Wholesale Copper Nickel Bronze Factory & Companies

Sichuan Kepai New Material Co., Ltd. - Global Benchmark for High-Performance Copper Alloys & Custom Metallurgy Solutions

Premium Copper & Bronze Alloy Catalog - Batch A

Explore our industrial-grade high-conductivity and wear-resistant copper-nickel-bronze variants engineered for specialized high-tech applications.

Custom C19160 high strength copper alloy

Custom C19160 High Strength Copper Alloy

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Best Excellent Copper Alloy Material Beryllium Copper

Best Excellent Beryllium Copper Alloys

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Best High Performance Conductive Materials Tellurium Copper

High Performance Tellurium Copper Materials

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OEM C36000 Lead Brass Companies

OEM C36000 Lead Brass Raw Components

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Best C17200 high strength beryllium copper alloy

C17200 High Strength Beryllium Copper

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Custom Competitive Material Beryllium Copper C17300

Beryllium Copper C17300 Competitive Material

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Best Characteristics and application of high performance tellurium copper

High Performance Tellurium Copper Solutions

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OEM Lead Bronze Better Wear Resistance Manufacturer

OEM High Wear Resistance Lead Bronze Alloys

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Enterprise Strength: Sichuan Kepai New Material Co., Ltd.

Established in 2017, Sichuan Kepai New Material Co., Ltd. has rapidly emerged as a pioneer in advanced metallurgy and material science. Spanning a state-of-the-art facility of 9,000 square meters and an ultra-modern 1,000 square meters office complex in the West Area of the Sichuan Guanghan Industrial Development Zone, we are ideally situated for national and global distribution networks. Our proximity to National Highway 108 secures a robust supply chain framework that supports express logistics and bulk freight management.

We dedicate ourselves to researching, developing, manufacturing, and distributing advanced materials listed under China's strategic development initiatives. Our core product portfolio centers around specialty copper alloys, including tellurium copper, oxygen-free copper, silver copper, dispersion-strengthened copper, chromium zirconium copper, beryllium copper, and lead bronze. These high-conductivity, easy-to-machine, and high-strength alloys are vital for next-generation applications in electric vehicles (EVs), 5G networks, precision medical devices, aerospace engineering, and green energy distribution.

2017
Established Year
9,000+
Factory Area (sqm)
100%
Quality Control Guaranteed

Technical Roadmap & Future Outlook

Leading the next generation of metallurgical evolution to address demanding engineering environments.

Advanced Spinodal Alloys

Developing Cu-Ni-Sn (Copper-Nickel-Tin) spinodal decomposition alloys that exhibit high yield strength and wear resistance. This technology delivers exceptional performance without the environmental and health issues associated with traditional beryllium copper alloys.

Optimizing Conductivity & Strength

Our research focuses on overcoming the trade-offs in copper alloys. Through micro-alloying and thermal-mechanical processing, we manufacture alloys that offer over 85% IACS electrical conductivity while maintaining high tensile strength.

Sustainable Metallurgy & Carbon Neutrality

We are incorporating green manufacturing methodologies by using clean energy sources in our smelting processes. Our target is to reduce carbon emissions in high-conductivity copper smelting by 30% by 2028.

Macro Industry Solutions

Delivering high-performance alloy solutions across global industrial sectors.

New Energy Vehicles & EV Infrastructure

Modern electric vehicles demand materials that can handle high current and high voltage. Our oxygen-free tellurium copper is engineered for EV charging terminals, battery contacts, and relay connectors, providing low contact resistance and high thermal stability.

5G & Telecommunication Hardware

5G infrastructures require signal purity and reliable heat dissipation. Kepai's high-conductivity alloys are used in coaxial connectors, antenna elements, and RF shielding chambers, maintaining structural integrity across varying operating temperatures.

Marine Engineering & Corrosion Resistance

Copper nickel alloys are valued for their resistance to marine biofouling and seawater corrosion. Our copper nickel bronze lines are built for offshore platforms, ship hulls, and underwater sensor enclosures, offering reliability in marine environments.

China Factory 4.0: Supply Chain Resilience & Efficiency

Our production facility operates under modern manufacturing principles, integrating automation, process monitoring, and real-time quality control. With a 9,000-square-meter facility, Kepai handles all production stages in-house—from continuous casting and extrusion to wire drawing and heat treatment. This integrated workflow helps secure supply consistency and reduces delivery lead times.

We manage supply risk by maintaining direct relationships with premium raw copper suppliers. This ensures that every heat of alloy starts with 99.99% pure cathode copper. Located in Sichuan, we utilize regional green energy infrastructure, allowing us to maintain competitive production costs while lowering the overall environmental footprint of our products.

Strict Testing Protocols

Every production batch undergoes chemical composition validation, eddy current testing, and ultrasonic inspections to prevent internal defects.

On-Time Global Delivery

With direct access to primary highways and international ports, we ensure secure logistics and customs clearance for worldwide shipments.

