What color is pure copper?
Copper is one of a few metallic elements with a natural color other than gray or silver. Pure copper is orange-red and acquires a reddish tarnish when exposed to air.
What is the strongest copper tubing?
Type K Copper Pipe:
Type K has the thickest wall and holds up well under pressure. It works best for underground water service and main lines. It comes in hard and soft forms.
What does cu mean in plumbing?
Copper. One of the basic elements (Cu), copper is used for plumbing piping, and is one of the alloys used to make brass, a key material in the manufacture of faucets and fittings.
Which is stronger, a pipe or a tube?
Tubes are stronger than pipes. Tubes perform better in applications that require durability and strength.
What's the difference between blue copper and red copper?
The Most Common Types Of Copper Pipes
To simplify, the letter codes we just mentioned also relate to the colour code of the printing on the side of the pipes. For example, Type M copper pipe is red and called red pipe. On the other hand, Type L copper pipe is blue and is referred to as blue pipes.
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
