Table of Contents
Market Insight: 50X6 Mm Copper Strip in Power Industry

Market Analysis: 50×6 mm Copper Strip for Transformer Applications
Industrial Demand Drivers
Global demand for 50×6 mm copper strip is driven by expanding power infrastructure, renewable energy integration, and electric vehicle (EV) adoption. This dimension optimizes conductivity and mechanical stability for high-current transformer windings and motor busbars. Key applications include distribution transformers (up to 100 MVA), EV traction motors, and grid-scale energy storage systems. Smart grid modernization and EV charging infrastructure growth further accelerate demand, with Asia-Pacific accounting for 60% of global consumption due to industrialization and policy-driven investments. Industry projections indicate a 7% CAGR through 2030.
Material Quality Criticality
Substandard copper strip directly impacts transformer efficiency and longevity. Critical parameters include:
Electrical Conductivity: Minimum 100% IACS (International Annealed Copper Standard) required; impurities >0.05% increase I²R losses by 2–3%, reducing efficiency by 0.5–1%.
Dimensional Tolerance: ±0.05 mm thickness consistency ensures precise winding without insulation damage; deviations cause uneven current distribution and hotspots.
Surface Quality: Microscopic scratches or oxides trigger arcing in high-voltage applications, increasing failure rates by 15–20%.
Compliance with ASTM B170 Grade C10200 (≥99.95% Cu) is non-negotiable for mission-critical systems.
Luoyang Xinzhaohe’s Value Proposition
As a 20+ year manufacturer specializing in transformer-grade copper and aluminum strips, we deliver factory-direct 50×6 mm copper solutions with unmatched cost-performance. Our ISO 9001-certified production ensures:
15–20% lower pricing than global brands (e.g., Umicore, Wieland) without quality compromise.
Tighter tolerances (±0.05 mm) and ≥99.95% purity via in-house spectrometry and continuous casting.
15-day lead times (vs. 30+ days for EU suppliers) with 95% on-time delivery.
Customizable annealing (half-hard/full-hard) and surface treatments for specialized applications.
100% ultrasonic testing for internal defects and dimensional validation.
| Metric | Luoyang Xinzhaohe | Global Brands | Industry Avg. |
|---|---|---|---|
| Price (USD/kg) | $8.50 | $10.50 | $9.00–$11.00 |
| Lead Time | 15 days | 30+ days | 20–40 days |
| Thickness Tolerance | ±0.05 mm | ±0.08 mm | ±0.10 mm |
| Purity (Cu %) | ≥99.95% | ≥99.90% | ≥99.90% |
| Certifications | ISO 9001, ASTM B170 | ISO 9001 | Varies |
Partner with Luoyang Xinzhaohe for supply chain resilience, engineering precision, and lifecycle cost optimization in transformer and motor applications.
Technical Specs: 50X6 Mm Copper Strip Parameters

Technical Specifications for 50×6 mm Copper Strip
As a leading manufacturer of transformer-grade materials with 20+ years of experience, Luoyang Xinzhaohe Aluminum CO.,Ltd. delivers precision-engineered copper strips engineered for high-performance transformer windings. Our 50×6 mm copper strip meets stringent international standards, ensuring reliability, efficiency, and safety in critical power applications.
Key Specifications & Compliance
| Parameter | Specification | Standard |
|---|---|---|
| Width Tolerance | ±0.002 mm | ASTM B170 |
| Thickness Tolerance | ±0.03 mm | ASTM B170 |
| Edge Burr | ≤0.01 mm (burr-free) | IEC 60076 |
| Conductivity | ≥101% IACS | ASTM B196 |
| Hardness (HV) | ≤40 (Annealed) | ASTM B246 |
Quality Assurance Process
Our manufacturing process integrates advanced technology with rigorous quality protocols. Precision slitting is performed using CNC-controlled shearing systems with real-time laser measurement to maintain width tolerance within ±0.002 mm. Each batch undergoes 100% edge inspection via optical profilometry to eliminate burrs (≤0.01 mm), critical for preventing short circuits in transformer assemblies. Conductivity is verified using eddy current testing per ASTM E1004, guaranteeing ≥101% IACS. Hardness is measured via Vickers testing (ASTM B246) to confirm annealed condition (HV ≤40). All raw materials are certified C10100 grade copper, sourced from ISO 9001-certified suppliers with full traceability. Our in-house metallurgical lab conducts monthly material analysis, and all production equipment is calibrated quarterly. Statistical process control (SPC) ensures continuous parameter monitoring, while 100% traceability from raw material to finished product is maintained with detailed quality certificates for every coil.