Global Procurement Needs

Helping procurement teams evaluate copper alloy manufacturers based on quality, compliance, and consistency.

1. Chemical Composition Tolerance

Industrial applications require tight control over alloy composition. A deviation of even 0.05% in nickel or beryllium content can alter the conductivity and tensile properties of the material. Our facility guarantees strict chemical control in accordance with ASTM, EN, and JIS standards.

2. Dimensional and Shape Accuracy

For high-speed CNC machining, roundness, straightness, and consistent outer diameter tolerances are essential. Our post-extrusion drawing and straightening processes ensure that all bars and rods feed smoothly into automated lathe systems, minimizing downtime.

3. Complete Test Traceability

We supply full Mill Test Certificates (MTC) detailing mechanical properties, chemical composition, electrical conductivity (% IACS), and grain structure. This documentation is provided with every shipment to support client quality inspections.

Our Advanced Manufacturing & Quality Control Equipment

In-house facilities utilizing modern casting, extrusion, drawing, and analytical systems.

Smelting Furnace
Smelting
laying-off
Laying-off
extrusion line
Extrusion
drawing facility
Drawing
straightening machine
Straightening
packaging line
Package
eddy current conductance instrument
Eddy Current Conductance Instrument
Chemical composition test room
Chemical Composition Test Room
Metallographic sample polishing machine
Metallographic Polishing Machine
Microcomputer controlled electro-hydraulic servo universal testing machine
Universal Testing Machine
Liquid crystal display electronic universal testing machine
LCD Electronic Tester
Hardness tester
Hardness Tester

Localization Support & Compliance Assurance

Ensuring compliance with international standards and providing technical support globally.

Operating in the global metallurgical market requires strict adherence to environmental and technical standards. Sichuan Kepai manufactures all products in compliance with European Union RoHS (Restriction of Hazardous Substances) and REACH regulations. This ensures our tellurium copper and custom copper nickel alloys are safe for consumer electronics and automotive applications.

We cooperate with internationally recognized inspection agencies, including SGS, TUV, and Intertek, to perform independent audits. Our quality system is certified under ISO 9001:2015, and we maintain documentation history for every production batch to support long-term projects.

To support our global customers, our engineering team provides design support. We assist clients with material selection, machining parameter recommendations, and failure analysis to optimize production workflows.

Frequently Asked Questions (FAQ)

Get answers to common technical, manufacturing, and sourcing inquiries.

What is the difference between tellurium copper and standard pure copper?
Tellurium copper (typically designated as C14500) contains a small addition of tellurium (0.4% - 0.7%). This addition increases its machinability rating to 85% (compared to 20% for pure copper), while maintaining over 93% IACS electrical conductivity. This property helps reduce tooling wear and machining cycle times during CNC lathe operations.
Why is Copper-Nickel-Beryllium (C17510) preferred for high-current relays?
C17510 is a heat-treatable alloy that combines high electrical conductivity (approx. 45-60% IACS) with high yield strength. It is resistant to stress relaxation at temperatures up to 250°C, making it suitable for automotive and power grid relay contacts that experience thermal cycling.
How does Sichuan Kepai ensure consistency across large production batches?
We use computer-controlled induction furnaces to manage melting temperatures and limit raw material oxidation. Each heat is analyzed using optical emission spectrometers. In addition, our drawing and heat treatment stages are automated and continuously monitored to minimize differences in physical properties.
What testing and certifications do your alloys receive before shipping?
Every shipment includes a Mill Test Certificate (MTC) showing the chemical composition, tensile strength, elongation, hardness, and electrical conductivity. We also perform eddy current defect testing and ultrasonic inspections upon customer request to verify material integrity.

Premium Copper & Bronze Alloy Catalog - Batch B

Complete your sourcing specifications with our selection of pure copper, phosphor bronze, and specialized machinable alloys.

Wholesale C17510 copper nickel beryllium alloy

Wholesale C17510 Copper-Nickel-Beryllium Alloy

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Wholesale C11000 Pure copper

Wholesale C11000 Pure Copper Material

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High Quality C54400 Copper Alloy

High-Quality C54400 Copper Alloy

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OEM C26000 Brass for deep drawing

C26000 Brass for Deep Drawing & Stamping

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Best C14500 tellurium copper material

Best C14500 Tellurium Copper Rods & Bars

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Custom Free Cutting Copper Alloy Sulfur Copper

Custom Free-Cutting Sulfur Copper Alloys

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Custom High conductivity C51100 phosphor copper

C51100 High Conductivity Phosphor Copper

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High Quality High Performance Beryllium Copper Alloy

High Performance Beryllium Copper Alloys

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Get Started Today

Looking ahead, Sichuan Kepai New Materials Co., Ltd. will continue to engage in research and application in the field of new materials. We look forward to cooperating with partners globally to build reliable supply lines.