close
Choose Your Site
Global
Social Media
loading
loading
Product Description
Tin bronze rods are high-end copper alloy profiles refined from a pure copper base with tin as the primary alloying element, supplemented by trace amounts of phosphorus, zinc, and lead; they are widely used wrought bronze profiles in the industrial sector. With tin content precisely controlled between 3% and 14%, these rods are manufactured through a series of refined processes—including precision melting, continuous extrusion, cold-drawing finishing, and annealing—thereby eliminating defects common to traditional casting methods, such as porosity, sand holes, and internal looseness. The material is dense and uniform throughout, featuring a smooth, flawless surface and high dimensional accuracy. Offering superior mechanical and physical properties, these rods outperform standard brass and pure copper counterparts, excelling in wear resistance, corrosion resistance, and elastic stability. They serve as essential components in fields such as mechanical manufacturing, precision equipment, electrical hardware, and heavy shipbuilding, meeting the rigorous demands for high precision, heavy-load capacity, and long service life in industrial applications.
1. Dense and Pure Material: Smelted from a blend of high-purity electrolytic copper and premium tin, with impurity levels strictly controlled within industry standards. It features a uniform, fine-grained microstructure free from defects such as cracks, porosity, or inclusions; the material offers exceptional stability, effectively preventing deformation or breakage during subsequent use.
2. Non-magnetic and Safe: Inherently non-magnetic with excellent resistance to magnetic interference. As a non-sparking alloy, it ensures safety and reliability in environments involving flammable/explosive materials or sensitive electromagnetic equipment, making it suitable for specialized operating conditions.
3. Excellent Machinability: Highly malleable and suitable for a wide range of secondary processes—including cold and hot working, cutting, drilling, bending, welding, and electroplating. It resists edge chipping and cracking during processing and offers high dimensional precision, making it ideal for the custom manufacturing of various precision components.
4. Stable Performance: Subjected to constant-temperature annealing and heat treatment to eliminate internal processing stresses. It offers resistance to high and low temperatures as well as fatigue; dimensions, hardness, and elasticity remain stable without significant degradation during long-term, high-load operation, ensuring a long service life.
5. Superior Surface Quality: Finished products undergo polishing, precision grinding, and de-oxidation treatments, resulting in a smooth, lustrous surface free from oxidation (blackening), scratches, or burrs. Flatness and surface finish far exceed those of standard copper rods, allowing for immediate use without the need for further grinding.
1. Superior Wear and Friction Resistance: Scientifically formulated alloy; phosphorus content effectively enhances material fluidity and wear resistance. It features a low friction coefficient and outstanding resistance to wear and galling. It resists wear and seizing even under high-speed, high-friction conditions, making it ideal for manufacturing wear-resistant components such as shaft sleeves, bearings, and bushings.
2. Comprehensive Corrosion and Oxidation Resistance: Compared to standard copper materials, tin bronze rods offer significantly enhanced corrosion resistance. They withstand corrosion and oxidation from air, fresh water, steam, and weak acids or alkalis. Resistant to rusting, discoloration, and aging, they excel in complex environments—including humid, outdoor, and aquatic settings—demonstrating exceptional weather resistance.
3. High Strength, Elasticity, and Toughness: Combines high hardness with high toughness, offering excellent tensile and compressive strength alongside impact and deformation resistance. With stable elastic recovery, the material resists deformation or fracture under repeated bending or stress, making it a preferred choice for elastic components and precision fasteners.
4. Excellent Electrical and Thermal Conductivity: Retains the superior conductive and thermal properties of copper alloys, featuring stable electrical resistance and uniform heat conduction. Its electrical conductivity surpasses that of most specialty alloys, meeting the requirements for electrical connections and heat-dissipating components.
