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Drawn Over Mandrel Thin Wall Steel Tube Steel Tubing

Material

Drawn over mandrel (DOM) thin wall steel tubes are made from high-quality steel, which is cold-drawn over a mandrel to create a tube with a high level of precision, strength, and smooth internal surface. This process gives the tubing uniform dimensions and excellent concentricity.

Specification

DOM steel tubing is often specified for applications requiring tight tolerances, high strength, and excellent surface quality. The specifications can vary, but common specifications include:

Wall Thickness: Typically ranging from 0.035 inches to 0.5 inches.

Outside Diameter: Ranging from 0.125 inches to 8 inches.

Length: Customizable according to requirements.

Key Features

High Precision: Accurate dimensions with tight tolerances.

Smooth Surface: Both internally and externally.

Increased Strength: Due to cold drawing and work hardening.

Excellent Concentricity: Ensures even distribution of stress.

Good Weldability: Can be welded with minimal distortion.

Chemical Composition

Here is a typical chemical composition for DOM steel tubing:

Mechanical Properties

The mechanical properties of DOM steel tubing vary with the grade and treatment but generally offer high strength and durability. Here's an example of the mechanical properties:

Physical Properties

The physical properties of DOM steel tubing are significant for various applications:

Process Performance

DOM steel tubing undergoes various treatments and processes for improved performance:

Steel Grade

Common steel grades used for DOM steel tubing include:

1018: Low-carbon steel with good formability.

1020: Similar to 1018 but with slightly higher carbon content.

1026: Offers more strength and hardness.

Application

DOM steel tubing is used in a variety of industries due to its strength, precision, and versatility:

Automotive: For suspension components, drive shafts, and exhaust systems.

Machinery: Used in hydraulic cylinders and equipment frames.

Construction: For structural elements and handrails.

Medical Equipment: In precision instruments and equipment.

Possible Alternative Grades

While DOM steel tubing is versatile, there are alternative grades to consider for specific applications:

4130: Chromoly steel offering higher strength.

4140: Alloy steel with better fatigue resistance.

304 Stainless Steel: For corrosion-resistant applications.

We will continue to create high-quality products for industry users under the guidance of our business philosophy, make unremitting efforts for the development of St52 Cold Drawn ERW Steel Tube industry, and continue to strive to help customers achieve more profits. Based on the competency based human resource management theory and employee quality model, we put forward the design ideas and methods of skills and competency compensation system. We not only integrate responsible care into our development goals and business policies, but also promote it to our partners and other industries in society, so as to promote the sustainable development of the chemical industry through achieving win-win situation.

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