Cost-Performance Advantage
With over two decades of specialized transformer material expertise, Luoyang Xinzhaohe delivers IEC/ASTM-compliant copper strips at 10–15% lower cost than global competitors like Olin or Wieland. Our factory-direct model eliminates middlemen, leveraging optimized production processes, local raw material sourcing, and streamlined logistics in Luoyang, China. This ensures rapid lead times, consistent quality, and superior value for transformer manufacturers—without compromising technical precision or reliability in high-stakes power applications.
Factory Tour: Manufacturing 50X6 Mm Copper Strip
Manufacturing Process & Quality Control
Precision Manufacturing Process
Cold Rolling: Precise reduction rates (15–20% per pass) with intermediate annealing at 300–350°C in controlled atmosphere furnaces. Maintains ≥99.9% IACS conductivity and uniform grain structure, eliminating micro-cracks in high-frequency transformer windings. PLC-monitored temperature/speed ensures traceability and consistency.
Precision Slitting: CNC-guided slitting with real-time laser edge inspection achieves ±0.05 mm width tolerance and edge burr <0.01 mm. Blade wear monitored via sensors, with replacements every 500 meters to prevent insulation damage during assembly.
Edge Conditioning: Automated chamfering creates a consistent 0.1 mm radius, eliminating sharp edges that compromise dielectric integrity. 100% profilometer inspection ensures zero defects per batch.
Oscillate Winding: Computer-controlled tension (±0.5 N) and oscillation frequency (15–25 Hz) ensure uniform layering. X-ray tomography validates dimensional accuracy (99.8%) for critical orders, reducing rework by 25%.
Rigorous Quality Control
All batches undergo ASTM B152 tensile testing (±2% yield strength consistency), laser micrometer thickness checks (±0.02 mm), and digital caliper width verification (±0.05 mm). Surface defects are screened via 100% AOI, while OES spectrometry confirms Cu ≥99.9% purity. Third-party audits validate compliance with IEC 60228 and ASTM B170.
| Parameter | Luoyang Xinzhaohe | Generic Market |
|---|---|---|
| Thickness Tolerance | ±0.02 mm | ±0.05 mm |
| Width Tolerance | ±0.05 mm | ±0.10 mm |
| Edge Burr | ≤0.01 mm | ≤0.03 mm |
| Tensile Strength Consistency | ±2% | ±5% |
| Surface Defects | Zero (AOI) | Visible scratches common |
With a 98% on-time delivery rate and ISO 9001-certified processes, we provide a reliable, cost-effective alternative to premium global brands. Luoyang Xinzhaohe’s 20+ years of transformer material expertise ensures seamless integration into your supply chain while optimizing total cost of ownership. Our competitive pricing stems from vertically integrated production and localized raw material sourcing in Luoyang, China, eliminating import markups.
Packaging & Global Logistics

Export Packaging & Logistics: Ensuring Safe Delivery of Copper Strip from China
As an ISO 9001-certified manufacturer with 20+ years of experience in transformer materials, Luoyang Xinzhaohe Aluminum CO., Ltd. specializes in delivering 50×6 mm copper strip with precision-engineered packaging optimized for global sea freight. Our factory-direct model eliminates intermediaries, providing cost-effective solutions without compromising product integrity for transformer manufacturers worldwide. All packaging systems comply with international shipping standards, including ISPM 15 and ASTM D4169 drop-test protocols. We ship exclusively from Qingdao Port, China’s largest copper product export hub, ensuring efficient handling and minimal port delays.
