Copper Slit Coil & Strip Supplier & Exporter

Copper Slit Coil & Strip Supplier & Exporter

High electrical conductivity ETP C11000 precision slit copper coil on wooden arbor stock

Technical Product Details

Material Grade Pure Copper & High Conductivity Alloys (C11000 ETP, C12200 DHP, C10200 OFC, C10100)
Governing Specifications ASTM B152 / ASME SB152, ASTM B743 / ASME SB743, BS EN 1652, DIN 17670, JIS C1100
Supply Configurations Continuous Slit Coils (Pancake & Traverse Wound), Flat Cut-to-Length Strips
Dimensional Scope Thickness: 0.03 mm to 5.0 mm | Width: 3.0 mm to 1250 mm
Electrical Conductivity 100% to 101% IACS Minimum (Electrolytic Tough Pitch & Oxygen-Free Grades)
In-House Quality Verification Eddy Current Conductivity Testing, Micrometer Tolerancing, Hardness Verification, Grain Size Analysis

Copper Slit Coil & Strip Overview

Engineered for ultra-high electrical transfer, thermal management, and precision stamping, cold-rolled copper alloys provide unmatched conductivity and workability. Nirvaan Overseas is a premier Copper Slit Coil & Strip Supplier in India processing high-purity ETP and OFC coils slit to narrow width tolerances.

As a dedicated Copper Strip Supplier in India and Copper Slit Coil Supplier in India, we supply burr-free Slit Copper Coil and Precision Copper Strip stock with paper interleaving. Our gauge capabilities extend down to 0.03 mm thickness for transformer windings and stamped electrical terminals.

Operating as an established Copper Strip Exporter and Copper Slit Coil Exporter, we maintain ready inventory of Copper Strip in Coil and Copper Strip Coil profiles. Every shipment complies with ASTM B152 standards with 100% IACS testing for export to Saudi Arabia, UAE, Germany, Singapore, and the US.

Technical Specifications

Parameter Technical Details
Standards ASTM B152 / ASME SB152, ASTM B743 / ASME SB743, BS EN 1652, DIN 17670, JIS C1100 / JIS C1220
Grades C11000 (ETP), C12200 (DHP), C10200 / C10100 (OFC), C10300, C10800, C14200, C14420
Supply Form Copper Slit Coil (Pancake / Traverse Wound), Precision Slit Copper Strip (Cut-to-Length Strips)
Dimensions Thickness: 0.03 mm to 5.0 mm | Slit Width: 3.0 mm to 1250 mm | Length: Continuous Coil / Up to 6000 mm Strips
Width Tolerance Precision Slit Tolerance: ±0.05 mm on narrow ribbon coil widths
Tempers Soft Annealed (O60), Quarter Hard (H00), Half Hard (H02), Full Hard (H04), Extra Hard (H06)
Surface Finish Bright Cold Rolled (CR), Hot Rolled Pickled (HR), Electro-Tinned, Paper Interleaved
Edge Finish Slit Edge, Deburred Edge, Rounded Safety Edge, Square Edge

Copper Chemical Composition & Physical Properties

Copper Strip Chemical Composition

Element C11000 (ETP) Specification Limits C12200 (DHP) Specification Limits C10200 (OFC) Specification Limits
Copper (Cu + Ag) 99.90% Min 99.90% Min 99.95% Min
Oxygen (O) 0.02% – 0.04% Max Excluded 0.001% Max
Phosphorus (P) 0.015% – 0.040% Max
Lead (Pb) 0.005% Max 0.005% Max 0.003% Max
Iron (Fe) 0.005% Max 0.005% Max 0.004% Max
Total Impurities 0.03% Max 0.04% Max 0.01% Max

Copper Slit Strip Mechanical & Physical Properties

Property Parameter Soft Annealed (O60 Temper) Half Hard (H02 Temper) Full Hard (H04 Temper)
Tensile Strength (MPa) 210 – 250 MPa 260 – 320 MPa 330 – 400 MPa
Yield Strength (MPa) 60 – 100 MPa 180 – 240 MPa 280 – 350 MPa
Elongation (% in 50 mm) 35% – 50% Min 10% – 20% Min 3% – 8% Min
Vickers Hardness (HV) 40 – 65 HV 75 – 95 HV 100 – 120 HV
Electrical Conductivity 100% – 101% IACS 98% – 100% IACS 97% – 99% IACS
Density Constant 8.96 g/cm³ 8.96 g/cm³ 8.96 g/cm³

Finish Strip Weight Calculator

Calculate the approximate weight of your Finish Strip:

Cold rolled C12200 copper strip coil with anti tarnish paper interleaving for stamping

Key Advantages of Precision Copper Strip

  • Maximum Power Efficiency: Delivers superior electrical conductivity (100% IACS min) to reduce energy loss in busbars and transformers.
  • Easy Bending & Forming: Highly flexible material that can be bent flat without cracking or tearing along the edges.
  • Fast Heat Dissipation: Quickly pulls heat away from electronics, motor drives, and heating/cooling systems.
  • Natural Weather Resistance: Resists rust, moisture, and outdoor weathering by forming its own protective surface layer.
  • Tarnish-Free Delivery: Packed with specialized interleaving paper and protective wrapping to arrive clean and stain-free.

