Is red copper a pure copper?
Pure copper, often referred to as red copper, is a type of copper with a purity of 99% or higher. It has a characteristic reddish-pink color and is favored for applications requiring excellent electrical and thermal conductivity.
What grade is red copper?
The main grades of red copper are: T1, T2, T3.
Additionally, international standards include grades like C11000. The copper content of C11000 is also high, generally requiring copper + silver content to be ≥99.90%.
Which copper is the most expensive?
Bare bright copper. The most valuable type of copper wire, bare bright must meet several criteria, including 99% pure copper composition, a minimum of 16 gauge, and a lack of insulating materials. The color is bright, shiny, and light orange.




What are the three types of copper tubing?
The thickness of the copper pipe also determines its price, pressure rating, and durability, among other things. Type K, L, and M are most commonly used to distribute water, while the DWV copper pipe is mostly used for waste management.
What is red copper used for?
Red copper is composed of elements with high conductivity and thermal conductivity. In its purest form, it is soft and malleable. For thousands of years, it has been used as building elements and building materials of other alloys.
About us
GNEE is a leading international trader and supplier specializing in a comprehensive range of high-quality copper and copper alloy products. We serve a global clientele across various industries, including HVAC/R, automotive, electronics, construction, and industrial manufacturing.
Our Extensive Product Portfolio
We boast a vast inventory and robust supply chain for virtually all forms of copper products. Our expertise covers:
Copper Seamless Tube / Capillary Copper Tube
Copper Welded Tube / Copper Air Conditioning Tube
Copper Refrigeration Tube / Copper Water Tube
Deoxidized Copper Tube / Copper Coil Tube
Copper Sheets & Plates&Strips:
Copper Strip / Copper Thin Strip
Copper Heavy Duty Strip / Precision Copper Strip
Copper Foil Sheet / Copper Thin Sheet
Copper Thick Plate / Copper Chequered Plate
Copper Shim Stock / Copper Busbar
Copper Round Bar / Copper Square Bar
Copper Hexagon Bar / Copper Flat Bar
Copper Alloy Rod / C11000 Electrolytic Tough Pitch (ETP) Copper Rod
Copper Wire / Bare Copper Wire
Copper Alloy Wire / Oxygen-Free Copper Wire
Copper Profiles / Copper Fittings
Material Grades & International Standards
We provide materials that conform to major international standards to ensure performance, reliability, and global acceptance. Commonly supplied grades and standards include:
Common Grades:
Pure Copper: C10100 (Oxygen-Free Electronic Copper), C10200 (Oxygen-Free Copper), C11000 (Electrolytic Tough Pitch - ETP Copper)
Copper Alloys:
Brass: C26000 (Cartridge Brass), C27200 (Brass), C36000 (Free-Cutting Brass), C38500 (Architectural Bronze)
Phosphor Bronze: C51000
Aluminum Bronze: C60800
Copper-Nickel: C70600 (CuNi 90/10)
Admiralty Brass: C44300
ASTM Standards:
B68 / B68M: Seamless Copper Tube
B75 / B75M: Seamless Copper Pipe
B111 / B111M: Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
B152 / B152M: Copper Sheet, Strip, Plate, and Rolled Bar
B187 / B187M: Copper Bus Bar, Rod, and Shapes
B301: Free-Cutting Brass Rod