5. Broad Applicability and High Cost-Effectiveness: Requires minimal maintenance and offers a service life 3–5 times longer than standard copper or iron rods. With low processing waste and low failure rates, it effectively reduces long-term equipment maintenance and component replacement costs, delivering overall cost-effectiveness far superior to comparable alloy profiles.
| Tin bronze alloy series composition,%max | |||||||
| Type | Cu（%） | Pb（%） | Fe（%） | Zn（%） | P（%） | Ni（%） | Sn（%） |
| QSn6.5-01 | Other | 0.02 | 0.05 | 0.3 | 0.10-0.25 | 0.2 | 6.0-7.0 |
| QSn4-0.3 | Other | 0.05 | 0.1 | 0.3 | 0.03-0.35 | 0.2 | 3.5-4.9 |
| QSn4-4-4 | Other | 3.5-4.5 | 0.05 | 3.0-5.0 | 0.03 | 0.2 | 3.0-5.0 |
| C51000 | Other | 0.05 | 0.01 | 0.3 | 0.03-0.35 | 0.3 | 3.5-5.0 |
| C54400 | Other | 3.5-4.5 | 0.1 | 1.5-4.5 | 0.01-0.5 | 0.2 | 3.5-4.5 |
| C51900 | Other | 0.2 | 0.05 | 0.3 | 0.1-0.25 | 0.2 | 6.0-7.0 |
Our factory supplies tin-bronze rods in standard specifications from stock and offers custom production for non-standard sizes. Available shapes include round, square, hexagonal, and flat rods; all meet precision standards and are suitable for various machining applications.
Common Grades: QSn4-3, QSn6.5-0.1, QSn6.5-0.4, QSn7-0.2, C90700, C92300, and others (compliant with Chinese, US, and international standards).
Size Range:
- Round rods: Diameter 2mm–200mm (includes ultra-fine precision-drawn rods and large-diameter solid rods)
- Square rods: 4×4mm–200×200mm
- Hexagonal rods: 8mm–100mm (across flats)
Standard Lengths: 1m–4m; custom cutting to specific lengths or small-batch processing available.
Surface Finishes: Precision ground (bright), polished, matte, and hot-rolled (natural finish).
Standards: Compliant with GB/T, ASTM, JIS, DIN, and other domestic and international standards; material test reports and certificates of conformity are available.
● Corrosion Resistance: Excellent resistance to atmospheric corrosion, fresh water, and seawater, which is ideal for use in harsh environments.
● Wear Resistance: Thanks to the alloy's high content of tin, it offers outstanding wear resistance, making it perfect for parts that are subjected to constant friction.
● Customizable: Available in various shapes (round, square, hexagonal) and customizable sizes to fit specific industrial needs.
● Cold Processing: The rod exhibits excellent cold working properties, ensuring ease of manufacturing into various components.
● Chemical composition and physical properties:
The main components of tin bronze rod include copper (Cu) and tin (Sn), with the content of copper as the balance and the content of tin between 3% and 14%. In addition, it may also contain elements such as phosphorus (P), lead (Pb), and zinc (Zn), which have an important influence on the properties of the alloy. For example, phosphorus can improve the fluidity and wear resistance of the alloy, lead can improve the machinability and wear resistance, and zinc can improve the casting performance.
● Mechanical properties and processing properties:
Tin bronze rod has high mechanical properties, including high tensile strength and hardness. For example, the tensile strength of QSn6.5-0.1 tin bronze rod is ≥355 MPa and the elongation is ≥50%3. In addition, tin bronze rods have good processing properties, are easy to process by casting, forging, welding and other processes, and perform well in the atmosphere, fresh water and seawater.
At DETONG, we prioritize quality and consistency. Each batch of Tin Bronze Rod undergoes stringent testing to ensure it meets global standards. The products are carefully inspected for surface finish, dimensional accuracy, and mechanical properties such as tensile strength and elongation. Our rods are also subjected to chemical analysis to verify the alloy composition, ensuring they match the required specifications for optimal performance in industrial applications.
Leveraging a combination of properties—including wear resistance, corrosion resistance, excellent elasticity, non-magnetic characteristics, and ease of machining—tin bronze rods are suitable for precision manufacturing across various industries. Key application areas include:
1. Mechanical Manufacturing: Mass production of bearings, sleeves, bushings, worm gears, worms, gears, wear-resistant sliding blocks, and precision machine tool components; ideal for high-friction parts in machine tools, automation equipment, and construction machinery.
