Product Features
High Strength and Durability: Ideal for structural and marine applications.
Excellent Corrosion Resistance: Performs well in seawater and industrial environments.
Good Hot Workability: Suitable for forging and extrusion.
Cost-Effective: Lower copper content reduces material costs.
Thermal Conductivity: Suitable for heat exchanger applications.
Common Product Forms & Dimensions
|
Form |
Thickness (mm) |
Width (mm) |
Length (mm) |
Diameter (mm) |
|
Sheet/Plate |
1.0 – 50.0 |
200 – 2000 |
Custom |
- |
|
Rod/Bar |
- |
- |
Custom |
10 – 150 |
|
Tube |
1.5 – 12.0 (wall) |
- |
Custom |
20 – 300 (OD) |
|
Forging Stock |
- |
- |
Custom |
50 – 500 |
Chemical Composition
|
Element |
Cu |
Zn |
Pb |
Fe |
Others |
|
Weight % |
59–63 |
Balance |
≤0.3 |
≤0.15 |
≤0.5 (total) |
Physical Properties
|
Property |
Value |
|
Density (g/cm³) |
8.39 |
|
Melting Point (°C) |
900–905 |
|
Electrical Conductivity (%IACS) |
27–30 (Annealed) |
|
Thermal Conductivity (W/m·K) |
108 (at 20°C) |
Mechanical Properties
|
Condition |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Hardness (HV) |
|
Annealed |
300–400 |
100–150 |
40–60 |
70–90 |
|
Cold Worked (H02) |
400–500 |
300–350 |
15–25 |
100–130 |
|
Hot Rolled |
450–550 |
350–400 |
10–20 |
120–150 |
Core Advantages
1. Marine-Grade Performance: Resists seawater corrosion and biofouling.
2. High Thermal Efficiency: Ideal for condenser and heat exchanger systems.
3. Versatile Fabrication: Compatible with hot forging, extrusion, and welding.
4. Cost Efficiency: Optimized for large-scale industrial applications.
Product Applications
Marine Engineering: Ship hulls, propeller shafts, and seawater valves.
Heat Exchangers: Condenser tubes, radiator cores, and boiler components.
Construction: Architectural cladding, roofing, and decorative trim.
Industrial: Fasteners, bolts, and heavy-duty stamped parts.
Processing Considerations
Hot Working: Forge or extrude at 650–800°C; avoid overheating to prevent zinc loss.
Annealing: 500–600°C for stress relief after cold working.
Welding: Use TIG or MIG welding with inert gas shielding; pre-clean surfaces.
Surface Protection: Apply anti-corrosion coatings for prolonged marine exposure.
Key Application Scenarios
Offshore oil rig components exposed to seawater.
Power plant condenser and heat recovery systems.
Coastal architectural structures requiring corrosion resistance.
Heavy machinery parts in chemical processing plants.
FAQ
Q1: How does C28000 compare to C27000 brass?
A: C28000 has higher zinc content (40% vs. 35%), offering better strength and corrosion resistance but lower ductility.
Q2: Is C28000 suitable for freshwater systems?
A: Yes, it is widely used in plumbing and heat exchangers for freshwater applications.
Q3: Can C28000 be used in high-temperature environments?
A: Limited to temperatures below 200°C; prolonged high heat may degrade zinc content.
Our factory
We operate a modern, specialized copper production facility equipped with advanced continuous casting and rolling lines, precision CNC machining equipment, and a rigorous quality inspection system, focusing on the manufacturing of copper tubes, plates, rods, wires, and strips. The factory is ISO9001 certified and possesses a complete industry chain capability-from raw material smelting and precision processing to finished product sorting. With an annual production capacity of tens of thousands of tons, we can flexibly handle customized orders, ensuring that our products meet international standards in dimensional accuracy, mechanical properties, and surface finish.
Copper product packaging
We implement customized packaging solutions based on product characteristics: copper tubes and rods are wrapped with moisture-resistant kraft paper, reinforced with bundling, and secured on wooden pallets or iron frame boxes to prevent deformation and damage during transit. Copper plates and strips are covered with protective film, separated by foam padding between layers, and externally secured with steel strapping along with waterproof packaging. Wires are coiled on industrial reels or vacuum-packed with plastic film. All packaging includes clear labels indicating product specifications, batch numbers, and protective symbols, ensuring safe delivery during long-distance sea and land transportation.
Get Fast Quote & Logistics Plan
