The Best Places to Buy Steel Pipes Online and In-Store

Author: Jessica

Jan. 13, 2025

Construction & Real Estate

Steel Pipe for Sale

Mild Steel

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Stainless Steel

Characteristics of Metal Pipes

Metal Pipes are valued in various industries for their unique characteristics, which make them suitable for a wide range of applications. When selecting a metal pipe, it's crucial to consider these attributes in conjunction with the specific needs of the project to ensure optimal performance and longevity:

Strength and Durability ' Steel pipes are especially known for their exceptional strength and durability. They can withstand high pressure, heavy loads, and mechanical stress, making them suitable for applications where structural integrity is critical.

Corrosion Resistance ' Many types of metal pipes, such as stainless steel, copper, and aluminum pipes, offer excellent resistance to corrosion. This characteristic is essential, particularly when pipes are exposed to moisture, chemicals, or harsh environmental conditions.

Temperature and Pressure Resistance ' Metal pipes can handle a wide range of temperatures, from extreme cold to high heat. This makes them suitable for applications involving hot or cold fluids, such as HVAC systems or industrial processes. Hot Rolled ASTM A106 seamless pressure pipe, is commonly used where the piping must transport fluids and gasses that exhibit higher temperatures and pressure levels. This product is typically used in the construction of oil and gas refineries, power plants, petrochemical plants and in shipbuilding. Hot Rolled ASTM A53 is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines. Both ASTM A53 and A106 are produced to carry pressurized steam, water, and/or gas. Due to this, the manufacturer must hydrostatically test their product, ensuring it can withstand pressure. Hot Rolled Pipe ASTM A500 is the standard specification for cold-formed, welded and seamless carbon steel structural tubing. It is intended for use in construction and structural applications. Unlike the A53 and A106 grades, this product is not pressure tested.

Weight and Density ' The weight and density of aluminum and steel pipes can vary depending on the type of metal used. Aluminum pipes are lightweight, while steel pipes are denser. The choice of metal should consider the application's specific requirements, such as weight constraints.

Conductivity Properties ' Some metal pipes, like copper and aluminum, are excellent conductors of heat and electricity. This property is advantageous in applications requiring efficient heat transfer or electrical conductivity, such as electrical conduits and heat exchangers.

How Steel Pipe is Measured

All metal pipes are measured by their nominal inside diameter and wall thickness, which is based on a schedule number. The higher the schedule number, the thicker the wall. The most common schedules that Metal Supermarkets stock are Schedule 40 and Schedule 80. Schedule 80 pipes, being thicker, are suited for applications requiring higher pressure resistance or structural integrity.

View our pipe schedule chart to learn more about metal pipe measurements and easily convert common sizes.

Metal Pipes vs. Metal Tubes

While the terms 'metal pipes' and 'metal tubes' are often used interchangeably in casual conversation, they refer to two distinct types of materials with their own sets of uses, measurement standards, and manufacturing processes:

Metal pipes are designed for transporting liquids, gases, and occasionally solids suspended in a liquid. Due to this, they need to be strong enough to handle the internal pressures of their contents and are thus selected based on their ID and the material's pressure rating. They are measured by their nominal inside diameter (ID) and wall thickness, which is determined by the schedule number.

The manufacturing process for pipes involves methods that allow for the efficient production of large-diameter pipes, focusing on their ability to withstand internal pressures and flow characteristics. They might be manufactured with materials optimized for fluid transport, considering factors like corrosion resistance to various substances, internal erosion, and pressure resistance.

Metal tubes are often utilized in structural applications, requiring a higher level of precision regarding their OD for fitting into specific spaces or assemblies. Tubes can also be used in medical devices, furniture making, and automotive structures, where strength and precision are paramount.

They are measured by their outside diameter (OD) and wall thickness. This method caters to structural applications where external dimensions and precise fits are critical, such as in the aerospace, automotive, and construction industries.

Tubes require a more precise manufacturing process that allows for tighter tolerances on diameter and wall thickness. They are often made from materials that can withstand bending, torsion, and other stresses without compromising their integrity or shape.