2. Electrical Hardware: Production of precision connectors, terminals, switch contact springs, conductive fasteners, and non-magnetic electrical components; ensures safe, stable equipment operation thanks to consistent conductivity and non-magnetic properties.
3. Marine and Offshore Engineering: Suitable for deck fittings, marine valves, underwater connectors, and wear-resistant fasteners for seawater environments; offers resistance to seawater corrosion and humid oxidation, making it ideal for harsh marine conditions.
4. Precision Instruments: Fabrication of elastic components, precision sensor parts, and instrument fasteners; features low deformation rates and stable precision, ensuring accuracy in the detection and operation of precision equipment.
5. Automotive and Rail Transit: Used for automotive shock-absorption components, wear-resistant bushings, and precision fasteners for rail transit; offers fatigue and wear resistance, making it suitable for environments involving prolonged vibration and high loads.
6. General Industrial Equipment: Wear-resistant, corrosion-resistant, and elastic components for hydraulic equipment, pneumatic equipment, textile machinery, and printing machinery; offers exceptional versatility.
Professional Protective Packaging: Finished products are wrapped in moisture-proof, anti-rust paper, with protective caps fitted to both ends of the bars to prevent impact damage or deformation. The entire batch is bundled and secured, wrapped in waterproof stretch film, and reinforced with wooden pallets to completely eliminate the risk of abrasion, scratches, moisture damage, or deformation during transit.
Flexible and Efficient Logistics: Services cover all provinces and cities nationwide as well as cross-border exports. Custom specifications are delivered on schedule, minimizing lead times.
1. Factory Manager Wang (Machined Parts Manufacturer): We have been sourcing tin-bronze rods from this supplier for a long time; the material quality is exceptional—solid, free of porosity or blowholes, and highly dimensionally accurate. During machining, the material causes no tool chipping or burrs, resulting in a 100% pass rate for the bushings and bearing components we produce. Its wear resistance far surpasses that of the ordinary copper rods we used previously; customers report a significant extension in the service life of equipment parts. It offers excellent value for money, and we plan to maintain a long-term partnership.
2. Purchasing Manager Li (Marine Hardware): Our marine components demand extremely high standards for corrosion resistance and material quality. These tin-bronze rods offer excellent resistance to seawater corrosion, showing no signs of rust or oxidation even after prolonged use in humid marine environments; their non-magnetic properties also make them suitable for marine electrical equipment. The product surface is bright and flawless, and the range of specifications is comprehensive, eliminating the need to coordinate with multiple suppliers and making the procurement process hassle-free.
3. Engineer Zhang (Precision Instrument Manufacturing): We use these specifically to manufacture elastic springs for instruments. The rods offer outstanding elastic stability—resisting deformation and fatigue during repeated flexing—along with stable electrical conductivity and high precision after forming. The manufacturer supports custom-length cutting, which eliminates the need for secondary processing steps; delivery is fast, and comprehensive quality inspection reports are provided, ensuring full compliance with industrial precision manufacturing standards.
4. Long-term Bulk Purchasing Client: We have partnered with them for over three years, and product quality has remained consistently stable with no variation between batches. Packaging is robust, ensuring no damage occurs during transport. The manufacturer offers on-demand customization and free samples, and their after-sales service is highly responsive. Whether for small-batch cut-to-size orders or large-scale bulk procurement, they perfectly meet our needs—a truly reliable supplier of industrial materials.
1. What is the tin content in the Tin Bronze Rod?
a. The tin content in our Tin Bronze Rod ranges from 3% to 14%, depending on the specific alloy grade required.
2. Can I customize the dimensions of the Tin Bronze Rod?
a. Yes, the Tin Bronze Rod can be customized to your required dimensions and shapes, including hexagonal, round, or square.
3. What industries use Tin Bronze Rod?
a. The Tin Bronze Rod is widely used in machinery, chemical, electrical, and maritime industries, as well as in aerospace and automotive applications.
4. Do you offer wholesale pricing for bulk orders?
a. Yes, we offer competitive wholesale pricing based on order volume. Please contact us directly for more details.
5. What is the standard packaging for Tin Bronze Rod?
a. Our Tin Bronze Rod is packaged in standard export cartons, pallets, or crates, depending on the size and quantity of the order.
