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Precision-Rolled CU-ETP Copper Plate Custom Cutting Copper Sheets with Superior Electrical Conductivity

Precision-Rolled CU-ETP Copper Plate Custom Cutting Copper Sheets with Superior Electrical Conductivity

Products Specification

Material		Copper Plate
Grade	ASTM	C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000, C27000,C26800,C27200,C27400,C28000,C36500,C33000,C35300, C35600,C36000,C38500,C44300,C46400,C52100,C54400,C62300, C65500,C67500,C67600,C86300,C90700,C93200,C95400 etc.
	G/B	TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3, HPb66-0.5,HPb62-2,HPb62-3,HPb59-3,HSn70-1,HSn62-1,QSn8-0.3, QSn4-4-4,QAl9-4,QSB-1 etc.
	JIS	C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600, C 2700,C 2680,C 2720,C 2800,C 4430,C 4640,C 5210, C 5441, CAC304 etc
	BS	Cu-OFE,C 101,Cu-DHP,CZ 125,CZ 101,CZ 102,CZ 103,CZ 106,CZ 107, CZ 108,CZ 109,CZ 123,CZ 124,CZ 121,CZ 111,CZ 133, Pb 104, CS 101, CuSn10P etc.
	DIN/ISO	CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36, CuZn37,CuZn40,CuZn40Pb,CuZn37Pb2,CuZn36Pb3,CuZn39Pb3, CuZn28Sn1,CuZn38Sn1,CuSn8,CuSn4Pb4Zn3,CuSi3Mn,CuZn25Al5, CuSn10, CuSn7Zn3Pb7 etc.
Shape		Round, Square, Flat, Hexagon, Oval, Half-round or Customized
Dimension	Bar/Rod	Standard(Diameter 5-160 mm) or Customized
	Wire	Standard(Diameter 0.02-6 mm) or Customized
	Plate/Sheet	Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized
	Strip	Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized
	Tube/Pipe	Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized
Standard		GB/T,JIS,ASTM, ISO, DIN, BS, NF etc.
Hardness		1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.
Package		Plastic film + Wooden case or as per customer requirement
Surface		Polished,bright,oiled,hair line,brush,mirror,or as required
Deliver time		According to order's quantity.
Shipment		By sea, by air, DHL, UPS, FedEx etc. or as required
Application		Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial

Precision-Rolled CU-ETP Copper Plate Custom Cutting Copper Sheets with Superior Electrical Conductivity

In the realm of industrial materials, copper has long been revered for its unparalleled combination of electrical conductivity, thermal conductivity, and malleability. Among the various copper grades available, CU-ETP (Electrolytic Tough Pitch Copper) stands out as the gold standard for applications demanding consistent performance and reliability. Our precision-rolled CU-ETP copper plates and custom-cut copper sheets are engineered to meet the rigorous requirements of modern industries, from electronics and electrical engineering to automotive manufacturing and renewable energy. This product line leverages advanced rolling technologies and strict quality control processes to ensure each sheet delivers superior electrical conductivity, exceptional dimensional accuracy, and tailored solutions for diverse project needs.

Understanding CU-ETP Copper: Composition and Core Advantages

CU-ETP copper, defined by the standard EN 1976:2016 (equivalent to ASTM B152), is an electrolytically refined copper grade with a minimum copper content of 99.99%. Its chemical composition is carefully controlled to minimize impurities, as even trace amounts of elements like oxygen, sulfur, or iron can significantly degrade electrical conductivity and mechanical properties. The "tough pitch" designation refers to the small amount of oxygen (typically 0.02% to 0.04%) retained during the refining process, which enhances the material’s ductility and machinability without compromising its core performance metrics.

The primary advantage of CU-ETP copper is its superior electrical conductivity—it boasts a minimum IACS (International Annealed Copper Standard) conductivity rating of 100%, making it one of the most conductive metals available commercially. This property is critical for applications where energy efficiency and signal integrity are non-negotiable, such as electrical wiring, circuit boards, and power transmission components. Additionally, CU-ETP copper exhibits excellent thermal conductivity (401 W/m·K at 20°C), enabling efficient heat dissipation in high-temperature environments like automotive engines and electronic devices.

Other key benefits of our CU-ETP copper plates include exceptional malleability and formability. The precision rolling process we employ ensures the material maintains uniform thickness and grain structure, allowing it to be easily bent, stamped, welded, or soldered into complex shapes. This versatility makes it ideal for custom applications where standard sizes cannot meet project specifications. Furthermore, CU-ETP copper offers good corrosion resistance, particularly in dry and moderately humid environments, ensuring long-term durability in both indoor and outdoor settings.

