Premium wear-resistant metals, custom-engineered for Nigeria's oil extraction, deep-sea ports, mining operations, and regional electrical distribution systems.
Specially formulated with optimized lead dispersion to provide excellent boundary lubrication under the high humidity and heavy loads of the Lagos Port operations.
Outstanding fatigue limit and heat dissipation. Ideal for subsea sliding parts and drilling machine bearings operating in corrosive coastal waters.
Highly ductile brass alloy perfect for electrical terminal fabrication, domestic connectors, and structural power hardware across West African networks.
Offers superior electrical conductivity combined with high mechanical strength, critical for cellular transmission stations and regional power relays.
Nigeria’s rapid economic expansion and industrial diversification are driving an unprecedented demand for reliable, high-performance mechanical and electrical components. As Africa's largest economy, Nigeria hosts complex industrial ecosystems, ranging from deep-water oil and gas operations in the Niger Delta to massive infrastructure projects like the Lekki Free Zone, Dangote Refinery, and major mining sites across Jos and Kaduna. The mechanical integrity of these operations depends on critical wear-resistant alloys, particularly lead bronze (leaded tin bronze), which forms the backbone of heavy rotating equipment, marine bearings, and mining crushers.
The operational environment in Nigeria presents unique metallurgical challenges. High humidity, high ambient temperatures, and dust infiltration accelerate friction-wear cycles in heavy machinery. Traditional steel or low-grade bronze components fail rapidly under these conditions, leading to catastrophic downtime and expensive capital losses. Leaded bronze alloys, including standard formulations like C93200 (SAE 660) and high-lead variations like C93700, solve this problem by providing excellent self-lubricating properties, lower friction coefficients, and superior tolerance for shaft misalignment. However, domestic production of advanced copper alloys remains limited. Consequently, engineering firms and industrial plants in Nigeria rely heavily on global specialized manufacturers like Sichuan Kepai New Material Co., Ltd. to supply materials that strictly match ASTM, ISO, and DIN standards.
Global procurement teams in the oil and gas, marine, and power distribution sectors face strict quality assurance requirements. In modern procurement, particularly for critical installations in remote sites across West Africa, material traceability is a non-negotiable compliance pillar. Cheap, non-certified metal components often suffer from severe micro-structural defects, such as uneven lead distribution (lead segregation) and gas porosity. When high-load shaft bearings operate, these structural failures can lead to premature metal fatigue, bearing seizure, and costly damage to expensive machinery.
Sichuan Kepai New Material Co., Ltd. addresses these global sourcing challenges by implementing strict quality control systems. By using advanced horizontal continuous casting and precise thermal treatment, Kepai ensures that lead distribution remains uniform throughout the copper matrix. This micro-structural precision ensures that if lubrication films break down under high loads, the lead phase will smear onto the contact surface, preventing metal-to-metal bonding and catastrophic seizing. All exports destined for Nigeria are accompanied by complete Mill Test Certificates (MTC) to EN 10204 3.1 standards, ensuring full traceability from the raw material stage to the finished product.
Established in 2017, Sichuan Kepai New Materials Co., Ltd. is a leading high-tech enterprise that integrates research, development, production, and sales of high-performance copper alloys. Our modern manufacturing facility, located in the western area of the Sichuan Guanghan Industrial Development Zone, spans a 9,000 square meter factory floor, supported by a 1,000 square meter research and administrative complex. This prime geographic location, adjacent to National Highway 108, provides efficient logistics connections to major Chinese ports, ensuring smooth transit times for our international shipping routes to Nigeria and West Africa.
Kepai is dedicated to manufacturing strategic copper alloys, which are critical for the modernization of industries like new energy vehicles (NEVs), 5G networks, aerospace engineering, laser cutting, and lithium battery relays. Our product portfolio includes advanced alloys like tellurium copper, high-conductivity oxygen-free copper, silver copper, dispersion strengthened copper, lead bronze, and beryllium copper. Guided by our business philosophy of "innovation-driven development, quality wins the market," Kepai actively participates in national industrial upgrading initiatives, offering custom engineering solutions that help global industries achieve cost efficiency and long-term sustainability.
To optimize lead bronze for the extreme, hot-dry, and marine environments found in Nigeria, Kepai has developed a technical roadmap focused on structural refinement and elemental optimization:
By optimizing cooling rates during horizontal continuous casting, Kepai minimizes lead segregation, resulting in a highly uniform distribution of fine lead pockets throughout the copper-tin matrix.
Controlled additions of nickel and zinc strengthen the copper-tin matrix, enhancing the alloy's resistance to saltwater corrosion and sulfuric acid attacks in Niger Delta oil rigs.
The presence of finely dispersed lead acts as a natural chip breaker during machining. This allows workshops in Lagos and Port Harcourt to easily machine replacement sleeves with high surface accuracy.
Our manufacturing facility operates under strict international quality guidelines, ensuring that every shipment to Nigeria meets global mechanical standards.




Kepai's production and quality testing capabilities are powered by advanced manufacturing machinery and precise testing systems, ensuring consistent quality for all alloy orders.
Answers to common technical, logistics, and material questions from procurement engineers and project managers operating in Nigeria and West Africa.
Our comprehensive catalog of high-conductivity, wear-resistant, and high-strength copper alloys, engineered to meet the demands of global industries.
Offers high wear resistance, fatigue strength, and excellent machinability, making it ideal for manufacturing bushings and gear assemblies.
Provides minimum 100% IACS electrical conductivity, essential for high-voltage power lines and sub-station transformers.
Combines high electrical conductivity with free-machining performance, reducing tool wear and processing costs for local manufacturers.
Provides high tensile strength, hardness, and non-sparking properties, essential for safety equipment in offshore gas terminals.
Leaded variant of beryllium copper that offers improved machinability, suitable for high-precision components in West African telecommunication nodes.
Provides high elastic limits and corrosion resistance, suitable for switchboards, electrical relays, and distribution boxes.
A precipitation-hardened leaded nickel-copper alloy that offers high strength, good conductivity, and excellent resistance to marine environments.
Offers high conductivity combined with free-cutting performance, suitable for machining electrical pins and high-current connectors.
Whether you require custom lead bronze bushings for heavy machinery in Port Harcourt or high-conductivity alloys for electrical networks in Abuja, our technical sales team is ready to assist you.