Copper Pipe

Advantages of Copper Pipe

Copper is economical
The combination of easy handling, forming and joining permits savings in installation time, material and overall costs. Long-term performance and reliability mean fewer callbacks, and that makes copper the ideal, cost-effective tubing material.

Copper is lightweight
Copper tube does not require the heavy thickness of ferrous or threaded pipe of the same internal diameter. This means copper costs less to transport, handles more easily and, when installed, takes less space.

Copper is formable
Because copper tube can be bent and formed, it is frequently possible to eliminate elbows and joints. Smooth bends permit the tube to follow contours and corners of almost any angle. With soft temper tube, particularly when used for renovation or modernization projects, much less wall and ceiling space is needed.

Copper is easy to join
Copper tube can be joined with capillary fittings. These fittings save material and make smooth, neat, strong and leak-proof joints. No extra thickness or weight is necessary to compensate for material removed by threading.

Red Copper Pipe

Copper Grade: T2 and T3. Standard:GB/T 5231-2001,GB/T 5231-2001. The copper content of T2 is＞99.90%, T3 is ＞ 99.7%. Size:OD 2-500mm, Thickness0.5-300mm, Length as customer requirements.

Add to Inquiry
Cold Drawn Brass Pipe

Cold Drawn Brass Pipe is a precision-engineered product made from brass alloys, typically composed of copper and zinc, through a cold drawing process. This method involves pulling brass through a die

Add to Inquiry
Oxygen Free Copper Pipe

Pure copper without oxygen or any residual deoxidizer. But in reality, it still contains very trace amounts of oxygen and some impurities. According to the standard regulations, the oxygen content

Add to Inquiry
Aluminum Bronze Pipe

The Nomal Aluminum Bronze Pipe we can supply as below. QAl9-2,QAl9-4,QAl10-3-1.5,QAl10-4-4,QAl10-5-5,QAl11-6-6,QAl9-5-5-1. Processing Method：Casting,extrusion,stretching,forging, heat treatment and

Add to Inquiry
TP1 TP2 Copper Pipe

TP1 and TP2 copper pipes refer to copper pipes manufactured through a phosphorus deoxidation process. Phosphorus-deoxidized copper is a high-purity copper produced by using phosphorus as a

Add to Inquiry
Beryllium Copper Pipe

C17510 beryllium copper (BeCu, UNS C17510) can be regarded as the most advanced elastic material with the best performance among copper alloys. Its chemical composition is: beryllium (Be) 0.38-0.40%,

Add to Inquiry
Inner Grooved Copper Tube

Inner Grooved Copper Tube is a type of copper tube with a regular threaded structure on the inner wall, mainly used for heat exchange equipment in air conditioning and refrigeration systems, which

Add to Inquiry

Why Choose Us

Professional team
We have modern production lines, and rigorous quality management system，as well as the strong technical team to provide customers with high-quality technical support and services.

High quality
We has rooted in the metal and mechanical processing as we working in manufacturing field for many years with rich experience，the good product quality is recognized by customers all over the world.

Quality control
We have advanced production equipment and assembly lines, professional r&d team and excellent management team，our products comply with international processes and standards from the material selection, production, quality inspection, packaging, and transportation.

24h online service
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.

Types of Copper Pipe

Type k copper pipe
Type k copper pipe has the thickest wall of all the common types. It is used for water distribution, fire protection, oil, hvac, and many other applications in the construction industry. Type k pipe is available in a rigid and flexible form and can be used with flared and compression fittings. It is recommended for main water lines and underground installations because its thickness helps it withstand the pressure from backfilled earth in trenches. Type k pipe is not approved for use in natural gas applications because the gas environment can damage the joints of the pipes.

Type l copper pipe
Type l copper pipe is used for interior plumbing, fire protection, and some hvac applications. It is available in rigid and flexible forms and can be used with sweat, compression, and flare fittings. Type l is considered the most common type of copper piping, as it can be used in many more applications than type k. Flexible type l copper can be used to repair or replace old water lines, although rigid tubing is more durable. Type l also can be used outside the home where it will be directly exposed. Type l copper is thinner than type k but thicker than type m.

