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Technical Specifications
Product Overview
110 Copper Square Bar is manufactured from high-purity electrolytic tough pitch (ETP) copper, offering exceptional electrical and thermal conductivity. This premium grade copper bar provides excellent corrosion resistance, formability, and machinability for demanding applications.
Key Features:
- Excellent electrical conductivity (101% IACS minimum)
- Superior thermal conductivity for heat transfer applications
- Outstanding corrosion resistance in most environments
- Excellent formability and machinability
- Antimicrobial properties for hygienic applications
Manufacturing Process: Produced through continuous casting and precision drawing/rolling processes, ensuring consistent dimensional accuracy and superior surface finish.
Applications: Electrical components, bus bars, heat exchangers, architectural applications, marine hardware, plumbing fittings, decorative elements, and precision machined components requiring high conductivity.
🧪 Chemical Composition
Element | Min % | Max % | Typical % | ASTM B152 Requirement |
---|---|---|---|---|
Copper (Cu) | 99.90 | - | 99.95 | ¡Ý 99.90 |
Oxygen (O) | - | 0.04 | 0.02 | ≤ 0.04 |
Silver (Ag) | - | 0.025 | 0.015 | ≤ 0.025 |
Phosphorus (P) | - | 0.002 | 0.001 | ≤ 0.002 |
Lead (Pb) | - | 0.005 | 0.002 | ≤ 0.005 |
Iron (Fe) | - | 0.005 | 0.002 | ≤ 0.005 |
Nickel (Ni) | - | 0.002 | 0.001 | ≤ 0.002 |
Sulfur (S) | - | 0.004 | 0.002 | ≤ 0.004 |
Zinc (Zn) | - | 0.003 | 0.001 | ≤ 0.003 |
⚙️ Mechanical Properties
Property | ASTM Requirement | Typical Value | Test Method | Temperature |
---|---|---|---|---|
Tensile Strength (Annealed) | 220 MPa min | 240 MPa | ASTM E8 | Room Temp |
Yield Strength (0.2%) | 70 MPa min | 85 MPa | ASTM E8 | Room Temp |
Elongation | 45% min | 55% | ASTM E8 | Room Temp |
Hardness (Brinell) | 45 HB max | 42 HB | ASTM E10 | Room Temp |
Hardness (Rockwell B) | 40 HRB max | 35 HRB | ASTM E18 | Room Temp |
Modulus of Elasticity | - | 110 GPa | ASTM E111 | Room Temp |
Shear Modulus | - | 48 GPa | ASTM E143 | Room Temp |
🔬 Physical Properties
Property | Value | Unit | Temperature | Test Standard |
---|---|---|---|---|
Density | 8.96 | g/cm3 | 20¡ãC | ASTM B311 |
Melting Point | 1083 | ¡ãC | - | DSC Analysis |
Thermal Conductivity | 391 | W/m·K | 20¡ãC | ASTM E1461 |
Specific Heat | 385 | J/kg·K | 20¡ãC | ASTM C351 |
Linear Expansion | 16.5 | μm/m·K | 20-300¡ãC | ASTM E228 |
Electrical Resistivity | 17.2 | nΩ·m | 20¡ãC | ASTM B193 |
Magnetic Permeability | 0.999991 | μ/μ₀ | Room Temp | ASTM A342 |
Curie Temperature | None | - | - | Diamagnetic |
📏 Product Specifications
Specification | Available Range | Standard Length | Custom Available | Tolerance |
---|---|---|---|---|
Square Size | 3mm - 150mm | Various | Yes | ±0.13mm |
Length | 0.5m - 6m | 3m | Yes | +25mm/-0mm |
Surface Finish | Mill, Polished, Brushed | Mill | Yes | Ra ≤ 1.6μm |
Straightness | Standard, Precision | Standard | Yes | ±2mm/m |
Corner Radius | Sharp, Rounded | Sharp | Yes | ±0.1mm |
Temper Condition | Annealed, H02, H04 | Annealed | Yes | ASTM standard |
Standards Compliance | ASTM B152, B124, B133 | B152 | Multiple | Full compliance |
Electrical Grade | ETP, OF, DHP | ETP | Yes | IACS standard |
Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
Packaging | Bundles, Boxes, Pallets | Bundles | Custom | Export standard |
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Our Advantages in Processing 110 Copper Square Bar

Precision Square Dimensioning
Advanced machining processes ensure exact 110mm square dimensions with tight tolerances, delivering consistent quality and perfect symmetry across every bar. This precision engineering guarantees optimal performance and reliability in professional settings.
Pure 110 Copper Construction
Manufactured using high-grade 110 copper alloy, each bar undergoes stringent quality control to maintain material purity. This ensures superior thermal conductivity, corrosion resistance, and the development of an authentic patina over time.


Premium Surface Finishing
Specialized polishing techniques create a flawless surface texture that enhances both aesthetic appeal and functional performance. Each bar undergoes multiple finishing stages to achieve the perfect balance of visual elegance and practical durability.
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