Custom Machining, Global Delivery, Industry Compliance
Copper Alloy Solutions: Precision Engineered for Durability
As a leading manufacturer of high-performance copper alloys, we specialize in CNC machining and stamping of brass, bronze, and cupronickel components.
Why Choose Copper
Superior Electrical Conductivity
✅C11000 Pure Copper: 100% IACS Rating (Industry Standard)
✅Ideal For: Electrical busbars, circuit breakers, motor windings, and power distribution components.
Exceptional Thermal Conductivity
✅C11000 Pure Copper: 401 W/m·K Heat Transfer Efficiency
✅Ideal For: Heat exchanger tubes, EV battery cooling plates, semiconductor heatsinks.
Decorative Appeal
✅C26000 Brass: Gold-like finish | Anti-tarnish coating options
✅Ideal For: Luxury architectural hardware (door handles, railings).
Why Partner With Us
Material Diversity for Every Need
✅15+ Copper Alloys: C11000, C3604, C3602 etc.
Precision-Certified Machining
✅Swiss screw machining for micro-parts (Ø0.5–30mm)
Engineering Support On Demand
✅Optimize designs for cost-efficient stamping, bending, or machining.
Multiple Surface Finishs
✅Mirror polishing (Ra 0.2μm), anti-tarnish bead blasting, brushed satin textures.
Rigorous Quality Assurance
✅CMM & XRF testing for dimensional accuracy and material purity.
Global Logistics Simplified
✅MOQ 1 piece for samples; 30% cost reduction on 1,000+ unit orders.
Copper Alloy Selection Guide
Optimize Performance: Match Your Application to the Right Copper Alloy
Selecting the optimal copper alloy ensures peak performance in conductivity, machinability, and environmental resistance. Our guide simplifies your choice with:
✅ Key Technical Specs
✅ Process Compatibility
✅ Industry-Specific Solutions
Need Help? Our metallurgy experts are ready to advise.
C11000 (Pure Copper)
| Composition | 99.9% Cu |
| Density | 8.96 g/cm³ |
| Melting Point | 1,083°C |
| Tensile Strength | 220 MPa |
| Conductivity | 100% IACS (Electrical), 401 W/m·K (Thermal) |
| Corrosion Resistance | Moderate (Requires coating in humid/acidic environments) |
| Recommended Processes | CNC machining, TIG welding, stamping |
| Avoid | Cold forging (risk of cracking) |
| Applications | Electrical busbars, heat exchangers, power cables, roofing |
C36000 (Free-Cutting Brass)
| Composition | 61.5% Cu, 35.5% Zn, 3% Pb |
| Density | 8.5 g/cm³ |
| Melting Point | 900–940°C |
| Tensile Strength | 340–580 MPa (Varies with temper) |
| Conductivity | 28% IACS |
| Corrosion Resistance | Good (Indoor/dry environments) |
| Recommended Processes | Swiss screw machining, cold heading, CNC turning |
| Avoid | High-temperature welding (>200°C), acidic chemical exposure |
| Applications | Plumbing fittings, gears, fasteners, electrical connectors |
C51000 (Phosphor Bronze)
| Composition | 94.8% Cu, 5% Sn, 0.2% P |
| Density | 8.86 g/cm³ |
| Melting Point | 1,000–1,050°C |
| Tensile Strength | 380–620 MPa (Cold-worked state) |
| Conductivity | 15% IACS |
| Corrosion Resistance | Excellent (Saltwater/chemical resistance) |
| Recommended Processes | Stamping, cold forming, precision casting |
| Avoid | Grinding (risk of work hardening), high-temperature annealing |
| Applications | Springs, bearings, marine hardware, electrical contacts |
C46400 (Naval Bronze)
| Composition | 60% Cu, 39% Zn, 1% Sn |
| Density | 8.41 g/cm³ |
| Melting Point | 950–1,000°C |
| Tensile Strength | 450–600 MPa (Hot-rolled state) |
| Conductivity | 23% IACS |
| Corrosion Resistance | Excellent (Marine environments) |
| Recommended Processes | Sand casting, CNC machining, welding |
| Avoid | Acid pickling (Sn degradation), prolonged UV exposure |
| Applications | Ship propellers, valve components, marine fasteners |
