Copper Bars Industrial and Electrical Buyers
Buy 99.99% pure copper bar in bulk, Wholesale Oxygen-Free Electronic Grade Round Rods and Flat Rectangular Busbars, Square copper Bars. Copper conducts electricity better than almost any affordable metal. High purity improves that performance further. Maubis Trading B.V. supplies 99.99% pure copper bar in bulk to manufacturers, traders, and electrical engineering firms. Therefore, you can source a dependable base material for demanding applications.
Product Specification – Copper Bars and Rods
| Parameter | EU Industrial High-Conductivity Copper Busbars (Cu-ETP / CW004A) | EU High-Purity Oxygen-Free Copper Bars (Cu-OF / CW008A) |
| 1. Brand | Maubis Trading B.V. (Private Label / Industrial Metals & Metallurgy Supplies) | Maubis Trading B.V. (Private Label / Precision Engineering & Electrical Metallurgy) |
| 2. Variants | Flat Rectangular Busbars, Square Bars, Round Rods (Extruded, Drawn, Annealed, or Hard Temper Profiles) | Oxygen-Free Electronic Grade Round Rods, Square & Flat Bars (Vacuum & Cryogenic Grade Temper Profiles) |
| 3. Standard Unit Sizes | Width: 10 mm to 200 mm; Thickness: 3 mm to 20 mm; Length: 3,000 mm to 6,000 mm (Custom Cut-to-Length available) | Diameter / Width: 5 mm to 150 mm; Length: 3,000 mm to 6,000 mm (Precision Tolerances) |
| 4. Packaging / Case | Wrapped in anti-corrosion VCI (Vapor Corrosion Inhibitor) paper/film; bundled with heavy-duty steel strapping on wooden runners or enclosed in ISPM-15 heat-treated wooden crates | Fully wrapped in VCI protective film and anti-scratch plastic sleeve; packed inside ISPM-15 certified heavy-duty wooden export crates |
| 5. Container / Pallet Logistics | 1,000 kg to 2,500 kg gross weight per Wooden Bundle / Crate; Euro Pallet compatible runners (800 x 1200 mm or 1000 x 2000 mm); 20–25 MT per 20ft Heavy-Duty FCL | 1,000 kg to 2,000 kg gross weight per Wooden Export Crate; Euro Pallet / Heavy Skid runners; 20–24 MT per 20ft Heavy-Duty FCL |
| 6. Physical Appearance | Smooth, bright metallic reddish-copper surface; clean sheared/drawn edges; free from deep scratches, scale, cracks, oxidation, or burrs | Ultra-clean, high-luster reddish metallic finish; precision-turned/ground surface; free from porosity, inclusions, or oxide scale |
| 7. Quality Specs / Safety | Purity: Cu >= 99.90% (Cu-ETP / UNS C11000 / EN 13601); Electrical Conductivity >= 100% IACS (58.0 MS/m at 20°C); Tensile Strength: 200 to 360 MPa (depending on temper); Hardness: 40 to 110 HB; Density: 8.89 g/cm³; Compliant with EN 13601 (Copper for Electrical Purposes), EN 12163, and ISO 197-1; REACH Regulation (EC) No 1907/2006 and RoHS Directive 2011/65/EU compliant | Purity: Cu >= 99.95% (Oxygen content <= 0.001% / 10 ppm; Cu-OF / UNS C10200 / EN 13601); Electrical Conductivity >= 101% IACS (58.6 MS/m at 20°C); Thermal Conductivity: 390 W/m·K; Free from hydrogen embrittlement (EN ISO 2626 test compliant); ASTM B170 Grade 2 / EN 13601 certified; RoHS and REACH fully compliant |
| 8. Shelf Life | Indefinite (Non-degradable solid metal; stored in dry, climate-controlled warehouse conditions away from direct humidity, acidic fumes, and atmospheric moisture to prevent surface oxidation/patina) | Indefinite (Non-degradable solid metal; stored in dry, sealed VCI packaging in climate-controlled warehouse conditions at < 50% relative humidity to preserve bright surface finish) |
Why Purity Matters
Impurities slow the flow of current. They also make copper harder and less ductile. A 99.99% grade keeps conductivity high and the metal easy to work. As a result, engineers choose it where efficiency and heat control matter.
Common Uses
Copper bar serves many industries:
- Busbars in switchgear and power distribution
- Transformer and motor components
- Welding and electrode applications
- Heat sinks and thermal parts
- Custom machined electrical connectors
Each use needs the right shape and size. Consequently, we recommend sharing your drawings or dimensions early.
Shapes and Dimensions
Bars come in round, square, flat, and rectangular profiles. Length, thickness, and tolerance vary between orders. Tell us your exact needs. We will then confirm what we can supply. This step avoids costly mismatches at the factory.
Documentation and Quality
Industrial buyers want proof of what they receive. For that reason, ask about material test documents when you request a quote. We discuss specifications, packing, and inspection expectations before shipment. Meanwhile, you can run your own checks on arrival.
Packing for Heavy Cargo
Copper is dense, so weight drives logistics. Bars travel best on strong pallets with secure strapping. Protective wrapping limits surface marks and moisture. In addition, correct stacking prevents bending during transit.
Pricing Linked to the Market
Copper prices follow global exchange movements. Our quotes reflect current conditions, so timing matters. Larger orders earn stronger rates. Likewise, repeat buyers can discuss planned volumes with our team.
International Delivery
Maubis Trading B.V. arranges export documents, freight booking, and shipment tracking. We deliver to buyers across many regions. Whether you need a single pallet or a full container, we plan around your schedule.
Request a Copper Bar Quote
Send us your profile, dimensions, quantity, and destination. Our team will reply with a clear quote. Contact Maubis Trading B.V. today and secure high-purity copper for your next project.