Copper Round Bar
Premium Copper Round Bars in C101, C102, C11000 & C12200 grades with exceptional electrical conductivity. Available in custom sizes and finishes. Worldwide export available.
Copper round bars are widely used across electrical, engineering, automotive, marine, and industrial manufacturing sectors because of their exceptional electrical conductivity, thermal conductivity, corrosion resistance, and machining performance. At Siddhgiri Overseas, we are a trusted Copper Round Bar Supplier & Exporter, offering premium-quality copper bars manufactured to international standards including ASTM B75, ASTM B88, EN 1057, JIS H3300, JIS H3100, and JIS H3250. Our products are produced from high-purity copper alloys to deliver consistent performance in demanding industrial applications.
We supply Copper Round Bars in C101, C102, C103, C11000, and C12200 grades with diameters ranging from 3 mm to 60 mm and lengths of 3 metres and above. Available in soft annealed, light annealed, and hard drawn tempers, our bars feature bright polished or rough turned finishes with tight dimensional tolerances. Siddhgiri Overseas supplies copper round bars throughout India and exports to UAE (Dubai), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, South Africa, and many other international markets with complete material traceability, Mill Test Certificates (MTC), and reliable logistics support.
Request a Free Quote
Copper round bars are preferred where excellent conductivity, durability, and fabrication characteristics are required. Their outstanding physical and mechanical properties make them suitable for both electrical and structural applications.
Siddhgiri Overseas stocks copper round bars in multiple grades, tempers, finishes, and sizes to meet the needs of electrical contractors, OEMs, fabrication companies, and engineering industries.
| Specification | Details |
|---|---|
| Product | Copper Round Bar |
| Material Grades | C101, C102, C103, C11000, C12200 |
| Standards | ASTM B75, ASTM B88, EN 1057, JIS H3300, JIS H3100, JIS H3250 |
| Diameter | 3 mm to 60 mm |
| Length | 3 Metres & Above |
| Density | 8.96 g/cm³ |
| Temper | Soft Annealed, Light Annealed, Hard Drawn |
| Finish | Bright Polished, Rough Turned |
| Forms | Solid Rod, Threaded Rod, Ground Rod |
| HSN Code | 74071020 |
We maintain ready stock of various copper alloy grades suitable for different industrial applications.
Manufactured from high-purity oxygen-free copper, C101 bars provide exceptional electrical and thermal conductivity and are widely used in electrical equipment, vacuum systems, and precision engineering.
C102 copper bars offer excellent conductivity combined with superior corrosion resistance and are commonly selected for electrical components, transformers, and busbars.
Copper C103 bars provide excellent fabrication properties and reliable performance in heat exchangers, industrial machinery, and engineering applications.
C11000 Electrolytic Tough Pitch (ETP) Copper Bars are among the most commonly used copper products for electrical connectors, switchgear, earthing systems, and power distribution equipment.
C12200 phosphorus-deoxidised copper bars provide excellent corrosion resistance and weldability, making them ideal for plumbing systems, refrigeration equipment, heat exchangers, and marine applications.
We supply copper round bars in both metric and imperial sizes to suit machining, fabrication, and engineering requirements.
| Standard Metric Sizes | Standard Imperial Sizes |
|---|---|
| 3 mm | 1/4" |
| 4 mm | 3/8" |
| 5 mm | 1/2" |
| 6 mm | 5/8" |
| 8 mm | 3/4" |
| 10 mm | 1" |
| 12 mm | 1¼" |
| 13 mm | 1½" |
| 16 mm | 2" |
| 20 mm | 3" |
| 22 mm | 4" |
| 24 mm | 5" |
| 25 mm | 6" |
| 27 mm | 7" |
| 30 mm | 8" |
| 32 mm | 10" |
| 35 mm | — |
| 36 mm | — |
| 38 mm | — |
| 40 mm | — |
| 60 mm | — |
Custom diameters, cut lengths, and machining services are also available according to customer drawings and project requirements.
