Carbon Mechanical Tubing
CARBON MECHANICAL TUBING
Shapes and sizes to meet all of your needs
Service Steel stocks a complete line of carbon mechanical tubing for multiple applications
Carbon steel mechanical tubing from Service Steel is available in a variety of shapes, diameters, walls, and lengths to meet your application needs. Custom orders are our specialty. Service Steel specializes in the hard to find and/or odd sizes of mild carbon and alloy tubing. Talk to one of our sales associates about your specific application and we’ll cut and ship the right steel tubing at the right price at the right time. We are ready to deliver the specific steel tubing needed for your precise application.
- Hot Rolled Electric Resistance Welded (ERW) to ASTM A513-1
- Cold Rolled Electric Resistance Welded (ERW) to ASTM A513-2
- D.O.M to ASTM A513-5
- Cold Drawn and Hot Finished Seamless to ASTM A519 and A106
- Cold Drawn and Hot Finished Alloy 4130 & 4140 Grades
- High Strength Low Alloy

Mechanical and structural tube have a lot in common at first glance.
What makes steel tubing mechanical or structural? The difference between the two types of tubing shows most clearly in their properties and their applications. Here’s how manufacturers classify these two types of tubing based on their end use.
SHAPES
Both mechanical & structural tubing can be shaped as rounds, squares, and rectangles. Additionally, mechanical tubing can be found in a variety of other shapes).

MEASUREMENT
Both mechanical and structural tubing are measured by inside dimensions (I.D.), outside dimensions (O.D.), and gauge (wall thickness).
COMPOSITION
Both mechanical & structural tubing can be made of:
- Carbon steel
- Stainless steel
- Galvanized steel
- Other steel alloys
… as long as the material is strong enough to stand up to stressful structural use.
TOLERANCE & SPECIFICATIONS

FABRICATION
Both mechanical & structural tubing can be fabricated after production. This can include cutting, drilling, punching, bending, stamping, welding, and other secondary services.
APPLICATIONS

The main difference between mechanical and structural tubular steel products is how they’re used.
Mechanical tubing is used in a variety of applications that require specific measurements, as well as in very low-stress structural applications.
Mechanical tubing is most often used in machinery and tools for all industries, from automotive to agriculture. Other common uses for mechanical tubing include:
- Solar Panel Supports
- Conveyor Belt Components
- Industrial Machinery
- Playground Equipment
- Greenhouse Structures
- Restaurant, Kitchen, & Food Service Parts
- Hospital Beds & Medical Equipment
- Canopies and Other Recreational Stands
- Home & Garden Tools
Structural tubing is used in more high-stress, long-term, corrosive structural applications, such as:
- Infrastructure (Roads, Bridges, Buildings)
- Construction & Construction Equipment
- Sign Supports
- Drilling & Underwater Platforms
- Roll Cages
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