Strict Quality Assurance
Each batch inspected for mechanical strength, wear resistance & chemical accuracy.
Customization Options
Available in custom dimensions, cuts, casting forms & precision-machined components.
Competitive Pricing & Quick Delivery
Cost-effective Bronze materials with reliable dispatch timelines.
Technical Expertise & Support
Guidance in selecting the right Bronze grade for specific industrial applications.
Get in Touch
Contact Us
Looking for reliable and high-performance Bronze Alloys? Contact Apar Alloys for technical details, customized sizes, competitive pricing, and expert support. We deliver certified Bronze Alloy materials designed for demanding industrial applications.
[Call] +91 98333 89128
301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.
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