Custom Tin Plated Copper Strip | High-Conductivity & Solderable Conductor for Busbars, Connectors & Renewable Energy

Custom Tin Plated Copper Strip

Einführung

1. Tin Plated Copper Strip is a high-performance electrical material consisting of a high-purity copper core (typically ETP or Oxygen-Free grades) coated with a uniform, continuous layer of tin through electroplating or hot-dip processes. The copper core provides exceptional electrical and thermal conductivity (reaching approx. 100% IACS), while the tin plating acts as a robust barrier against atmospheric corrosion, oxidation, and copper migration. This protective layer significantly enhances the material’s solderability and ensures stable, low contact resistance over long-term use, even in humid or mildly corrosive industrial environments.

2. We offer fully customizable Tin Plated Copper Strips tailored to your specific engineering requirements, including adjustable thickness, width, and plating finishes (available in bright or matte). Our strips are manufactured in various tempers—from soft annealed to hard-drawn—and are optimized for precision stamping, bending, punching, and CNC machining. They are widely utilized in the production of power busbars, electrical terminals, switchgear components, battery tabs, and grounding strips for the automotive, solar energy, and telecommunications sectors. All products are produced with reference to international standards such as ASTM B152 and ASTM B33, ensuring reliable performance for both high-volume industrial manufacturing and specialized prototyping.

   Spezifikationen

   Typ	Tin Plated Copper Strip / Tinned Copper Strip / Tin-Coated Copper Busbar Strip
   Structure	High‑conductivity copper strip with a continuous tin coating applied by electroplating or hot‑dip tinning; tin layer firmly bonded to the copper substrate
   Material Grade (Copper)	ETP copper (C11000), oxygen‑free copper (C10100/C10200), or equivalent high‑purity copper grades according to ASTM/EN/GB standards
   Cu/Sn Ratio (Thickness)	Copper base thickness plus tin layer thickness customizable; typical tin thickness from approx. 2–15 µm per side (heavier coatings on request), optimized for solderability, corrosion resistance, and cost
   Electrical & Thermal Cond.	Copper core provides excellent electrical and thermal conductivity (≈ 100% IACS); tin coating has minimal impact on bulk conductivity while greatly improving surface solderability and contact stability
   Formular	Flat strip or busbar, supplied in coils or cut‑to‑length bars; suitable for punching, bending, and CNC machining for connectors and power distribution components
   Thickness Range	Customizable total thickness, typically from about 0.1 mm to 10 mm or more (for busbars); tin layer thickness adjusted independently according to application and standard requirements
   Width & Length	Strip width from a few millimeters up to 300–600 mm (depending on thickness and production route); supplied as continuous coils (tens to hundreds of meters) or fixed cut lengths per customer specification
   Coating Method	Electro‑tin plating (bright or matte) for thin, precise coatings; hot‑dip tinning for thicker, more robust coatings where required
   Surface Finish	Bright, matte, or semi‑bright tin surface; controlled roughness to optimize solder wetting, crimping, and contact performance; optional anti‑tarnish treatment
   Mechanical Properties	Determined mainly by copper grade and temper (soft, half‑hard, hard); good formability for stamping, bending, and busbar fabrication while maintaining high conductivity
   Corrosion Performance	Tin layer improves resistance to atmospheric corrosion and prevents direct copper oxidation and migration; suitable for humid and industrial environments, especially in electrical enclosures
   Solderability & Joining	Excellent solderability (Sn layer), compatible with soft soldering, brazing, and crimping; good contact performance in bolted, riveted, or spring‑clamp connections
   Dimensional Tolerances	Tight control of thickness, width, and flatness according to relevant copper strip standards (e.g., ASTM B152/B272, EN/GB equivalents) to ensure stable feeding and forming in automated production
   Standards & Reference	Manufactured with reference to standards for copper strip and tin coatings, such as ASTM B152 (Copper Sheet, Strip), ASTM B272 (Copper Bus Bar), and ASTM/IEC/EN specifications for electro‑tin plating
   Application Range	Power busbars, switchgear and control panels, earthing/grounding strips, battery tabs and connectors, automotive and EV power distribution, renewable energy systems, terminal blocks, and general electrical connection hardware
   Processing Capability	Supports slitting, shearing, punching, stamping, bending, deep drawing (within limits), drilling, and CNC profiling; suitable for high‑volume automated production lines
   Customization	Tailored copper grade, temper, total thickness, strip width, tin coating thickness/type (bright or matte), coil inner/outer diameter, and pre‑punched or pre‑formed parts according to drawings or CAD files
   Packaging	Supplied in wrapped coils or bundled strips with edge protection; anti‑corrosion paper/film and pallet/wooden‑case packaging available for safe transport and long‑term storage

Referenzmaße