Type m copper pipe
Copper pipe type m wall is thinner than both type k and l copper. Sold in both rigid and flexible forms, type m is used most commonly for domestic water service and vacuum systems. It can be used with sweat, compression, and flare fittings. Type m tubing is favored for residential work for its relatively low price; a thinner wall means less copper and thus a lower price. Type m copper is not allowed by plumbing codes in all areas and applications. Always check with the local building authority for restrictions on its use.

Copper dwv piping
Copper pipe for plumbing drains and vents was used in many old homes and has been all but replaced with pvc or abs plastic pipe in modern construction. It is suitable only for above-ground applications and has a low-pressure rating of 10 to 15 pounds per square inch (psi), much lower than the water pressure of most municipal water supply systems. Dwv pipe usually has yellow markings to distinguish it from m type copper.

The Production Process of Copper Pipe

Melting and casting
The first step in making copper pipes is melting the copper ingots in a furnace. Once the copper is melted, it is cast into large billets or bars. These billets are then cooled and cut to a suitable length for the next step.

Extrusion
The next step is extrusion, which involves feeding the copper billets through a series of dies that shape them into tubes. The dies are made of hardened steel and have different shapes and sizes to produce various types of copper pipes. The tubes are then cooled and cut to the desired length.

Drawing
After extrusion, the tubes are passed through a series of drawing machines that reduce their diameter and thickness. The drawing process involves pulling the tubes through a series of dies using a draw bench. The tubes are then annealed or heat-treated to remove any internal stress and improve their ductility.

Cleaning and finishing
Once the tubes have been drawn to the desired size, they are cleaned to remove any dirt or debris that may have accumulated during the manufacturing process. The tubes are then polished to give them a smooth and shiny finish.

Testing and inspection
Before the copper pipes are shipped to customers, they undergo several tests and inspections to ensure they meet industry standards. These tests include measuring the diameter and thickness of the pipes, checking for any defects or flaws, and conducting pressure tests to ensure they can handle high pressures.

How to Install Copper Pipe

Soldered connections
In most settings, soldered connections are still the plumber’s preferred method of fitting copper pipes. By applying pipe flux and heating the joint, solder flows between the fitting and the pipe to create a watertight seal. While this is an economical method for soldering pipes, there can be issues with using torches near framing lumber, meaning some plumbing installers might opt for solderless fittings.

Pro-set or clamp-on fittings
Pro-set fittings clamp onto the copper pipe. These fittings are pre-made, and instead of solder, they have an o-ring inside. Using a special tool, the installer can squeeze the fittings onto the pipe, creating a solid structural connection with the o-ring making it watertight. These joints are fast and strong but require a special and expensive tool to crimp them in place.

Push-on fittings
For another method of solderless connection which might be a bit more homeowner-friendly is push-on fittings. These fittings feature an o-ring and a stainless steel ring with angled teeth.

Once the installer pushes these fittings onto the pipe, the teeth bite into the copper, and the o-ring seals around the pipe to create a strong, watertight connection. These fittings are also easy to remove with an inexpensive tool. The downside of these fittings is they’re expensive and don’t provide any structural strength, requiring more hangers than a traditional fitting.

Compression fittings
Compression fittings are some of the oldest solderless connections, and they work by compressing a small brass ring between the fitting and a nut. The brass ring wedges against the pipe to create a watertight connection when the installer tightens the nut.

These fittings are more affordable than push-on or clamp-on fittings, but they can be a bit more finicky to install as the user needs to turn two wrenches at once for a perfect seal.

Solder is here to stay
Even with the invention of these solderless connections, richard believes solder isn’t going anywhere anytime soon. As the most affordable plumbing connection, plumbers will continue to rely on solder when they need to make quick connections or when they don’t have a solderless fitting on hand.