Learn what makes metal pipes different from tubes.

Types of Metal Pipes

Selecting the right type of metal pipe is crucial, as it directly influences the success and efficiency of various applications. Pipe is available in the following metal types:

Aluminum ' An aluminum pipe is a tubular structure made primarily from aluminum, a lightweight and corrosion-resistant metal. Aluminum pipes are widely used in various industries and applications because of their favourable properties. They are known for their durability, low density, and excellent corrosion resistance, making them suitable for indoor and outdoor use.

Aluminum pipes are often used to transport fluids and gases, such as in the automotive and aerospace industries. Their lightweight nature contributes to fuel efficiency and overall vehicle weight reduction. Additionally, aluminum pipes are commonly used in HVAC (heating, ventilation, and air conditioning) systems and in constructing structures where strength and corrosion resistance are needed.

Mild Steel ' Mild steel pipe is made from low-carbon steel and is commonly used in various applications due to its affordability, ease of fabrication, and versatility. Mild steel pipes are known for their strength and durability and are often used in structural applications such as construction, providing support and stability to buildings, bridges, and other infrastructure. These steel pipes can withstand heavy loads and are well-suited for projects where structural integrity is crucial.

Stainless Steel ' Stainless steel pipe is made from a corrosion-resistant alloy that contains iron, chromium, and other elements. Stainless steel pipes are renowned for their exceptional corrosion resistance, making them highly suitable for various applications, especially in environments where rust or corrosion would be a concern. Stainless steel pipes are widely used in industries requiring durability, hygiene, and corrosion resistance.

Applications for Metal Pipes

Metal pipes play a fundamental role in numerous industries and applications due to their diverse properties, including strength, durability, and resistance to corrosion. Here are some of the most common applications of metal pipes:

Plumbing and Water Supply ' Copper and galvanized steel pipes are widely used in plumbing systems to transport potable water to homes, buildings, and industrial facilities.

HVAC (Heating, Ventilation, and Air Conditioning) ' HVAC systems utilize various metal pipes, including steel and aluminum, for ductwork and the distribution of heating and cooling fluids.

Industrial and Chemical Processing ' Metal pipes, such as stainless steel pipes and carbon steel pipes, are essential for conveying chemicals, gases, and liquids in industrial processes, including petrochemical, pharmaceutical, and food manufacturing.

Oil and Gas Transportation ' Steel pipes, particularly those coated with protective layers, transport oil, natural gas, and other hydrocarbons over long distances in pipelines.

Structural and Construction ' Steel pipes are commonly employed for structural purposes, including the framework of buildings, bridges, and other infrastructure.

Automotive and Aerospace ' Aluminum pipes are used in the automotive industry for components like air intake systems, while aerospace applications rely on lightweight metal pipes for aircraft structures.

Marine and Shipbuilding ' Bronze and stainless steel pipes are favored in marine environments due to their corrosion resistance, making them ideal for shipbuilding and offshore applications.

Water Treatment and Distribution ' Ductile iron pipes are frequently used in water treatment plants and water distribution systems because of their strength and durability.

Electrical Conduits ' Copper and aluminum pipes are utilized as electrical conduits to protect and route electrical wiring and cables in buildings and infrastructure.

Agricultural and Irrigation Systems ' PVC and steel pipes are commonly used for irrigation, drainage, and fluid transport in agricultural settings.

Mining and Ore Transport ' Steel pipes are employed in mining operations to transport ores, minerals, and slurries from extraction sites to processing facilities.

Geothermal Heating Systems ' Copper and stainless steel pipes are used in geothermal heating systems to circulate heat from the earth to heat buildings.

Fire Sprinkler Systems ' Steel pipes are a critical component of fire sprinkler systems, providing water distribution for fire suppression.

Process Piping in Refineries ' In oil refineries, metal pipes are used for process piping to transport various fluids and chemicals during refining processes.

