Electrical-Grade Extruded Pure Copper Special Shapes

Short Description:

Product Specifications
Name： Custom Extruded Pure Copper Profile
Standard： ASTM B124 / B133, UNS C11000, RoHS Compliant, REACH Compliant
Material： C11000 (Electrolytic Tough Pitch Copper, ≥99.9% Cu)
Surface： Mill Finish, Optional Polished or Drawn
Cross-Section： Custom Shapes (rectangular, T-section, channels, decorative profiles, etc.)
Maximum Circumscribed Circle： Up to 150mm
Length： 1000mm – 6000mm (custom cut-to-length available)
Product Features: Ultra-high electrical and thermal conductivity · Excellent ductility for complex shapes · Superior corrosion resistance · High purity for consistent performance · Good machinability and formability · Attractive natural finish with oxidation stability · Cost-effective for medium-volume custom runs
Application Field: Electrical connectors and bus systems, Heat sinks and cooling components, Decorative architectural trim, Automotive radiators and fittings, Precision instruments, Plumbing and sanitary hardware, RF shielding and antennas, Custom signage and branding elements

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Custom Extruded Pure Copper Profile – Process & Quality Assurance Statement
Our custom extruded pure copper profiles are produced to enable intricate, high-performance shapes that leverage copper's unmatched conductivity and workability, ideal for applications demanding both functionality and aesthetics.

Key process features

The hot extrusion process ensures dense material with excellent flow into complex dies:
●Billet Preparation: High-purity copper billets are preheated to achieve optimal plasticity without grain growth.
●Direct Extrusion: The billet is forced through custom dies under high pressure, forming precise cross-sections with smooth surfaces.
●Cooling & Straightening: Controlled cooling prevents warping, followed by straightening for excellent linearity.
●Annealing (Optional): Stress-relief heat treatment restores full ductility and conductivity where needed.
●Cutting & Finishing: Profiles are saw cut to length; optional polishing or deburring enhances appearance and handling.
●Surface Protection: Light oil coating applied to prevent oxidation during storage and transit.
●Packaging: Profiles are bundled with protective separators to maintain condition during international shipping.

Quality control system

● Complete traceability from raw billet to finished profile
● Material test certificates and extrusion reports supplied with every order
● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of critical attributes:
• Chemical purity and oxygen content (spectrometric analysis)
• Mechanical properties (tensile and conductivity testing on samples)
• Dimensional accuracy (CMM and profile projectors; typical tolerance ±0.5% on cross-section)
• Surface quality and straightness (visual + laser measurement)
• Internal structure (ultrasonic testing on request)
● Internal standards exceed ASTM B124 requirements. Typical C11000 extruded properties: Conductivity >101% IACS, Excellent thermal transfer, Consistent shape retention even in intricate designs.
● ISO 9001:2015 certified extrusion operations ensure every custom pure copper profile meets your exact specifications with reliable quality and efficient production.