Home > Bright Bars > Copper / Brass / Bronze Bright Bars
Inox Steel India is a reliable manufacturer, supplier, and exporter of Copper, Brass, and Bronze Bright Bars, offering precision-finished materials in Copper (Cu), Brass (CuZn), and Copper-Nickel / Bronze (CuNi) grades. We serve a wide spectrum of industries across India, GCC, Middle East, Africa, Europe, and the Americas, where conductivity, corrosion resistance, machinability, and dimensional accuracy are critical requirements.
Our non-ferrous bright bars are produced using advanced cold drawing, peel turning, polishing, and centerless grinding processes, ensuring smooth surface finish, tight tolerances, and consistent mechanical properties. These characteristics make them ideal for precision machining, marine service, electrical systems, and heat transfer applications.
Copper, Brass, and Bronze Bright Bars are cold-finished non-ferrous metal bars manufactured from high-purity copper and copper-based alloys. They are specifically designed to provide excellent thermal and electrical conductivity, corrosion resistance, and reliable machining performance.
Manufacturing Process Flow:
1️⃣ Alloy Selection – Pure Copper (Cu), Brass (CuZn), and Copper-Nickel / Bronze (CuNi) billets
2️⃣ Hot Working / Extrusion – Primary bar formation
3️⃣ Cold Drawing / Peeling – Improves straightness and dimensional accuracy
4️⃣ Annealing / Stress Relief – Optimizes ductility and machinability
5️⃣ Polishing / Centerless Grinding – Achieves superior surface finish
6️⃣ Final Inspection & Testing – Chemical, mechanical, and dimensional checks
This controlled process ensures bright bars that deliver consistent performance, minimal machining losses, and long service life, even in aggressive environments.
Key Advantages of Copper / Brass / Bronze Bright Bars
✔ Excellent electrical and thermal conductivity (Copper grades)
✔ High corrosion resistance, including seawater resistance (CuNi / Bronze)
✔ Superior machinability and surface finish (Brass grades)
✔ Tight dimensional tolerances (h8 / h9 / h10)
✔ Smooth surface for precision components
✔ Full traceability with certified test documentation
COPPER / BRASS / BRONZE BRIGHT BARS – MASTER TECHNICAL DATA SHEET
Grades: Copper (Cu) | Brass (CuZn) | Copper-Nickel (CuNi / Bronze Family)
| Parameter / Property | Copper Bright Bar (Cu) | Brass Bright Bar (CuZn) | Copper-Nickel / Bronze Bright Bar (CuNi) |
|---|---|---|---|
| Material Type | Pure Copper | Copper-Zinc Alloy (Brass) | Copper-Nickel Alloy (Bronze Family) |
| Common Grades | C101 / C102 / C110 | CuZn30 / CuZn37 | CuNi 90/10 / CuNi 70/30 |
| UNS Designation | C10100 / C10200 / C11000 | C26000 / C27000 | C70600 / C71500 |
| ASTM Standard | ASTM B187 / B152 | ASTM B16 / B453 | ASTM B151 / B164 |
| EN Equivalent | EN CW004A / CW024A | EN CW505L / CW508L | EN CW352H / CW354H |
| DIN Equivalent | E-Cu57 / Cu-ETP | CuZn30 / CuZn37 | CuNi10Fe1Mn / CuNi30Mn1Fe |
| Manufacturing Process | Cold Drawn / Peeled / Polished / Centerless Ground | Cold Drawn / Peeled / Polished / Centerless Ground | Cold Drawn / Peeled / Polished / Centerless Ground |
| Available Forms | Round, Square, Hex, Flat Bright Bars | Round, Square, Hex, Flat Bright Bars | Round, Square, Hex, Flat Bright Bars |
| Diameter Range (Round) | 5 – 150 mm | 5 – 150 mm | 5 – 150 mm |
| Square / Hex Size | 6 – 100 mm | 6 – 100 mm | 6 – 100 mm |
| Standard Length | 3 – 6 meters | 3 – 6 meters | 3 – 6 meters |
| Custom Cut Lengths | As per drawing / requirement | As per drawing / requirement | As per drawing / requirement |
| Tolerance | h8 / h9 / h10 | h8 / h9 / h10 | h8 / h9 / h10 |
| Supply Condition | Annealed / Hard Drawn | Annealed / Hard Drawn | Annealed |
| Tensile Strength (MPa) | 210 – 250 | 300 – 500 | 360 – 550 |
| Yield Strength (MPa) | ≥ 70 | ≥ 150 | ≥ 120 |
| Elongation (%) | ≥ 35 | 20 – 40 | ≥ 30 |
| Hardness (HB) | 40 – 80 | 80 – 150 | 90 – 140 |
| Thermal Conductivity | Excellent | Good | Moderate |
| Electrical Conductivity | Very High | Moderate | Moderate |
| Corrosion Resistance | Excellent | Good (Atmospheric) | Excellent (Seawater) |
| Machinability | Good | Excellent | Good |
| Weldability | Excellent | Good | Excellent |
| Surface Finish | Bright Cold Drawn / Polished / Centerless Ground | Bright Cold Drawn / Polished / Centerless Ground | Bright Cold Drawn / Polished / Centerless Ground |
| Testing Performed | Chemical, Mechanical, Dimensional | Chemical, Mechanical, Dimensional | Chemical, Mechanical, Dimensional |
| Certification | EN 10204 3.1 / 3.2 | EN 10204 3.1 / 3.2 | EN 10204 3.1 / 3.2 |
| HSN / HS Code | 7407 | 7407 | 7407 |
| Typical Applications | Electrical, Heat Exchangers, Bus Bars | Valves, Fittings, Fasteners | Marine, Heat Exchangers, Condensers |
| Packaging | HDPE Wrap / Wooden Pallets / Export Seaworthy | HDPE Wrap / Wooden Pallets / Export Seaworthy | HDPE Wrap / Wooden Pallets / Export Seaworthy |
All materials are supplied with EN 10204 3.1 / 3.2 certification, ensuring compliance with international standards and material traceability.
