Steel Tubing - Steel Pipe

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What is Steel Tubing?

Steel tubing refers to square, rectangular and round hollow steel sections with mechanical and structural applications. A steel tube is useful in applications where the outside diameter is the critical dimension.

In such mechanical applications, a steel tube pipe with precise outside diameter measurements becomes the go-to. Precision is essential regardless of steel tube size because it determines the stability of the resultant structure.

Here at Aluminum Warehouse, our collection of steel tubing for sale comes with customisation. You can discuss preferred sizes with our agents, and we’ll deliver steel pipe cut to your exact dimensions.

What to Expect from Our Steel Tubing for Sale

As the leading steel tubing provider in the UK, we only deliver piping that meets structural specifications. Below are the characteristics to expect from our steel tubes:

Varied Shape

We stock a variety of steel pipes to ensure we can meet every customer’s unique needs. Our steel tube pipes can be rectangular, round or square.

Exact Measurements

All of our customers order varying steel tube sizes to meet precise wall thickness and outside diameter dimensions. Here at Aluminum Warehouse, we hold steel tubing to stringent specifications. All of our products undergo strict quality assurance to ensure we meet your preferred outside diameter dimensions. More importantly, we deliver steel tubing in the smallest of sizes.

Application in Fluid Transfer

Steel pipes are hugely useful for moving liquids and gases. Our round steel tubing for sale is efficient enough to handle pressure from liquid and gas flowing through it.

Telescoping Qualities

Our steel piping offerings also come with telescoping qualities. Telescoping means they’re perfect for applications as sleeves or in situations where one material needs to expand inside another.


The steel piping in our collection is rigid and requires designated equipment for shaping. Residents in the UK can bend and shape our steel tubing without worries about fracturing, wrinkling and distortion.


Every steel tube from Aluminum Warehouse comes with the guarantee of increased strength. Our steel tubing is hugely durable and robust enough to work in different mechanical situations.

Our Steel Tube Sizes

We offer a wide range of sizes for rectangular, round and square tubing.

  • For square tubing: Sizes range from 0.500” x 0.500” x 0.065” wall (16 gauge) to 16.000” x 16.000” x 0.625” wall.

  • For rectangular tubing: Sizes range from 1.000” x 0.500” x 0.065” wall (16 gauge) to 20.000” x 12.000” x 0.625” wall.

  • For round tubing: Sizes range from 0.840” O.D. x 0.109” (12 gauge) wall to 16.000” O.D. x 0.500” wall.

Types of Steel Tubes

Just like with other steel products, the forming method determines the properties of finished steel piping. The forming process determines qualities like strength and corrosion resistance.

Using the forming method as a basis for classification, steel tubes can come in different forms:

Welded Steel Tubing

Welded steel tubing comes from rolling strips of steel into tube shapes and then welding the full-length. The next step is to refine the weld seam via cold rolling.

This method for creating steel tubing offers higher metal tolerance and a smooth finish. It’s great for making thin walls on larger-sized diameter tubes. This type of steel tubing is more affordable for residents in the UK and has quicker manufacturing timelines.

Pros of Using a Welded Steel Tube Pipe

  • Offers tighter tolerance

  • Comes at a lower cost

  • Available in long lengths

  • Thin wall applications

Cons of Using a Welded Steel Tube Pipe

  • It May have slight impurities

  • Less corrosion resistance

  • Can’t be used for heavy wall applications

Seamless Steel Tubing

The birth of a seamless steel pipe starts with a hollow mother tube. The manufacturer drills a billet through solid stock before heating and forcing it through a narrow die. Then, it goes through an elongation process to meet predetermined size specifications.

Seamless steel piping can contain high-pressure liquid flow because it doesn’t have a large stress concentration point. Similarly, seamless tubing has a clean surface finish that makes it less susceptible to corrosion. Due to the multiple processes involved in making seamless steel tubing, it’s expensive within the UK.

Pros of Seamless Steel Tubing

  • Increased corrosion resistance

  • Higher durability

  • Higher purity

  • No additional testing

  • Critical structural applications

Cons of Seamless Steel Tubing

  • Higher upfront costs

  • Not effective in thin wall applications

  • Increased lead times

Frequently Asked Questions

Here’s what you need to know:

What is Steel Tubing Used For?

Steel pipe tubing is useful for a range of decorating and functional purposes. In the medical niche, steel tubing is hugely valuable for patient assistance and equipment applications. For the best possible care, medical steel must be highly durable. Many surgical tools and implants have steel tubing components. Even stethoscopes have steel tubing in them.

Steel tube pipes are used for applications that demand fluid transport and high resistance in the aero industry. The military also uses steel piping in weapon and vehicle parts.

You can also use steel tubes of different sizes in construction and architecture. They’re popular for designing railing and stairways. They’re also hugely useful in the industrial sector. Mills, conveyor belts and hydraulic lifts are examples of areas where steel tube piping is functional.

How Strong is Steel Tubing?

The average steel pipe is solid enough for multiple construction applications. It can carry significant weight, even in vehicles. A 16 by 26 square steel tubing can carry up to 103 lbs per foot.