Copper round bars exhibit excellent strength while maintaining high ductility and workability.
| Standard | Grade | Temper | Tensile Strength (MPa) | Elongation | Grain Size |
|---|---|---|---|---|---|
| ASTM B75 | C11000 | O50 | 205 | — | ≤0.040 mm |
| ASTM B75 | C11000 | O60 | 205 | — | ≤0.040 mm |
| ASTM B75 | C12200 | H58 | 250 | — | — |
| ASTM B75 | C12200 | H80 | 310 | — | — |
| EN 1057 | Copper Alloy | R220 | 220 | 40% | — |
| EN 1057 | Copper Alloy | R250 | 250 | 20–30% | — |
| EN 1057 | Copper Alloy | R290 | 290 | 3% | — |
| ASTM B88 | C11000 | O50 | 200 | — | ≤0.025 mm |
| ASTM B88 | C11000 | O60 | 200 | — | ≤0.040 mm |
| ASTM B88 | C12200 | H58 | 250 | — | — |
Copper's outstanding physical characteristics make it one of the most widely used engineering materials.
| Property | Value |
|---|---|
| Density | 8.96 g/cm³ |
| Melting Point | 1083.4°C |
| Boiling Point | 2567°C |
| Young's Modulus | 110–128 GPa |
| Specific Heat | 0.092 Cal/g/K |
| Poisson's Ratio | 0.34 |
| Heat of Fusion | 3.11 Cal/gm mole |
| Heat of Vaporization | 72.8 K-cal/gm |
To meet global project requirements, we supply copper round bars conforming to internationally recognised equivalent standards.
| BS | ISO | EN |
|---|---|---|
| C101 | Cu-Ag-3 | CW012A |
| C101 | Cu-Ag-2 | CW011A |
| CC102 | CuCr1Zr | CW106C |
| C101 | Cu-ETP | CW004A |
| C109 | Cu-TEP | CW118C |
| C103 | Cu-OF | CW008A |
| C111 | Cu-S | CW114C |
| C101 | Cu-Ag-4 | CW013A |
Copper round bars are used in industries where excellent conductivity, corrosion resistance, and machining performance are essential.
Used for switchgear, busbars, electrical connectors, transformers, conductors, and power distribution systems.
Suitable for refrigeration equipment, cooling systems, compressors, and HVAC assemblies due to excellent heat transfer characteristics.
Widely used in CNC machining, forged components, industrial tooling, precision parts, and general engineering applications.
Applied in electrical systems, connectors, battery terminals, and machined automotive components.
Used for marine electrical equipment and corrosion-resistant engineering components operating in demanding environments.
Copper round bars are increasingly utilised in solar, wind, energy storage, and electrical infrastructure projects requiring efficient conductivity.
Siddhgiri Overseas has established itself as a dependable supplier of premium-quality copper products for domestic and international customers. Every copper round bar is sourced and inspected to ensure consistent quality, dimensional accuracy, and reliable performance. We regularly supply copper round bars across India, UAE (Dubai), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, South Africa, and several other international markets for industrial, engineering, infrastructure, and manufacturing projects.
Premium quality copper alloys conforming to international ASTM, EN, and JIS standards with complete material traceability.
Ready stock of multiple grades with precision dimensional tolerances and bright polished or rough turned finishes.
Custom cutting and machining support with Mill Test Certificates (MTC) and third-party inspection available.
Secure export packaging with fast delivery schedules and worldwide export capabilities.
Competitive pricing with flexible supply arrangements to meet the budget and scheduling needs of every project.
Whether you require copper round bars for electrical equipment, machining, fabrication, marine engineering, HVAC systems, or industrial manufacturing, Siddhgiri Overseas can supply products that meet your exact technical and commercial requirements. Our experienced team assists with grade selection, customised dimensions, documentation, and timely deliveries.
Contact us today for the latest prices on Copper Round Bars. We welcome enquiries from OEMs, EPC contractors, engineering companies, electrical contractors, fabricators, distributors, and international buyers looking for reliable copper product solutions with prompt global delivery.