Precision Rolling Technology: Ensuring Consistency and Quality

At the heart of our CU-ETP copper plate production is our state-of-the-art precision rolling process. Unlike conventional rolling methods, which can result in uneven thickness, surface defects, or inconsistent material properties, our advanced rolling mills utilize computer numerical control (CNC) systems to monitor and adjust every stage of the process in real time. This technology allows us to achieve thickness tolerances as tight as ±0.005 mm, ensuring each copper plate meets the exact dimensional requirements of our customers.

The precision rolling process begins with high-purity CU-ETP copper billets, which are heated to a controlled temperature to optimize malleability. The billets are then passed through a series of rolling stands, each equipped with hardened steel rolls that gradually reduce the thickness of the material. Throughout the process, non-destructive testing (NDT) equipment is used to detect surface flaws, such as scratches, pits, or oxide layers, ensuring only defect-free material proceeds to the next stage. After rolling, the copper plates undergo annealing—a heat treatment process that relieves internal stresses, enhances ductility, and restores the material’s optimal electrical conductivity.

Our commitment to quality extends beyond the rolling process. Each batch of CU-ETP copper plates is subjected to rigorous testing, including conductivity measurements, tensile strength tests, and chemical composition analysis. We maintain detailed quality control records for every shipment, providing our customers with complete traceability and peace of mind that their materials meet the highest industry standards.

Custom Cutting Services: Tailored Solutions for Every Application

We understand that no two projects are the same, which is why we offer comprehensive custom cutting services for our CU-ETP copper sheets. Whether you need small, intricate pieces for electronic components or large, precision-cut plates for industrial machinery, our team of experts can deliver tailored solutions to meet your exact specifications. Our custom cutting capabilities include laser cutting, waterjet cutting, shearing, and plasma cutting, each selected based on the thickness of the copper sheet, the complexity of the design, and the required precision.

Laser cutting is ideal for thin to medium-gauge CU-ETP copper sheets (0.1 mm to 10 mm thick) and produces clean, burr-free edges with minimal heat-affected zones. This method is perfect for intricate designs, such as circuit board patterns or decorative elements, where precision and surface quality are paramount. Waterjet cutting, on the other hand, is suitable for thicker copper plates (up to 100 mm thick) and is ideal for applications where heat damage must be avoided, such as in aerospace or medical components. Shearing is a cost-effective option for straight-line cuts on medium-gauge sheets, while plasma cutting is used for thick plates requiring fast, efficient cutting.

Our custom cutting process begins with a detailed consultation with the customer to understand their project requirements, including dimensions, tolerances, quantity, and application. We then use computer-aided design (CAD) software to create a precise cutting template, which is uploaded to our CNC cutting equipment for automated processing. Before shipment, all custom-cut copper sheets undergo a final inspection to ensure they meet the customer’s specifications, including dimensional accuracy and surface quality.

Key Specifications and Technical Parameters

Our precision-rolled CU-ETP copper plates and custom-cut sheets are available in a wide range of specifications to accommodate diverse industrial applications. The following table outlines the standard technical parameters, with custom options available upon request:

Parameter	Standard Value	Custom Range
Copper Grade	CU-ETP (EN 1976:2016 / ASTM B152)	N/A (Fixed grade for optimal conductivity)
Copper Content	≥99.99%	N/A
Electrical Conductivity (IACS)	≥100%	98%-101% (Based on annealing process)
Thermal Conductivity (20°C)	401 W/m·K	395-405 W/m·K
Thickness	0.1 mm - 100 mm	0.05 mm - 150 mm (Custom rolling available)
Width	100 mm - 2000 mm	50 mm - 3000 mm (Custom slitting available)
Length	100 mm - 6000 mm	Custom lengths (Up to 12000 mm for coils)
Tensile Strength (Annealed)	200-250 MPa	180-300 MPa (Based on temper)
Elongation (Annealed)	≥45%	40%-55% (Based on thickness and annealing)
Surface Finish	Mill Finish, Polished, Brushed	Custom finishes (e.g., Electropolished, Tarnish-Resistant Coating)

Applications Across Industries

The superior electrical conductivity, precision dimensions, and customizability of our CU-ETP copper plates make them indispensable in a wide range of industries. Below are some of the key application areas where our products excel:

1. Electronics and Electrical Engineering

In the electronics industry, CU-ETP copper sheets are used to manufacture printed circuit boards (PCBs), connectors, terminals, and bus bars. Their high electrical conductivity ensures minimal energy loss, while their malleability allows for intricate shaping to fit compact electronic devices. Our custom cutting services enable the production of small, precise components for smartphones, laptops, and medical devices, where space and performance are critical.

