C11000 Copper Foils Strips For Transformers Winding

Your Premier C11000 Copper Foils Strips For Transformers Winding Manufacturer & Supplier

c11000 copper foils strips for transformers winding

C11000 Copper Foils Strips For Transformers Winding

C11000 copper foils strips for transformers winding is made from red copper with purity of 99.95% and above, produced by cold rolling technology.

The thickness can be from 0.01mm to 3.0mm and the width is from 5mm to 1200mm.

C11000 has a minimum conductivity of 99.80% IACS (International Annealed Copper Standard) and can be supplied in a wide variety of tempers.

C11000 copper foil for transformer winding has advantages of good electrical conductivity, low resistance loss, superior surface quality etc., it is widely used as winding wire in electronic transformer, reactor and high frequency transformer.

Specifications of C11000 Copper Foils Strips For Transformers Winding

1.Quick Details of C11000 Copper Foils Strips For Transformers Winding

Product NameC11000 Copper Foils Strips For Transformers Winding
GradesC1100/C11000 Red Copper
TemperO
Thickness0.01mm-3.0mm
WidthWidth:5mm-1200mm
EdgeSlit/Round
Quantity Tolerance±10%
Paper Core Internal
Diameter
Ø 150mm,Ø300mm, Ø400mm, Ø500mm paper core, special internal diameter core and without paper core on
special request
Surface FinishThe strip has a smooth surface, free from scratches and impurities
Cu (Min)99.90%
Electrical Conductivity

(20℃)(IACS)
≥99.80%
ApplicationsTransformer winding
PackagingWooden Pallet/Wooden Case
Payment Terms30% TT deposit and 70% balance before shipment, 100% LC at sight
Delivery Time7-10 working days
MOQ500Kgs
Shipping PortShanghai/Ningbo port
SampleThe sample of copper foil strip is available
RemarkC1100/C11000 copper foil strip can be customized

2.Technical Specifications

Technical Specifications
Product NameCopper Foil Strip C11000 O Temper
Thickness 0.01mm – 3.00 mm
Width 5 – 1200 mm
t<0.01 and t>3.00 on special request
Thickness Core Tube= minimun 15 mm
= maximun 20 mm
Edge Deburring RangeThickness ≤0.20 mm;Burr≤0.03mm
Thickness >0.20mm ;Burr≤0.05mm
Staggered floorThickness ≤0.20 mm; Staggered floor≤0.5mm
Thickness >0.20mm ; Staggered floor≤2mm
TurriformThickness ≤0.20 mm; Turriform≤4mm
Thickness >0.20mm ; Turriform≤5mm
ProtectionPossibility for paper-interleaving and paper core.
Thickness 0.01 – 3.0 mm
Width 5– 1200 mm

3.Chemical Composition of C11000 Copper Foils Strips For Transformers Winding

C1100/C11000 Copper Foils Strips Chemical Composition(%)
ElementCu+AgSnZnPbNiFeAsO
Standard Value≥99.90≤0.002≤0.005≤0.005≤0.005≤0.005≤0.002≤0.06

4.Mechanical Properties of C11000 Copper Foils Strips For Transformers Winding

PropertyUnitsTemper
Annealed* (O soft)
Tensile Strength (min)MPa210*
Elongation (min)%40*
HardnessHV55 max*

5.Equivalent Alloy Specifications Of C11000 Copper Foils Strips For Transformers Winding

Chinese Grade

Abroad Similar Brand

INTERNATIONAL

USA

JAPAN

UK

GERMANY

(ISO)

(ASTM)

(JIS)

(BS)

(DIN)

T2

Cu-ETP

C11000

C1100

C101

R-Cu57

How C11000 Copper Foils Strips For Transformers Winding Are Made?

The C11000 copper foils strips for transformer winding production process we adopt is to roll the pure copper by rolling mill and then anneal, which is a common method.

The annealing is the core of rolling pure copper. The deformation resistance and conductivity of rolled copper foil are closely related to the annealing process. If the annealing process is not good, it will cause the copper foil to be brittle, easy to break and difficult to bend.

The specific steps of production process are as follows:

1) Rolling pure copper into a certain width and thickness of pure copper strip, this step is called cold rolling;

2) Pure copper strip through the annealing furnace, so that the internal organizations of pure copper strips are more uniform, this step is called heat treatment;

3) The electromagnetism effect of the pure copper strip after annealing treatment can be used to further improve its performance. This step is called electromagnetic effect;

4) Foil cutting (slitting): Our workers help cut the coils of copper foils as customer request width;

5) Packaging: Choosing the good quality wooden case for C11000 copper foils strips packaging;

6) Shipment: Our team help you arrange the air freight or sea shipment for delivery.

C11000 Copper Foils Strips For Transformers Winding Edges Options

Many people have the trouble of c11000 copper foils strips for transformers winding edge.

In the actual operation process, due to the influence of steel strip hardness and unloading speed, it is difficult to effectively control the edge of the transformer copper foil strip.

However, after our technical personnel have studied for a long time, we have found a solution to this problem.

The solution is: in order to make the edge of copper foil uniform, it is necessary to reduce the rolling pressure as much as possible and improve the surface quality of steel strip (for surface defect repair and removal).

This requires that in addition to adjusting the equipment parameters in strict accordance with the requirements of process technical conditions, but also according to different casting billets (casting thickness), different rolling mills and rolling mills (working roll sets) and different batches of materials.