DIY Applications for Steel Pipe

Metal pipes offer a wide range of DIY applications that are easy to incorporate. Here are several creative and practical ways to use metal pipes in your DIY projects:

  • Metal pipes can serve as the frame for custom shelving, providing a trendy and sturdy industrial look.
  • Use pipes for the legs and frame of a desk or table, adding a unique, industrial aesthetic to your workspace or dining area.
  • A freestanding clothes rack made from steel pipes is functional and adds an industrial-chic element to your bedroom or laundry room.
  • Metal pipes can be fashioned into trellises for climbing plants, offering a sturdy structure that withstands the elements.
  • Build a small, durable frame for a greenhouse using metal pipes, perfect for protecting your plants in cooler climates.
  • Create durable, weather-resistant outdoor furniture frames with metal pipes.
  • Metal pipes can be used as curtain rods for a sturdy, industrial look that can support heavier drapes.
  • Small sections of metal pipes can be used as bookends or shelf supports, adding an industrial touch to your bookshelves.
  • Hang pots and pans from a metal pipe rack to save kitchen space and add a professional flair.
  • Install a steel pipe securely between two walls to create a pull-up bar for your home gym.

Fabrication and Joining Methods for Metal Pipes

Metal pipes are crucial components in a wide range of applications, and their fabrication and joining methods are essential to ensure structural integrity and leak-free operation. Here are some common fabrication and joining methods used for metal pipes:

Welding ' Welding is one of the most common methods for joining metal pipes. Different welding techniques, such as arc welding, TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and oxy-acetylene welding, are used based on the type of metal and application. Welded joints are typically strong and durable, maintaining the pipe's integrity. They are commonly used in critical applications like structural support and high-pressure systems. Proper welding procedures, including preparation, heat control, and post-weld inspection, are essential to ensure the quality of welded pipe joints.

Threaded Connections ' Many metal pipes, especially steel pipes, are manufactured with threaded ends, allowing them to be easily screwed into fittings or other pipes. Threaded connections are simple to assemble and disassemble, making them suitable for applications requiring periodic maintenance. They often require sealing with thread tape or pipe dope to prevent

Flanges and Flared Joints ' Flanges are flat, round plates with holes that allow two pipes to be bolted together and are common in industrial piping systems. Flared joints involve forming a flared end on a pipe, which is connected to another pipe or fitting by compressing them together. These connections provide a secure, leak-proof joint often used in high-pressure and high-temperature applications. They are commonly found in pipelines, chemical processing, and oil refineries.

Compression Fittings ' Compression fittings consist of two components: a compression nut and a ferrule. They are used to connect metal pipes without soldering or welding. Compression fittings are easy to install and provide a reliable, leak-free connection. They are often used in plumbing systems and gas lines.

Are you interested in learning more about Steel Pipes? Contact us today to secure an expert consultation!

Soldering ' Copper pipes are frequently joined using soldering, where a heated solder is applied to the joint to create a secure connection. Soldered joints are reliable, especially in potable water systems, but proper cleaning and preparation of the pipe surface and correct soldering techniques are crucial for effective soldered joints.

Maintenance and Corrosion Protection for Metal Pipes

Ensuring the longevity and reliable performance of metal pipes requires diligent maintenance and effective corrosion protection measures. Whether in plumbing systems, industrial applications, or structural components, the following practices are essential to safeguard metal pipes against corrosion and damage:

Regular Inspection ' Periodic visual inspections are crucial to identify early signs of corrosion, leaks, or damage. Inspect metal pipe surfaces, joints, and fittings for rust, discoloration, or pitting.

Cleaning and Debris Removal ' Keeping metal pipe surfaces clean and free from debris, sediment, or mineral deposits helps prevent corrosion. Regular cleaning can be critical in water supply systems.

Protective Coatings ' Protective coatings, such as paints, epoxy coatings, or anti-corrosion treatments, can provide an effective barrier against moisture and environmental exposure. Choose coatings suitable for the specific metal and application.

Cathodic Protection ' Cathodic protection is a technique used to prevent corrosion by making the metal pipe the cathode in a corrosion cell. Sacrificial anodes or impressed current systems are commonly employed methods for cathodic protection.