How Do You Remove Green Corrosion From Copper Pipes

Baking soda, salt, vinegar, & flour paste
To create the mixture, combine equal amounts of baking soda, salt, white vinegar, and flour until it forms a paste. Then, smear the paste over the oxidized area of the pipe. Let it sit and dry for about 30 minutes. Then, use warm soapy water to clean the paste off of the pipe, allowing the alkaline nature of the soap to neutralize the acidic vinegar. Be sure to dry off the pipe extremely well after rinsing, removing every drop of water. If you leave any moisture behind, the oxidation process will begin again, recreating the water and oxygen conditions that cause green corrosion.

Salt scrub
It is also worth noting that salt on its own is an effective method for shining up copper and stripping oxidation. If you don’t have the baking soda, white vinegar, and flour needed to create the paste, simply sprinkle salt onto a wet washcloth and scrub the green corrosion with the rag. Afterward, use a clean section of the damp washcloth to remove the excess salt before drying the pipe.

Lemon and salt
Lemon juice combined with salt can act as a natural abrasive cleaner to remove green corrosion. Simply slice a lemon in half, sprinkle salt on the cut side, and rub the corroded area. The lemon’s acidity helps dissolve the corrosion, while the salt is a cleaning abrasive. Once done, rinse with water.

Boiled potato method
While it may sound unusual, this method does work! Cut a potato in half, dip the cut side in a mild abrasive like baking soda or salt, and rub it over the green corrosion using gentle pressure. Similarly, with the lemon method above, the potato’s natural acids combined with the abrasive can help remove corrosion. Once complete, rinse thoroughly with water.

Coca-cola soak
Coca-cola’s acidity can help dissolve green corrosion from copper pipes. Pour some coca-cola into a container and submerge the corroded area of the pipe in the liquid. Leave it to soak for several hours or overnight. Scrub gently with a soft brush, then rinse thoroughly.

Selection And Applications Of Copper Pipe Diameter

The diameter of copper pipes is an important factor to consider in home design, as it directly impacts their range of applications and effectiveness. Common copper pipe diameters include 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch, each with distinct characteristics and uses.

3/8 inch and 1/2 inch copper pipes: These narrower pipes are primarily used in hot and cold water systems, as well as air conditioning systems. The smaller diameter allows for more flexibility during installation, making it easier to adapt to complex home layouts. Additionally, their metallic texture and luster add a delicate and exquisite visual effect to home decor.

3/4 inch and 1 inch copper pipes: These larger pipes are mainly used in heating systems, drainage systems, and other applications requiring higher flow rates and pressure tolerance. In situations that demand high-flow water, such as showers and bathtubs, these larger copper pipes provide better performance. Moreover, they create a visually impactful presence, exuding a solid and powerful feel in home decor.

Choosing The Right Copper Pipe Diameter

Home layout
Different areas may require different copper pipe diameters. For instance, bathrooms often require larger pipes to provide sufficient hot water flow, while kitchens may need narrower pipes to accommodate complex piping layouts.

Requirements
Choose the copper pipe diameter based on specific needs. For example, if a high-flow hot water system is desired, opting for larger pipes would be a wise choice.

Budget
Thicker copper pipes are generally more expensive than thinner ones. Therefore, budget limitations should be considered when deciding on the pipe diameter.

Aesthetics
The diameter of copper pipes also affects their visual impact in home decor. Thicker pipes create a stronger visual impact, while thinner pipes offer a more delicate and elegant aesthetic.

Our Factory

FAQ

Q: What is copper pipe used for?

A: Copper pipes are commonly used in the construction industry for water supply lines and refrigerant lines in hvac (heating, cooling, and air-conditioning) systems. Copper pipes can be manufactured as soft or rigid copper and offer excellent corrosion-resistance and reliable connections.

Q: Is copper pipe 100% copper?

A: It is manufactured from copper alloy c12200 having a chemical composition of a minimum of 99.9% copper (cu) and silver (ag) combined and a maximum allowable range of phosphorous (p) of 0.015 % - 0.040 %.

Q: Is copper pipe safe for drinking water?

A: Copper pipes with lead-free joint materials are the best choice for water pipes. They are long-lasting and won't leach chemicals into your drinking water. However, copper pipes are generally more expensive, and copper's intensive extraction and manufacturing process presents some environmental trade-offs.

