Hot Rolled Round Tubes

Hot Rolled Round Tubes

Hot Rolled Round Tubes

Hot Rolled Round Tubes are manufactured from flat-rolled steel that is formed into a tubular shape and welded using the Electric Resistance Welding (ERW) process. This method preserves material properties and creates a uniform structure without irregularities. Available in a wide range of diameters with relatively thin walls, these tubes are ideal for structural and mechanical applications requiring strength and lightness.

  • A513 / A519
  • Carbon Steel
  • ERW Process
  • Excellent Weldability

Overview

Hot Rolled Round Tubes are essential structural components manufactured from flat-rolled basic oxygen steel. The production process involves forming the steel into a precise tubular shape, followed by welding using the electric resistance method. This advanced welding technique ensures no loss of material properties and creates a uniform structure without irregularities, making these tubes reliable for demanding applications. Available in a comprehensive range of diameters, Hot Rolled Round Tubes are specifically designed with relatively thin walls, offering an excellent balance of strength and weight. For tubing measuring 1-1/4" OD and larger, internal flash is meticulously controlled to a maximum height of .010 inches, while smaller diameters typically contain flash. These tubes serve as fundamental building blocks for various projects requiring robust metal supply in Los Angeles, from structural frameworks to fencing systems. Their versatility makes them suitable for construction professionals, metal fabricators, and industrial contractors throughout the Los Angeles area who need reliable materials for structural tubing applications and mechanical projects. When you need consistent quality and reliable performance for your construction metal needs in Los Angeles, Hot Rolled Round Tubes provide the structural integrity and dimensional stability required for successful project completion across commercial, industrial, and infrastructure applications.

Specifications

Common Standards
ASTM A513 (Mechanical), ASTM A519
Manufacturing Process
Hot-Rolled, Electric Resistance Welded (ERW)
Diameter Range (OD)
0.5" to 12"
Wall Thickness Range
0.035" to 0.25" (typically 0.065" to 0.18")
Length
20' standard (custom lengths available)
Tolerances
0.005" OD, 10% wall thickness
Flash Control
0.010" for tubing 1.25" OD
Values may vary by mill & heat; verify against the MTR for your order.

Applications

  • Structural frameworks and supports
  • Fence pipe and galvanized steel fence posts
  • Handrail and guardrail systems
  • Mechanical components and machinery
  • Automotive and transportation equipment
  • Agricultural equipment manufacturing
  • Industrial racking and storage systems
  • Construction and architectural applications

Weldability

  • Excellent weldability using MIG, TIG, Stick, or Flux-core processes.
  • Select filler material based on wall thickness, joint design, and service requirements.
  • Remove mill scale from the weld area for optimal results.
  • The ERW seam is weldable and can be integrated with additional fabrication welding.

How to Measure & Specify

Round Tube Measurement Diagram Diagram showing a round hollow tube with arrows indicating outside diameter and wall thickness. O.D. (Outside Diameter) Wall

To specify a Round Tube:

  • Outside Diameter (O.D.): Specify the tube's outer diameter in inches (e.g., 2.0").
  • Wall Thickness (WT): Specify in inches or gauge (e.g., 0.125" or 11 ga).
  • Length: Required length in feet (e.g., 20').
  • Grade: Specify standard (e.g., ASTM A513).
  • Full Spec Example: "2.0" OD x 0.125" wall x 20' length, ASTM A513"

Measurement Tip: Measure across the outside of the tube to get the O.D. Wall thickness is measured at any point around the circumference.

Order Checklist

  • Outside Diameter (O.D.): Specify in inches
  • Wall Thickness: Specify in inches or gauge
  • Grade/Standard: A513, A519, or other
  • Quantity: Number of pieces or total linear feet
  • Length: Desired length per piece (standard or custom)
  • Cutting Instructions: Tolerance requirements, bundled, or individual
  • Certifications: Mill Test Reports (MTRs) required (Yes/No)
  • Flash Control: Specify if flash removal is required
  • Finish: As-rolled (mill scale) or specify if cleaned

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