Custom Precision Machining Copper Parts in China

Custom Precision Machining Copper Parts in China

As a leading manufacturer in China, we specialize in precision machining of copper components for various industrial applications. With advanced CNC technology and extensive expertise, we deliver high-quality copper parts that meet the most demanding specifications and performance requirements.

Our state-of-the-art manufacturing facility is equipped with multi-axis CNC machines, precision lathes, and advanced inspection equipment, ensuring exceptional dimensional accuracy and surface finish for all copper components we produce.

Why Choose Copper for Your Components?

Excellent Conductivity

Copper offers superior electrical and thermal conductivity, making it ideal for electrical components and heat exchangers.

Corrosion Resistance

Copper naturally resists corrosion, ensuring long-term reliability in various environments.

Machinability

Copper alloys are easily machinable, allowing for complex geometries and tight tolerances.

Antimicrobial Properties

Copper surfaces naturally inhibit bacterial growth, ideal for medical and food processing applications.

Common Applications of Copper Machined Parts

Hydraulic Systems

Copper valve cores, connectors, and fittings for hydraulic and pneumatic systems requiring corrosion resistance.

Electrical Components

Bus bars, terminals, connectors, and heat sinks for electrical and electronic equipment.

Automotive Parts

Radiator components, brake system parts, and electrical connectors for automotive applications.

Plumbing Fixtures

Valves, fittings, and connectors for water supply systems and industrial plumbing.

Industrial Machinery

Bushings, bearings, gears, and custom components for various industrial machinery.

Marine Equipment

Corrosion-resistant fittings, valves, and connectors for marine and offshore applications.

Medical Devices

Surgical instruments, equipment components, and antimicrobial surfaces for medical applications.

Aerospace Components

Precision parts for aviation and aerospace systems requiring high conductivity and reliability.

Our Copper Machining Capabilities

CNC Milling

Precision 3-5 axis CNC milling for complex copper components with tight tolerances up to ±0.005mm. We handle everything from prototyping to high-volume production.

CNC Turning

High-precision CNC turning services for copper rods, bars, and custom shapes. Our Swiss-type lathes deliver exceptional concentricity and surface finishes.

Drilling & Tapping

Precision hole making and threading operations for copper components, including micro-drilling down to 0.3mm diameter.

Surface Finishing

Comprehensive finishing options including polishing, deburring, plating, and protective coatings to enhance performance and appearance.

Copper Materials We Work With

Material Type Characteristics Common Applications
Pure Copper (C10100, C11000) Excellent electrical and thermal conductivity, good corrosion resistance Electrical connectors, bus bars, heat sinks
Brass (C36000, C46400) Superior machinability, good strength, corrosion resistance Valves, fittings, gears, decorative components
Bronze (C51000, C54400) High strength, wear resistance, excellent corrosion resistance Bearings, bushings, marine components
Beryllium Copper (C17200) High strength, excellent thermal and electrical conductivity Springs, connectors, aerospace components

Our Copper Product Portfolio

Hydraulic Valve Core

Hydraulic Valve Core

Precision-machined copper valve cores for hydraulic systems requiring excellent corrosion resistance and durability.

Graphite-Embedded Bearing

Graphite-Embedded Bearing

Self-lubricating copper bearings with embedded graphite for high-load applications requiring minimal maintenance.

Electronic Device Cover

Electronic Device Cover

Precision-milled copper covers for electronic devices providing EMI shielding and thermal management.

Mechanical Equipment Connector

Mechanical Equipment Connector

High-strength copper connectors with precision threads for mechanical equipment and industrial systems.

Our Precision Machining Process

1

Design Review

Our engineering team analyzes your specifications and provides manufacturing recommendations.

2

Material Selection

We help select the optimal copper alloy based on your performance requirements and budget.

3

Precision Machining

Advanced CNC equipment transforms raw copper materials into precision components.

4

Quality Inspection

Every component undergoes rigorous dimensional and visual inspection before shipment.

Quality Assurance

Dimensional Accuracy

We maintain tight tolerances up to ±0.005mm using advanced CMM and optical measurement systems.

Material Traceability

All copper materials come with complete documentation and traceability to ensure quality consistency.

Surface Integrity

We carefully control machining parameters to prevent work hardening and maintain material properties.

Process Control

Strict process controls at every manufacturing stage ensure consistent quality and performance.

Copper Alloy Materials for CNC Machining

Copper Alloy Materials for CNC Machining

A comprehensive reference guide for material properties, processing methods, and applications of common copper alloy grades used in CNC machining