Copper, Brass, and Bronze Bright Bars supplied by Inox Steel India are widely used in electrical, marine, mechanical, and heat-transfer applications, where non-ferrous properties such as conductivity, corrosion resistance, and machinability are essential. Selection depends on operating environment, conductivity needs, and mechanical loading.
Material-Wise Application Breakdown
INOX Steel India supplies non-ferrous bright bars in a wide range of standard and custom sizes to suit OEMs and EPC requirements.
Precision sizing ensures reduced machining waste, improved fitment, and consistent performance.
Surface Finish & Machining Performance
Machining Benefits:
✔ Excellent chip formation (especially Brass)
✔ Reduced tool wear
✔ Superior surface finish after turning
✔ Stable machining in annealed condition
Indicative Copper / Brass / Bronze Bright Bar Price (INR & USD)
| Material | Approx. Price (INR / kg – Ex-Mumbai) | Approx. Price (USD / kg – FOB India) |
|---|---|---|
| Copper (Cu) | ₹ 750 – ₹ 1,050 | $ 9.00 – $ 12.65 |
| Brass (CuZn) | ₹ 520 – ₹ 720 | $ 6.25 – $ 8.65 |
| Copper-Nickel / Bronze (CuNi) | ₹ 950 – ₹ 1,350 | $ 11.40 – $ 16.25 |
Prices are indicative and depend on grade, size, finish, and quantity.
HSN / HS Code
Testing & Quality Assurance
All copper, brass, and bronze bright bars supplied by Inox Steel India undergo strict quality checks:
Supplies are delivered with EN 10204 3.1 / 3.2 Mill Test Certificates ensuring full traceability.
Inox Steel India is a dependable manufacturer, supplier, and exporter of Copper, Brass, and Bronze Bright Bars, delivering precision-finished non-ferrous materials for electrical, marine, mechanical, and heat-transfer applications. Our Cu, CuZn, and CuNi bright bars are trusted for their conductivity, corrosion resistance, machinability, and dimensional consistency.
Our Key Strengths:
✅ Manufacturer & bulk stockholder
✅ Materials: Copper (Cu), Brass (CuZn), Copper-Nickel / Bronze (CuNi)
✅ Precision finishes: Cold drawn, polished, centerless ground
✅ Tight tolerances: h8 / h9 / h10
✅ Annealed / hard-drawn supply options
✅ EN 10204 3.1 / 3.2 certification
✅ Competitive INR & USD pricing
✅ Export-ready packing & documentation
Industries & Applications We Serve
| Industry | Typical Components | Preferred Material |
|---|---|---|
| Electrical & Power | Bus bars, earthing rods, connectors | Copper (Cu) |
| Plumbing & Valves | Fittings, fasteners, valve parts | Brass (CuZn) |
| Marine & Offshore | Shafts, seawater fittings | CuNi / Bronze |
| Heat Exchangers | Rods, condenser components | Copper / CuNi |
| General Engineering | Precision machined parts | Brass / Bronze |
Each application is supported with material selection guidance, finish options, and certification compliance.
Export Readiness & Packaging
All copper, brass, and bronze bright bars are packed to meet international export standards:
Export Destinations:
UAE · Saudi Arabia · Oman · Qatar · Nigeria · South Africa · Germany · Italy · UK · USA · Brazil
Ports of Dispatch:
JNPT (Mumbai) · Mundra · Hazira
Brass bright bars offer superior machinability and good corrosion resistance, ideal for valves and fittings.
Yes, copper-nickel and bronze bright bars have excellent resistance to seawater corrosion.
The standard HSN code is 7407.
Yes, custom cut lengths are supplied as per drawing and machining allowance.
Yes, Inox Steel India exports copper, brass, and bronze bright bars globally with full certification.