Shree Copper And Electricals

Copper flat busbars are essential electrical conductors used for efficient power distribution in various industrial applications like switchgear, panel boards, and transformers. Made from high-purity copper, they offer superior electrical and thermal conductivity compared to alternatives like aluminum.


Key Characteristics & Benefits

• High Electrical Conductivity: Copper's superior conductivity (around 100% IACS in soft condition) allows power transmission with minimal energy loss and voltage drop.
• Mechanical Strength & Durability: The material's inherent strength, ductility, and resistance to corrosion and electro-thermal fatigue ensure a longer lifespan and reliable performance, even under demanding conditions.
• Space-Saving Design: Due to higher conductivity, copper busbars can carry the same current as larger aluminum busbars, allowing for more compact and efficient system designs.
• Versatility: They are available in a variety of sizes, shapes (e.g., sharp, corner, or full radius edges), and tempers (soft, half-hard, hard), and can be customized with coatings like tin or silver to enhance performance in specific environments.
• Reliable Connections: The stable conductive oxide film on copper (unlike aluminum's non-conductive film) ensures reliable, low-resistance electrical joints, minimizing the risk of failure at connection points. 

Common Applications

• Power Distribution Systems: Primary use in switchgear, panel boards, and busway enclosures.
• Renewable Energy: Used in solar panels and wind turbines to efficiently transfer energy to the grid.
• Automotive & Marine: Employed in electrical systems, batteries, and cooling units.
• Substations & Electrical Switchyards: Connects various high-voltage equipment like transformers and circuit breakers.

Additional Information:

• Production Capacity: 10000
• Delivery Time: Ready stock
• Packaging Details: ctn

A copper bar is a solid piece of copper, often rectangular or square, valued for its high electrical/thermal conductivity, strength, and corrosion resistance, used in electrical systems (busbars), machinery (pumps, valves), construction, and as bullion for investment, available in various purities (like 99.9%) and sizes.
Key Characteristics

• Purity: Available in various purities, commonly 99.9% or 99.99% pure copper (ETP grade).
• Shapes & Sizes: Comes in flat, square, hexagonal, and round rods, with dimensions varying widely (e.g., 10mm diameter to large 100mm sides).
• Properties: Excellent electrical & thermal conductor, ductile, malleable, and corrosion-resistant.

Common Uses

• Electrical: Busbars, conductors, wiring, and components in power distribution.
• Industrial: Machinery parts, pumps, valves, fittings, and heat exchangers.
• Construction: Plumbing, roofing, and architectural elements.
• Investment: Pure copper bars (e.g., 1kg) serve as tangible assets for wealth preservation, similar to gold or silver bullion.
• Hobby/Craft: Used by science enthusiasts, collectors, and for unique paperweights.

Additional Information:

• Production Capacity: 100000
• Delivery Time: Ready Stock
• Packaging Details: Ctn

Copper square bars are solid copper products with a square cross-section, primarily valued for their unparalleled electrical and thermal conductivity. Typically manufactured from high-purity copper, these bars are essential components in electrical distribution, power transmission, and industrial machinery.

Key Technical Properties

• Conductivity: Pure copper square bars offer electrical conductivity of approximately 58 MS/m (100% IACS). Annealed variants can exceed 99.95% IACS, while half-hard tempers typically maintain above 97%.
• Material Grades:
  • C11000 (ETP): Electrolytic Tough Pitch copper (99.90% min purity) is the most common grade for general purpose and electrical bus bars due to its balance of cost and performance.
  • C10100 (OFE): Oxygen-Free Electronic copper (99.99% min purity) is used for ultra-high vacuum and high-frequency applications to prevent hydrogen embrittlement.
• Mechanical Strength: Tensile strength ranges from 210 to 370 MPa, with yield strength between 70 and 220 MPa depending on the temper. Hardened tempers (H04) are significantly stronger than soft annealed (O60) versions.
• Durability: Copper naturally resists corrosion by forming a protective oxide layer, making it suitable for marine environments and outdoor architectural use.

Common Applications

• Electrical Engineering: Used extensively for bus bars, switchgear, transformers, grounding systems, and control panels.
• Mechanical & Industrial: Employed in heat exchangers due to high thermal conductivity, as well as in pumps, valves, and fasteners.
• Modern Technology: Critical in Renewable Energy (solar panels, wind turbines) and Electric Vehicles (battery wiring and charging stations).
• Architectural & Decorative: Selected for roofing, cladding, and ornamental designs due to its aesthetic appeal and the natural patina it develops over time. 

• Standard Specifications: Most industrial bars are produced to meet ASTM B187 (for bus bars and general purposes), ASTM B124, and IS 613.
• Typical Sizes:
  • Width/Side Length: Commonly available from 1/8 inch (4mm) up to 6 inches (150mm).
  • Length: Standard lengths are usually 12 feet (3.66 meters), but can be supplied in custom lengths up to 6 meters. 

Additional Information:

• Production Capacity: 100000
• Delivery Time: Ready stock
• Packaging Details: ctn

A 1 kg copper square bar is a solid metal block typically crafted from 99.9% (999 fine) pure copper, weighing exactly 1,000 grams. These bars serve two primary markets: investment-grade bullion for collectors and high-conductivity raw material for industrial applications. 

Purity: Most bars are certified at 99.9% purity (Electrolytic Tough Pitch or ETP grade)

A 99.9% pure copper bar, also known as .999 fine copper or EC Grade (Electrolytic Copper), is a solid piece of commercially pure copper known for its exceptional electrical and thermal conductivity, durability, and corrosion resistance. 


Key Features and Properties

• Purity: The ".999 fine" designation signifies that the bar contains 99.9% pure copper by mass, with only 0.1% impurities. This high standard is essential for performance in precision industries.
• Grade: It is typically categorized as EC Grade (Electrolytic Copper) or ETP (Electrolytic Tough Pitch) Copper, meeting strict industrial standards like C110.
• Physical Properties:
  • Excellent Conductor: It is a superior conductor of both electricity and heat.
  • Ductile and Malleable: The metal is highly formable, allowing it to be easily shaped, drawn into wire, or hammered into sheets without breaking.
  • Corrosion Resistant: It offers good resistance to corrosion from water, air, and various alkalis.

Primary Applications

• Electrical Systems: Essential for power transmission and distribution, including use in busbars, switchgear, transformers, and wiring, where its high conductivity minimizes energy loss.
• Industrial Manufacturing: Used to produce electrical components like connectors, terminals, and heat exchangers in HVAC systems, machinery parts, pumps, and valves.
• Investment and Collection: The bars serve as a tangible asset for investors looking to diversify their portfolios and hedge against inflation, similar to gold or silver bullion. They are also popular with metal enthusiasts and collectors.
• Renewable Energy: Crucial for efficient power transfer in solar panels, wind turbines, and the growing electric vehicle (EV) industry, which demands significant amounts of copper for components.
• Hobby/Craft and Vastu: Used for DIY projects, educational purposes, and in accordance with Vastu Shastra principles to attract positive energy.

Due to its superior qualities, 99.9% pure copper is used in a wide range of applications.

Additional Information:

• Production Capacity: 100000
• Delivery Time: Ready stock
• Packaging Details: ctn