Corrosion Inhibitors ' Corrosion inhibitors are chemicals that can be added to the fluid inside the pipe to reduce or mitigate the corrosive effects of the environment. They are commonly used in industrial applications.

Proper Drainage ' Ensuring that metal pipes are installed to allow proper drainage and prevent the accumulation of stagnant water or moisture can help reduce the risk of corrosion.

Insulation ' In applications with significant temperature variations, proper insulation can help prevent condensation and temperature-induced corrosion.

Repair and Maintenance Schedule ' Establish a routine maintenance schedule for addressing minor issues promptly. This includes repairing or replacing damaged sections, sealing leaks, and addressing coating damage.

Corrosion Testing ' Periodic corrosion testing, such as ultrasonic thickness measurements or electromagnetic inspection, can assess the thickness and integrity of the pipe wall and identify potential corrosion issues.

Cathodic Protection Testing ' If cathodic protection systems are in place, regular testing and monitoring of the protection level are necessary to ensure its effectiveness.

Environmental Control ' In some cases, controlling the environment around the aluminum and steel pipes through humidity control or proper ventilation can help reduce corrosion rates.

Compliance with Standards ' Adherence to industry and safety standards for corrosion protection and maintenance practices is essential to ensure the reliability and safety of metal pipes in various applications.

Environmental Considerations

The environmental impact of metal pipes encompasses aspects of their production, use, and disposal and is essential for responsible and sustainable decision-making in various industries and applications. Here are critical environmental factors to consider:

Sustainability and Resource Management ' The extraction and processing of raw materials for metal pipes can have environmental implications. Sustainable sourcing practices and responsible mining methods are essential to minimize ecological impact. Metal pipes, especially steel pipes, aluminum pipes, and copper pipes, are highly recyclable, reducing the demand for new resources and energy-intensive production processes.

Energy Consumption ' The energy-intensive nature of manufacturing metal pipes, especially steel pipes, can contribute to greenhouse gas emissions. Adopting energy-efficient production methods and renewable energy sources can mitigate this impact.

Corrosion Protection ' If not appropriately managed, applying protective coatings or chemicals to prevent corrosion can have environmental consequences. Choose coatings with minimal environmental impact and ensure safe disposal of chemicals.

Water and Soil Quality ' Corrosion of metal pipes can lead to the release of metals into water sources, potentially affecting water quality and aquatic ecosystems. Proper corrosion protection measures are essential to prevent this.

End-of-Life Disposal ' The disposal of metal pipes at the end of their life cycle can have environmental implications. Prioritizing recycling over disposal reduces the burden on landfills and conserves resources. When disposal is necessary, proper handling and disposal practices must be followed to prevent soil and groundwater contamination.

Emissions and Air Quality ' Emissions associated with producing and fabricating metal pipes, including air pollutants and particulate matter, can impact local air quality. Implementing pollution control measures and optimizing processes can help reduce emissions.

Hazardous Substances ' Some metal alloys, such as lead or cadmium, may contain hazardous substances. Understanding the composition of metal pipes is crucial to assessing potential health and environmental risks.

Recycling and Circular Economy ' Encouraging the recycling and reuse of metal pipes aligns with the principles of the circular economy, reducing the need for virgin materials and minimizing waste generation.

Local Regulations and Compliance ' Adherence to local and national environmental regulations is essential to ensure that the production, use, and disposal of metal pipes are environmentally responsible.

Sustainable Practices ' Many industries are adopting sustainable practices, such as eco-friendly coatings, responsible sourcing, and energy-efficient production, to minimize the environmental impact of metal pipes.

Whether you're in the market for a durable metal pipe, a versatile steel pipe, or specifically looking for steel pipe for sale, you've come to the right place. Our extensive selection caters to a wide range of applications, ensuring you find exactly what you need for your project. Visit Metal Supermarkets to explore our vast inventory of steel pipe for sale and get your metal pipe cut to your specifications. Let us help you find the perfect solution for your project needs.