2. Automotive Manufacturing

Modern vehicles rely heavily on copper for electrical systems, heat exchangers, and brake components. Our precision-rolled CU-ETP copper plates are used to make radiator cores, air conditioning condensers, and electrical wiring harnesses. The material’s excellent thermal conductivity ensures efficient heat dissipation in engine compartments, while its corrosion resistance prolongs the lifespan of automotive components. Custom-cut copper sheets are also used in electric vehicle (EV) batteries and charging systems, where high conductivity and dimensional accuracy are essential for performance.

3. Renewable Energy

Renewable energy systems, such as solar panels and wind turbines, require materials that can withstand harsh environmental conditions while delivering optimal energy efficiency. Our CU-ETP copper plates are used in solar cell interconnects, wind turbine generators, and energy storage systems. Their superior electrical conductivity maximizes energy conversion efficiency, while their durability ensures reliable performance in outdoor environments.

4. Architecture and Decoration

CU-ETP copper’s natural beauty and corrosion resistance make it a popular choice for architectural applications, such as roofing, cladding, and decorative elements. Our custom-cut copper sheets can be shaped into intricate designs for building facades, interior accents, and public art installations. Over time, copper develops a unique patina that enhances its aesthetic appeal, making it a timeless choice for both modern and traditional architecture.

5. Industrial Machinery and Equipment

In industrial settings, CU-ETP copper plates are used to manufacture heat sinks, bus bars, and electrical contacts for machinery and equipment. Their high thermal conductivity helps prevent overheating, while their malleability allows for easy integration into complex machinery designs. Our precision rolling and custom cutting services ensure that the copper sheets meet the exact specifications of industrial applications, from heavy machinery to precision tools.

Quality Assurance and Compliance

We are committed to delivering the highest quality CU-ETP copper plates and custom-cut sheets to our customers. Our production facilities are certified to ISO 9001:2015, ensuring that all processes—from raw material sourcing to final inspection—adhere to strict quality management standards. We source our raw copper from reputable suppliers who meet international environmental and ethical standards, ensuring that our products are both high-quality and sustainable.

All our CU-ETP copper products comply with major international standards, including EN 1976:2016, ASTM B152, and JIS H3100. We provide material test reports (MTRs) with every shipment, which include detailed information on chemical composition, electrical conductivity, tensile strength, and dimensional accuracy. Additionally, our custom cutting services are backed by strict quality control processes, ensuring that each custom-cut sheet meets the customer’s exact specifications.

Why Choose Our Precision-Rolled CU-ETP Copper Plates?

When it comes to CU-ETP copper plates and custom-cut sheets, we stand out from the competition for the following reasons:

Superior Electrical Conductivity: Our CU-ETP copper meets or exceeds 100% IACS conductivity, ensuring optimal performance in electrical and electronic applications.
Precision Rolling: Advanced CNC rolling technology delivers tight thickness tolerances and uniform material properties, reducing waste and improving project efficiency.
Customizable Solutions: Comprehensive custom cutting services, including laser, waterjet, shearing, and plasma cutting, to meet unique project requirements.
Strict Quality Control: ISO 9001:2015 certification and rigorous testing processes ensure consistent quality and traceability.
Industry Expertise: Years of experience in copper processing, with a team of experts dedicated to providing technical support and personalized service.
Sustainable Practices: Sourcing from ethical suppliers and implementing eco-friendly production processes to minimize environmental impact.

Conclusion

Our precision-rolled CU-ETP copper plates and custom-cut copper sheets are engineered to deliver superior electrical conductivity, exceptional dimensional accuracy, and tailored solutions for the most demanding industrial applications. Whether you need standard-sized plates for mass production or custom-cut sheets for a unique project, we have the expertise, technology, and quality control processes to meet your needs. Backed by ISO certification, material test reports, and a commitment to customer satisfaction, we are your trusted partner for high-quality CU-ETP copper products.

Contact us today to discuss your project requirements and learn how our CU-ETP copper plates can enhance the performance and efficiency of your applications. Our team of technical experts is ready to provide personalized recommendations and competitive pricing for your order.

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Categories	Copper Plate Sheet
Brand Name:	DELTA
Model Number:	UNS C11000 / C110 / CU-ETP
Certification:	ISO
Place of Origin:	CHINA
MOQ:	50 kgs
Price:	10.1 - 12.5 USD/Kg
Payment Terms:	T/T, L/C
Supply Ability:	5 Ton per week
Delivery Time:	10 days
Packaging Details:	carton box, wooden box
Products:	Copper Plate Sheet
Material:	Copper Flat Bar
Thickness:	0.5 - 40mm
Shape:	Flat , Round, Square, Hexagonal.etc
Width:	10 - 1250mm
Service:	Cutting
Other products:	sheet, plate, coil,strip,bar,pipe
Packing:	carton box, wooden box