Alloy Grade Material Properties Processing Methods Surface Treatment Typical Applications Cost Machining Tips
C11000 (Electrolytic Tough Pitch Copper)
Pure Copper
  • Excellent electrical and thermal conductivity
  • Good corrosion resistance
  • High ductility and malleability
  • Good solderability and weldability
  • Susceptible to hydrogen embrittlement when heated
  • CNC Milling
  • CNC Turning
  • Stamping
  • Deep Drawing
  • Welding (TIG, MIG)
  • Electroplating (nickel, tin, silver)
  • Chemical Polishing
  • Lacquering
  • Passivation
  • Electrical conductors and bus bars
  • Heat exchangers
  • Roofing and architectural applications
  • Plumbing fittings
  • Printed circuit boards
Medium Soft and gummy material; Use sharp tools with positive rake angles; Low cutting speeds; Effective chip breaking essential
C36000 (Free-Cutting Brass)
Brass
  • Excellent machinability
  • Good corrosion resistance
  • Moderate strength
  • Good electrical conductivity
  • Lead content improves chip formation
  • CNC Turning
  • CNC Milling
  • Drilling and Tapping
  • Screw Machining
  • Stamping
  • Polishing and Buffing
  • Lacquering
  • Nickel or Chrome Plating
  • Chemical Coloring
  • Plumbing fittings and valves
  • Electrical connectors
  • Gears and bearings
  • Decorative hardware
  • Musical instruments
Low Excellent machinability; Use standard cutting tools; High cutting speeds possible; Good chip formation
C26000 (Cartridge Brass)
Brass
  • Good combination of strength and ductility
  • Excellent cold working properties
  • Good corrosion resistance
  • Attractive gold-like appearance
  • Good electrical conductivity
  • CNC Milling
  • CNC Turning
  • Deep Drawing
  • Stamping
  • Spinning
  • Polishing
  • Lacquering
  • Electroplating
  • Chemical Patination
  • Ammunition components
  • Radiator cores
  • Hardware accessories
  • Musical instruments
  • Decorative trim
Medium Moderate machinability; Use sharp tools; Can be gummy; Proper chip control needed
C51000 (Phosphor Bronze A)
Bronze
  • Excellent fatigue resistance
  • Good corrosion resistance
  • High strength and hardness
  • Good wear resistance
  • Excellent spring properties
  • CNC Milling
  • CNC Turning
  • Stamping
  • Forming
  • Welding (limited)
  • Polishing
  • Passivation
  • Electroplating
  • Chemical Coloring
  • Springs and contacts
  • Bellows and diaphragms
  • Fasteners
  • Bearing cages
  • Marine hardware
Medium Moderate machinability; Use sharp tools with positive rake; Can work harden; Avoid excessive heat
C93200 (Bearing Bronze)
Bronze
  • Excellent bearing properties
  • Good machinability
  • Good corrosion resistance
  • Low coefficient of friction
  • Good wear resistance
  • CNC Turning
  • CNC Milling
  • Casting
  • Drilling and Boring
  • Screw Machining
  • Polishing
  • Oil Impregnation
  • Passivation
  • Chemical Coating
  • Bushings and bearings
  • Gears
  • Wear plates
  • Pump components
  • Valve seats
Medium Good machinability; Use standard cutting tools; Lead content improves chip formation; Suitable for high-speed machining
C71500 (Copper Nickel 30%)
Copper-Nickel
  • Excellent corrosion resistance in seawater
  • Good biofouling resistance
  • Moderate strength
  • Good thermal conductivity
  • Excellent stress corrosion cracking resistance
  • CNC Milling
  • CNC Turning
  • Welding (TIG, MIG)
  • Forming
  • Tube Bending
  • Passivation
  • Pickling
  • Electropolishing
  • Protective Coating
  • Marine heat exchangers
  • Desalination plants
  • Ship hulls and piping
  • Offshore platforms
  • Chemical processing equipment
High Moderate machinability; Work hardens quickly; Use sharp tools with positive rake; Adequate coolant flow
C17200 (Beryllium Copper)
Beryllium Copper
  • High strength and hardness
  • Excellent fatigue resistance
  • Good electrical and thermal conductivity
  • Excellent wear resistance
  • Non-sparking properties
  • CNC Milling
  • CNC Turning
  • Forming
  • Heat Treatment
  • Welding (limited)
  • Passivation
  • Electroplating
  • Chemical Film Coating
  • Heat Treatment for Hardening
  • Springs and connectors
  • Mold inserts
  • Aerospace components
  • Oil and gas tools
  • Electronic components
High Machine in annealed condition; Heat treat after machining; Use sharp carbide tools; Can work harden; Safety precautions for beryllium dust
C17510 (Beryllium Copper)
Beryllium Copper
  • High electrical conductivity
  • Good strength and hardness
  • Excellent thermal conductivity
  • Good formability
  • Non-sparking properties
  • CNC Milling
  • CNC Turning
  • Stamping
  • Forming
  • Welding (limited)
  • Passivation
  • Electroplating
  • Chemical Film Coating
  • Heat Treatment
  • Electrical connectors
  • Switchgear components
  • Resistance welding electrodes
  • Thermal management components
  • Spring contacts
High Good machinability; Lower beryllium content than C17200; Use standard cutting tools; Safety precautions for beryllium dust
C95400 (Aluminum Bronze)
Bronze
  • High strength and hardness
  • Excellent wear resistance
  • Good corrosion resistance
  • Good high-temperature properties
  • Non-sparking properties
  • CNC Milling
  • CNC Turning
  • Casting
  • Welding (with precautions)
  • Grinding
  • Passivation
  • Shot Peening
  • Chemical Coating
  • Heat Treatment
  • Gears and bearings
  • Marine hardware
  • Chemical processing equipment
  • Mining equipment
  • Aerospace components
Medium Moderate to difficult machining; Use carbide tools; Can work harden; Adequate coolant essential