C70600 (Cupronickel 90/10)
| Composition | 90% Cu, 10% Ni |
| Density | 8.94 g/cm³ |
| Melting Point | 1,100–1,200°C |
| Tensile Strength | 380–550 MPa (Annealed state) |
| Conductivity | 6% IACS |
| Corrosion Resistance | Exceptional (Seawater/chloride resistance) |
| Recommended Processes | Tube bending, welding, CNC milling |
| Avoid | High-speed cutting (work hardening), sulfuric acid exposure |
| Applications | Seawater piping, heat exchangers, desalination plant components |
C3604 (High-Lead Free-Cutting Brass)
| Composition | 61.5% Cu, 35.5% Zn, 3% Pb (ASTM B16 compliant) |
| Density | 8.5 g/cm³ |
| Melting Point | 900–940°C |
| Tensile Strength | 340–580 MPa (varies with temper) |
| Conductivity | 28% IACS |
| Corrosion Resistance | Good (for indoor/dry environments) |
| Recommended Processes | Swiss screw machining, cold heading, CNC turning |
| Avoid | High-temperature welding (>200°C) |
| Applications | Screws, electrical terminals, valve components, plumbing fittings |
C3602 (Low-Lead Free-Cutting Brass)
| Composition | 62% Cu, 36% Zn, 1.5% Pb (RoHS/ELV compliant) |
| Density | 8.45 g/cm³ |
| Melting Point | 910–950°C |
| Tensile Strength | 320–550 MPa (cold-worked state) |
| Conductivity | 25% IACS |
| Corrosion Resistance | Moderate (requires plating for humid/corrosive environments) |
| Recommended Processes | Stamping, CNC milling, polishing |
| Avoid | Cold forging (low ductility) |
| Applications | Food-grade connectors, decorative hardware |
Precision Copper Alloy Machining Expertise
With 16+ years of specialized experience in copper alloys, we master CNC machining, Swiss screw turning, and sheet metal forming to deliver the best copper products.
CNC Machining
Tolerance: ±0.005mm
Max Workpiece Size: 800×500×300mm
Recommended Materials:
C11000 ; C3604/C3602 ; C51000
Post-Processing:
As Machined; Rough Polishing; Bead Blasting
Swiss Screw Machining
Tolerance: ±0.002mm
Max Workpiece Size: Ø30mm × 300mm
Recommended Materials:
C3604 ; C3602 ; C46400
Post-Processing:
Tumbling; Brushing; Passivation
Sheet Stamping
Tolerance: ±0.1mm
Max Workpiece Size: 1200×600mm (Sheet Size)
Recommended Materials(Sheet):
C26000; C11000 ; C70600
Post-Processing:
Deburring; Bead Blasting; Powder Coating
Sheet Bending
Tolerance: ±0.2° (Bend Angle)
Max Workpiece Size: 1500×1000×6mm (L×W×Thickness)
Recommended Materials:
C11000 ; C26000; C51000
Post-Processing:
Brushing; Polishing; Clear Coat Anti-Oxidation
FAQ
HDC works with a variety of copper materials, including pure copper, bronze, and brass. Each material is chosen based on its unique properties to match the specific requirements of your application.
Yes, HDC can assist in the design and prototyping stages of your copper component. Our team of experts will work closely with you to ensure that the design meets your functional and aesthetic requirements while optimizing the material's properties.
HDC utilizes several advanced fabrication methods including CNC machining, laser cutting, and sheet metal fabrication (punching and stamping). The choice of method depends on the part's design requirements and the specific properties needed.
The lead time can vary depending on the complexity of the part and the production techniques involved. Generally, it ranges from a few weeks for simpler projects to several months for more intricate or large-volume orders.
To receive a quote from HDC, please fill out the form on our page, provide your custom requirements, and upload your design drawing or sketch if available. We will respond within 24 hours to discuss your project and provide detailed pricing information.
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