Phosphor Bronze, specifically Tin-Phosphor Bronze, is a high-performance copper alloy renowned for its excellent mechanical properties, wear resistance, and corrosion resistance, making it a versatile material across numerous industries.
Phosphor Bronze encompasses a range of grades, primarily distinguished by their varying content of tin (Sn) and phosphorus (P). Common designations include QSn6.5-0.1, QSn4-0.3, QSn2-0.1, and QSn1.8, where the numbers typically indicate the approximate tin percentage and phosphorous content.
Key Properties and Characteristics
The alloy's usefulness stems from its combination of several advantageous properties:
| Property | Description and Benefit |
|---|---|
| High Strength & Durability | It maintains high mechanical strength and resists fatigue under demanding loads and stress conditions. |
| Excellent Corrosion Resistance | It performs reliably in harsh environments, including those with moisture and salt spray, ensuring long-term stability. |
| Superior Wear & Abrasion Resistance | Its excellent wear resistance minimizes surface damage and cracking in high-friction applications, extending component life. |
| Good Conductivity | It retains good electrical and thermal conductivity, making it suitable for many electrical and thermal management applications. |
| Oxidation Resistance & Good Formability | It resists tarnishing and maintains its appearance, while also being amenable to various forming and machining processes. |
Primary Application Fields
Due to its robust property profile, Phosphor Bronze is extensively used in the following sectors:
| Industry / Sector | Typical Applications |
|---|---|
| Automotive | Critical components in braking systems, engine coolers, transmission parts, and valve seat inserts where durability and wear resistance are paramount. |
| Marine & Shipbuilding | Parts for propulsion systems, pumps, and fittings that must withstand prolonged exposure to corrosive seawater. |
| Electrical & Electronics | Connectors, terminals, contacts, switch components, and other conductive parts that require reliable performance, spring properties, and corrosion resistance. |
| General Engineering | Springs, bearings, bushings, diaphragms, and other mechanical parts subject to wear, fatigue, or corrosive environments. |
In summary, Phosphor Bronze is a highly reliable and versatile engineering alloy. Its unique synergy of strength, wear and corrosion resistance, and decent conductivity ensures its continued importance in advancing automotive, marine, electrical, and general industrial applications.
Our product range
| Product Category | Product Name | Common Standard Grades | Key Specifications (Typical) | |
|---|---|---|---|---|
| Copper Tubes / Pipes | • Straight & Coiled Tubes • Refrigeration Tubes • Capillary Tubes • Heat Exchanger Tubes |
C11000 (ETP Copper) C12200 (DHP Phosphorous Copper) C12000 (DLP Phosphorous Copper) EN 12735-1: CU-DHP JIS H3300: C1220, C1100 |
Standards: ASTM B75, B88, B280, EN 12735 OD: 3mm - 300mm Wall Thickness: 0.3mm - 10mm Condition: Annealed (O), Hard (H) |
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| Copper Sheets / Plates | • Hot Rolled Plates • Cold Rolled Sheets • Cut-to-Size Blanks |
C11000 (ETP Copper) C10200 (Oxygen-Free Copper) C26000 (Cartridge Brass) C70600 (90-10 CuNi) |
Standards: ASTM B152, B465 Thickness: 0.5mm - 50mm (Plates: >3mm) Width: up to 1500mm Length: up to 4000mm or custom Condition: Rolled, annealed, mill finish |
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| Copper Rods / Bars | • Round, Square, Hexagonal Rods • Copper Alloy Rods • Precision Ground Bars |
C11000 (ETP Copper) C36000 (Free-Cutting Brass) C26000 (Cartridge Brass) C10200 (Oxygen-Free Copper) C17200 (Beryllium Copper) |
Standards: ASTM B187, B301, EN 12163, 12164 Diameter: 2mm - 200mm Length: Straight bars up to 6m, coils available Condition: Drawn, extruded, annealed |
|
| Copper Wires | • Bare Copper Wire (Hard/Soft) • Enamelled (Magnet) Wire • Stranded & Bunched Wires • Braided Wires & Flexibles |
C11000 (ETP Copper) C10200 (Oxygen-Free Copper) C10100 (C-OF Copper) Grade: 1/2 Hard, 1/4 Hard, Soft |
Standards: ASTM B1, B2, B3, IEC 60228 Diameter: 0.05mm - 12mm (bare) Conductivity: 100% IACS min. Packaging: Spools, coils, drums |
|
| Copper Foils | • Rolled Strips (in Coils) • Thin Foils • Connector Alloy Strips |
C11000 (ETP Copper) C26000 (Cartridge Brass) C19210 (Phosphor Bronze, 1.0%) C26800 (Yellow Brass) |
Standards: ASTM B152, B465, EN 1652 Thickness: 0.05mm - 3.0mm (Strips), <0.05mm (Foil) Width: 10mm - 600mm (typical coil width) Condition: Hard (H), 1/2 Hard, Soft (O), rolled temper |
Our factory
We are a specialized manufacturing factory with integrated production capabilities for copper and copper alloy products, including tubes, rods, bars, plates, sheets, strips, and wires. Our facility is equipped with modern production lines featuring extrusion presses, continuous casting machines, precision rolling mills, drawing benches, and controlled annealing furnaces, enabling us to control the entire process from raw material to finished product. Supported by an in-house laboratory for quality assurance and compliant with international standards (ASTM, EN, JIS), we provide customized solutions, reliable packaging, and efficient export logistics to serve global clients in HVAC&R, electrical, automotive, and industrial sectors.
copper product packaging
We take great care in packaging to ensure our copper products arrive in perfect condition. Standard packaging includes moisture-resistant materials, sturdy wooden crates or pallets, and protective corner guards to prevent damage during transit. For products requiring enhanced protection against oxidation, such as high-purity copper tubes or finely finished surfaces, we also offer optional nitrogen-purged (inert gas) packaging upon request. This service effectively minimizes surface oxidation during long-distance shipping or storage, ensuring your products maintain their optimal quality upon arrival.