The corresponding design and adjustment should be carried out for relevant process parameters.

C11000 Copper Foils Strips For Transformers Winding: The Ultimate Guide

If you are looking for C11000 copper foils strips for transformers winding; if you’re looking for information about the best quality copper strips, the best manufacturer, distributor, trader or dealer of these precision materials; the best place to buy the ultimate solution that makes your work easier and saves you time and money—you have come to the right place!

What are c11000 copper foils strips for transformers winding?

The c11000 copper foils strips for transformers winding is made of high quality oxygen-free copper as the material, and has a very good conductivity and weldability.

The surface of the copper foil is flat, smooth, clean and free of scratches. The transformer with the c11000 copper foils strips winding has a small no-load current loss, a low no-load current noise level and an excellent heat dissipation performance.

It is mainly used in the manufacture of transformers and other electrical equipment.

c11000 copper foils strips for transformer windings includes:

  • 1.The thickness tolerance of c11000 copper foils strips for transformer windings is: ±0.02mm, and the width tolerance is ±0.5mm;
  • 2.The width of c11000 copper foils strips for transformer windings can be from 5mm to 1200mm;
  • 3.The weight range of : c11000 copper foils strips for transformer windings is about 30kg to 300kg per roll;
  • 4.The edge condition of c11000 copper foils strips for transformer windings includes: round edge, burr free edge, slit edge, sheared edge.

Common transformer winding problems

Transformers are often one of the most common elements we find in electrical equipment. They are used to transfer electrical power, typically to increase or decrease the voltage.

However, they can also be susceptible to several problems, which can lead to their degradation or even failure. These winding problems require maintenance and repair work, which usually involves a costly process and downtime.

Common transformer winding problems:

One of the most common types of winding problem is the formation of shorts between turns. This kind of short is found at different locations in a transformer winding, caused by imperfection during the manufacturing process, improper storage and handling, or excessive mechanical stress.

Shorts between turns may happen over the entire length of a coil end or along its length. They can be classified according to their location as either hot-spot shorts (between adjacent layers) or cold-spot shorts (between adjacent turns).

Another type of winding problem is insulation faults caused by partial discharges that occur in a transformer’s winding insulation system. They occur when part of the insulation breaks down under electric stress. In turn, it produces ionization channels that trigger localized current pulses that dissipate energy and produce gases inside the transformer’s winding system.

Why does transformer use c11000 copper foils strips for transformers winding?

Just like transformer aluminum foils strips, copper is also the main material of transformer winding.

Copper strip is a kind of conductor that has high conductivity, good heat dissipation performance and corrosion resistance. It is suitable for various environments and can be processed into standard size. It is a good choice for transformer winding.

The c11000 copper foil strip has high electrical conductivity, high strength and toughness, good corrosion resistance, and can withstand power frequency voltage more than 10kv.

The surface of the transformer winding made of it can pass the test of corona discharge experiment, and the winding will not be able to produce corona discharge under long-term operation.

At the same time, copper foil can be used to make transformer with large capacity and small volume, reduce the weight of transformer components and improve its mechanical intensity, so as to realize the rapid development of small-sized transformer.

What are the advantages of using c11000 copper foils strips for transformers winding?

C11000 copper foil is the most commonly used type of copper for transformer winding. It has high ductility, good electrical conductivity and excellent thermal conductivity.

The advantages of using c11000 copper foils strips for transformers winding are as follows:

  1. The tensile strength of C11000 copper foil is very large, it can be stretched to a very large size, the stretching ratio is up to 30%.
  2. C11000 copper foil has good corrosion resistance and weldability, and its welding position is not easy to crack.
  3. C11000 copper foil has good plasticity, can be processed into various shapes according to requirements, and is convenient to use.

How to deal with c11000 copper foils strips for transformers winding packaging?

The packaging for c11000 copper foils strips for transformers winding is mainly about wooden pallet and wooden box.

C11000 copper foils strips for transformers winding length of each roll should be same, packaging mark should have clear and complete information.

  • Wooden Pallet: Standard export package, no fumigation; Pallet size: 1.1m x 1.1m x 0.8m; Gross weight: 1 Ton; 4 pallets/20′ FCL; 8 pallets/40′ FCL Or as per customer’s requirements.
  • Wooden Box: The standard export package with fumigation certificate, it can avoid any potential damage during the transportation.

How to buy c11000 copper foils strips for transformers winding from China manufacturers?

To buy c11000 copper foils strips for transformers winding, the buyer should consider:

  1. The China manufacturer’s experience in the metal strips manufacturing industry.
  2. The quality of goods manufactured by the China manufacturers.
  3. The financial stability of the manufacturers.
  4. The supplier’s delivery system.

To get a quick quote for c11000 copper foils strips for transformers winding you need to know:

  • Quantity (Kgs/Tons)
  • Size (Thickness x Width x Coil)
  • Temper (O Soft)
  • Material Grade (C11000, etc)
  • Edge (Slit/Deburred/Round)
  • Coil ID (200mm/300mm/400mm/500mm)
  • Surface Finish (Mill red copper color)
  • Packaging (Eye to eye, eye to wall, wooden pallets, wooden cases)

What is the hs code of c11000 copper foils strips for transformers winding?

To find out the detailed HS code of related copper strips, you need to determine the specifications and applications of the strips.

The following are the part of c11000 copper foils strips for transformers winding:

HS code:74091190.00