Precision Packaging Specifications
Our multi-layer packaging system ensures corrosion resistance and structural integrity during marine transit. Key components meet rigorous industrial standards:
| Component | Specification | Purpose |
|---|---|---|
| VCI Paper | 50g/m² vapor corrosion inhibitor layer | Prevents oxidation during transit; compatible with copper surfaces |
| Wooden Pallet | ISPM 15 compliant, heat-treated, 1200×1000mm, 15mm thickness with corner boards | Prevents shifting; meets phytosanitary standards; enhances structural stability |
| Moisture-Proof Film | 200μm PE film + 50g/m² silica gel desiccant packs (triple-layer wrapping) | Blocks humidity-induced oxidation; maintains surface conductivity; prevents condensation |
| Steel Strapping | 19mm width × 0.5mm thickness, 2000kg tensile strength, anti-rust coated (4-point tensioning) | Secures load against vibration; prevents edge damage; ensures load integrity |
End-to-End Logistics Management
All shipments undergo pre-shipment inspections for moisture content, load stability, and packaging compliance. Containerized in 20ft/40ft dry van units with humidity-controlled environments, our logistics network guarantees seamless customs clearance across 150+ countries. Full documentation (Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, ISPM 15 certificate) is pre-verified to avoid delays. Real-time GPS tracking provides end-to-end visibility, with typical transit times of 25–40 days to major ports (Rotterdam, Los Angeles, Singapore). Our integrated system reduces total landed costs by 15–20% versus European suppliers while maintaining equivalent quality standards.
By integrating industrial-grade packaging with streamlined logistics, Luoyang Xinzhaohe delivers reliable, cost-competitive copper strip solutions that minimize transformer production downtime. Contact us for custom packaging specifications tailored to your regional requirements and compliance standards.
Sourcing from Luoyang Xinzhaohe

Why Partner with Luoyang Xinzhaohe Aluminum CO.,Ltd
As a trusted alternative to premium global brands, Luoyang Xinzhaohe Aluminum CO.,Ltd delivers transformer-grade copper strips with exceptional cost-performance ratios without sacrificing technical integrity. Our 20+ years of specialized manufacturing ensures precision-engineered 50×6 mm copper strips optimized for transformer windings, busbars, and high-current applications. We eliminate middlemen through direct factory sales, passing savings directly to customers while maintaining rigorous quality controls. Our strategic location in Luoyang, China, provides efficient logistics access to global markets with minimal shipping delays.
Unmatched 20+ Years Technical Expertise
Our facilities in Luoyang, China, feature state-of-the-art rolling mills and controlled atmosphere annealing lines, ensuring uniform grain structure and minimal residual stress. Every 50×6 mm strip undergoes precise dimensional control (±0.02mm), conductivity testing (≥100% IACS), and tensile validation (200-250 MPa) per ASTM B152 and IEC 60404-8-7. Our metallurgical engineers continuously optimize alloy formulations and annealing processes to meet evolving industry demands, including high-frequency transformer applications requiring ultra-low resistivity and exceptional fatigue resistance. This engineering rigor ensures optimal transformer efficiency, reduced eddy current losses, and extended service life in critical power applications.
Factory-Direct Cost Efficiency
| Comparison Metric | Industry Standard | Luoyang Xinzhaohe Advantage |
|---|---|---|
| Unit Cost | Premium brands: $X/kg | 15-25% lower via direct manufacturing |
| Lead Time | 4-6 weeks | 2-3 weeks with optimized production |
| Quality Consistency | Supplier-dependent | ISO 9001:2015 certified, real-time monitoring |
| Customization | Limited options | Full engineering support for bespoke requirements |
| Material Traceability | Limited documentation | Full ERP traceability from raw material to shipment |
| Technical Support | Reactive but slow | Dedicated engineering team for rapid issue resolution |
Rigorous Quality Assurance & Compliance
Every batch undergoes 100% inspection using advanced spectrometers for composition analysis (≥99.95% Cu), four-point probe conductivity testing, and surface defect detection via high-resolution imaging. We adhere to ISO 9001:2015 quality management systems with documented procedures for every production step, ensuring consistent quality across all orders. Our commitment to excellence has earned us long-term partnerships with leading transformer manufacturers worldwide. All data is traceable via our ERP system, providing full transparency for your quality assurance protocols. This rigorous process guarantees zero defects in high-stress transformer environments, reducing total lifecycle costs for your projects by up to 30% compared to substandard alternatives.
Contact Cathy at cathy@transformerstrip.com for a competitive quote and technical consultation tailored to your project specifications. Our team is ready to provide material certifications, samples, and production timelines within 24 hours to accelerate your procurement process.
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