Key Industrial Applications

  • Electrical Switchgear & Transformers: High-purity transformer winding coils, busbar connections, grounding strips, and electrical contact blades.
  • Automotive Electronics & Wiring: Stamped wire terminals, fuse links, electric vehicle battery cell interconnectors, and radiator core fins.
  • Power Distribution Equipment: Cable shielding tape, switchboard panel ribbons, and lightning protection system conductors.
  • Precision Electronics & Telecom: Semiconductor lead frames, printed circuit board bus strips, and coaxial cable inner wrapping.
  • Heat Exchangers & HVAC: Compact heat sink fins, solar collector absorber strips, and capillary tube fittings.

Grade Selection Guide: ETP C11000 vs DHP C12200 vs OFC C10200

Key Feature C11000 (ETP - Electrolytic) C12200 (DHP - Deoxidized) C10200 (OFC - Oxygen-Free)
Main Benefit High 100% IACS conductivity at economical cost Superior deep drawing & no hydrogen embrittlement Pure 99.95% Cu for vacuum & high-frequency use
Conductivity 100% – 101% IACS 80% – 85% IACS 101% IACS
Welding Fit Risk of embrittlement in heat above 370°C Excellent for torch brazing & gas arc welding Ideal for vacuum brazing & electron beam welding
Best Uses Busbars, switchgear, transformer coils, terminals Heat exchangers, radiator tubes, plumbing fins Vacuum tubes, audio cables, EV battery busbars
Stock Status Core Stock Item Standard Order Grade High-Purity Stock Item

Global Supply & Export Network

Operating as a premier Copper Slit Coil & Strip Supplier in India and Copper Strip Exporter, we maintain active delivery pipelines across major global hubs:

🇮🇳 India

  • India Flag Mumbai
  • India Flag Pune
  • India Flag Chennai
  • India Flag Faridabad

Middle East

  • Saudi Arabia Flag Saudi Arabia
  • Qatar Flag Qatar
  • Oman Flag Oman
  • Kuwait Flag Kuwait

Europe

  • Germany Flag Germany
  • Italy Flag Italy
  • Netherlands Flag Netherlands
  • Poland Flag Poland

Asia Pacific

  • Singapore Flag Singapore
  • Malaysia Flag Malaysia
  • Vietnam Flag Vietnam
  • Indonesia Flag Indonesia

🇺🇸 United States

  • United States Flag Michigan
  • United States Flag Illinois
  • United States Flag Texas

Quality Assurance & Inspection

To guarantee zero-defect performance, every order processed by our certified facility undergoes comprehensive testing prior to dispatch:

Inspection Category Evaluation Standard & Procedure
Electrical Testing Eddy current conductivity testing to verify minimum 100% IACS rating on ETP and OFC lots.
Dimensional & Edges Laser micrometer checking for thickness consistency, width tolerance (±0.05 mm), and burr-free edges.
Mechanical Verification Tensile strength, yield proof, and Vickers hardness (HV) testing per ASTM B152 limits.
Surface Inspection Visual scan ensuring clean metal surfaces free of oxide scale, scratches, or oil staining.
MTC & Compliance EN 10204 3.1 Material Test Certificates issued with full chemical, physical, and heat traceability.

Frequently Asked Questions

Q: What is the primary difference between a Copper Slit Coil and a Precision Copper Strip?

A: A Copper Slit Coil is a continuous ribbon wound on arbors or steel cores for high-speed automated press feeding, whereas a Precision Copper Strip can also refer to flat cut-to-length linear pieces leveled for manual switchgear fabrication.

Q: How does a Copper Slit Coil Supplier in India prevent tarnish during ocean transport?

A: As a leading Copper Slit Coil Supplier in India, we apply anti-tarnish protective oil, interleave paper between layers, and wrap coils in moisture-proof VCI film inside seaworthy wooden cases.

Q: Can C11000 ETP copper be welded easily?

A: ETP copper can become brittle if welded at high heat above 370°C in certain gases; for high-heat welding or torch brazing, C12200 DHP or C10200 OFC grades work better.

Q: How accurate are your slitting cuts on narrow copper coils?

A: Our precision machinery cuts strip widths accurately within ±0.05 mm while smoothing down the edges to prevent rough burrs.

Q: Which countries do you export copper coils and strips to?

A: As an active Copper Strip Exporter, we regularly ship orders to Saudi Arabia, UAE, Qatar, Oman, Kuwait, Germany, Italy, Poland, Singapore, Malaysia, Vietnam, Indonesia, and the United States.

Request a Quote for Copper Slit Coil & Strip

Contact Nirvaan Overseas—your trusted Copper Slit Coil & Strip Supplier in India—for factory-direct quotes, custom slitting, paper interleaving, EN 10204 3.1 MTCs, and fast worldwide delivery. If you have any questions about the products or services, send us an

  • Email: sales@nirvaanoverseas.com

  • Phone / WhatsApp: +91 77386 88058