Q: Is a copper pipe metal?

A: There is a long history of different materials used for pipes in homes. Today, the most common metal used for indoor plumbing is copper. Copper started to take over for other metals in the 1970s, and by the 1990s had replaced such older materials as clay, cast iron, lead, and galvanized steel.

Q: Why do plumbers use copper pipes?

A: Durable: Copper is the most dependable and most used material for plumbing tube in the developed world. Copper is beneficial in underground applications because it is highly corrosion resistant in most underground environments. Because of its superior strength it can withstand stresses without failure.

Q: Why is copper pipe so expensive?

A: What it is: Copper is sort of the gold standard in pipes. Known for its durability, it can last as long as 100 years. Copper pipes are naturally resistant to bacteria and are less likely to break down if exposed to uv rays. As a result, the cost of copper pipe per foot exceeds a lot of other piping options.

Q: How long will copper pipes last?

A: M-type piping is the thinnest residential copper piping variety, and typically lasts for 20-50 years. L-type copper pipes are of medium thickness and can last for 50-100 years. As the thickest variety of copper piping, k-type pipes can last for over 100 years.

Q: Do copper pipes get hot?

A: Copper pipe conducts heat well, so the pipes get warm during exposure to hot water and stay warm. This helps keep hot water at a consistent temperature as it travels through the house. While the initial cost of copper water pipes may be higher, its durability makes it an excellent long-term value.

Q: Should I replace copper pipes?

A: With proper installation, copper plumbing should last you at least 50 years, though it can last you upwards of 60 or 70 years if you maintain your pipes properly.

Q: Why does copper pipe get pin holes?

A: Chemical corrosion is probably the most common cause of pinhole leaks in copper pipes. This happens when water contains chemicals that eat away at the copper, causing it to deteriorate and form holes. The most common culprit is chlorine, which is added to public water supplies to kill bacteria.

Q: Why are my copper pipes turning green?

A: Copper pipes turning green is a result of oxidation due to exposure to heat and moisture. Copper is a common material and highly conductive, so it readily absorbs heat from hot water and radiates it outward.

Q: What is the white stuff on my copper pipes?

A: The white stuff (sometimes feels fibrous like cotton candy) is just efflorescence. This is from dissolved minerals in the water precipitating out as the leak drips, then dries and deposits miniscule quantities of calcium, sodium, etc on the valve body.

Q: Is copper pipe 100% copper?

Q: How long do copper pipes last?

Q: Is copper pipe cheaper than stainless steel?

A: Although press-fit copper can cost approximately 10% less than stainless steel at 15mm, research shows that the cost advantage diminishes as the pipe size increases. For instance, at 28mm, copper costs around 19% more; at 54mm, it costs 22% more; and at 108mm, it costs 24% more.

Q: What type of pipe is best for water?

A: Copper pipes are considered by many to be the standard for residential hot or cold water applications. These lightweight and durable metal pipes are available in rigid 2- and 10-foot lengths with diameters of ½ inch to 1 inch. Types of copper pipe fall into categories based on thickness of pipe wall.

Q: Is copper or pvc pipe better?

A: Containing an average lifespan of 50-70 years or more, copper piping is an excellent long-term investment. Typically lasting 25-40 years, pvc pipes have a good lifespan. However, they may be susceptible to damage from exposure to extreme temperatures and certain chemicals.

Q: Do plumbers use copper pipes anymore?

A: Copper has been the longtime standard for plumbing. It has been around a long time and we know the material is durable and reliable for water pipes. However, plastic piping (pex) works well because it is made of a flexible material.

Q: When should copper pipes be replaced?

A: With proper installation, copper plumbing should last you at least 50 years, though it can last you upwards of 60 or 70 years if you maintain your pipes properly.

Q: Are copper pipes safe for drinking water?

As one of the leading copper pipe manufacturers in China, we warmly welcome you to buy high quality copper pipe at competitive price from our factory. For more cheap products, contact us now.

TP1 TP2 Copper Pipe, Cold Drawn Brass Pipe, Oxygen Free Copper Pipe