A36 Round Seamless Carbon Steel Round Tube

Discover the superior quality of our carbon steel tubes, engineered for durability and performance. Our seamless steel tubes are ideal for structural applications, offering exceptional strength and reliability. Explore our range of round steel tubes, designed to meet rigorous industry standards. For precision and versatility, our A36 steel products are the top choice among professionals. These seamless pipes ensure leak-proof performance and are widely used in construction and manufacturing.


The A36 Round Seamless Carbon Steel Round Tube is a hallmark of excellence in metal fabrication. It boasts a uniform composition and smooth surface, making it perfect for high-stress environments. With excellent weldability and formability, this tube adapts to various project requirements while maintaining structural integrity. Its resistance to corrosion and wear extends service life, reducing maintenance costs. Industries rely on it for frameworks, supports, and mechanical components due to its consistent quality and dependable performance.

Product Specifications

  • Material: A36 Carbon Steel
  • Type: Seamless
  • Shape: Round
  • Standard: ASTM A36
  • Surface: Plain or Galvanized
Outer Diameter (inches) Wall Thickness (inches) Length (feet) Weight per Foot (lbs)
0.5 0.065 20 0.25
1 0.083 20 0.85
2 0.109 20 2.17
3 0.120 20 3.65
4 0.134 20 5.41

Key Features

  • High tensile strength for heavy-duty applications
  • Seamless design prevents weak points and enhances durability
  • Excellent machinability and weldability
  • Resistant to environmental corrosion
  • Complies with ASTM A36 standards for quality assurance

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