Delicate Wall Straight Welded Steel Tube

Precision Engineered: The Delicate Wall Straight Welded Steel Tube

For applications demanding a superior strength-to-weight ratio and precise dimensional tolerances, the Delicate Wall Straight Welded Steel Tube represents the pinnacle of modern tubular manufacturing. This product category, often referred to interchangeably with terms like Light Wall Longitudinal Welded Steel Tube or Slim Wall Straight Seam Welded Pipe, is engineered for scenarios where material efficiency and structural integrity are paramount. The manufacturing process involves forming steel strip or plate and welding it along a single longitudinal seam, resulting in a product with a consistent, thin wall profile. This makes it an ideal alternative to heavier, more cumbersome piping in many structural and mechanical frameworks. Industries seeking reliable fluid conveyance or lightweight structural components frequently specify Low Thickness Longitudinal Welded Tube for its excellent performance. When exceptional surface finish and tight tolerance are required, a Fine Wall Straight Seam Steel Pipe is often the specified choice, ensuring seamless integration into high-precision assemblies.

The Delicate Wall Straight Welded Steel Tube is distinguished by its meticulously controlled production parameters. It is fabricated from high-quality, low-carbon or alloy steel, which is cold-formed to achieve its precise shape before undergoing advanced welding techniques like High-Frequency Induction (HFI) welding or Laser welding. This ensures a clean, strong, and virtually seamless weld bead. Following welding, the tubes can undergo various finishing processes, including sizing, straightening, heat treatment for stress relief, and non-destructive testing to guarantee flawless integrity. The key advantage of the Delicate Wall Straight Welded Steel Tube lies in its optimized geometry, providing substantial load-bearing capacity and pressure resistance while minimizing overall weight and material usage. This makes it a cost-effective and performance-driven solution.

Technical Specifications & Parameters

The Delicate Wall Straight Welded Steel Tube is available in a comprehensive range of specifications to meet diverse project requirements. Below are the standard and common parameters.

Primary Material Grades & Standards

• ASTM A500: Grade B, Grade C (Structural Tubing)
• ASTM A513: Type 1, Type 2, Type 5 (Mechanical Tubing)
• EN 10219: S235JR, S275JR, S355JR (Cold Formed Structural Hollow Sections)
• JIS G3444: STK400, STK500 (Carbon Steel Tubes for General Structural Purposes)

Standard Dimension Ranges

Key Mechanical Properties (Typical for ASTM A500 Grade B)

• Tensile Strength: Min. 400 MPa (58,000 psi)
• Yield Strength: Min. 290 MPa (42,000 psi)
• Elongation: Min. 21% (in 50mm / 2in)

Available Finishes & Treatments

• As-Welded & Slightly Oiled: Standard mill finish.
• Pickled & Oiled: Removes scale for a cleaner surface.
• Galvanized (Hot-Dip or Electro): Zinc coating for superior corrosion resistance.
• Powder Coated or Painted: Custom colors and enhanced protection.
• Phosphated or Black Oxidized: For paint adhesion or aesthetic appeal.

Common Applications by Industry