FAQs About Metal Pipe

What are metal pipes, and how are they made?

Metal pipes are cylindrical tubes made from various metals, such as steel, stainless steel, aluminum, copper, brass, and more. They are manufactured through processes like extrusion, welding, or seamless rolling, depending on the type of metal and intended application. These pipes come in different sizes, shapes, and alloys, each designed for specific uses.

Why choose metal pipes over other materials?

Metal pipes are preferred over materials like plastic or ceramic due to their superior strength, durability, and suitability for high-pressure and high-temperature applications. They are also favoured for their corrosion resistance, making them ideal for various industries.

How do I choose the right type of metal pipe for my project?

Selecting the right metal pipe depends on various factors, including the application's requirements, environmental conditions, temperature, and pressure. When choosing the appropriate metal pipe, consider factors such as strength, corrosion resistance, weight, and conductivity.

Can metal pipes be used in plumbing systems for drinking water?

Yes, metal pipes, particularly copper and stainless steel pipes, are commonly used in plumbing systems for potable (drinking) water. Copper pipes are valued for their excellent corrosion resistance and heat conductivity, making them suitable for delivering clean and safe drinking water.

How can I make my use of metal pipes more environmentally friendly?

To make the use of metal pipes more environmentally friendly:

  • Choose recycled materials when possible.
  • Optimize energy efficiency in production.
  • Prioritize recycling over disposal.
  • Use eco-friendly coatings and corrosion protection.
  • Adhere to environmental regulations and standards.

Can metal pipes withstand extreme temperatures?

Certain types of metal pipes, such as stainless steel pipes and those with nickel alloys, are designed to withstand extremely high and low temperatures. These are commonly used in industries with demanding temperature requirements, such as aerospace and chemical processing.

Are there specific types of metal pipes for marine applications?

Yes, bronze and stainless steel pipes are often chosen for marine applications due to their excellent resistance to corrosion in saltwater environments. These materials are commonly used for boat components and offshore structures.

How should I store and transport metal pipes before installation?

Proper storage is crucial to prevent damage and contamination. Store metal pipes in a dry, covered area away from direct sunlight, and use protective covers to shield them from debris during transport.

Can I apply anti-corrosion coatings to existing metal pipes?

Yes, anti-corrosion coatings can be applied to existing metal pipes if the surface is prepared correctly. Surface cleaning and treatment are essential for the adhesion and effectiveness of coatings.

Are there safety precautions I should take when handling metal pipes?

Yes, safety precautions include wearing appropriate personal protective equipment (PPE), using lifting equipment for heavy metal pipes, and following safe practices when welding or cutting metal pipes to prevent injuries.

Can old or damaged metal pipes be recycled?

Yes, old or damaged metal pipes can often be recycled. Recycling not only conserves resources but also reduces the environmental impact associated with manufacturing new metal pipes.

How can I properly dispose of metal pipes that are no longer in use?

To dispose of metal pipes, check local regulations and recycling centers. Many areas have designated recycling facilities for metal materials. Proper disposal ensures that metal pipes do not end up in landfills.

Are metal pipes more expensive than other materials like plastic?

The cost of metal pipes can vary depending on factors like the type of metal, size, and application. While metal pipes may have higher upfront costs than plastic alternatives, their durability and longevity often result in cost savings over the long term due to reduced maintenance and replacement needs.

How can I estimate the cost of a metal pipe installation for my project?

To estimate costs, consider factors like material selection, pipe size, labour, and additional requirements such as coatings or insulation. Consult with suppliers or contractors for detailed cost estimates tailored to your project.

What are some signs that my metal pipes need maintenance or repair?

Common signs include visible corrosion, leaks, reduced flow rates, unusual noises, and changes in system performance. Regular inspections can help identify issues early and prevent more significant problems.

Can I repair small leaks in metal pipes, or should I hire a professional?

Small leaks in metal pipes can sometimes be repaired using pipe clamps or epoxy compounds. However, it's advisable to consult a professional plumber or technician for proper evaluation and repair to ensure long-lasting solutions.

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