“Tubulars” is a broad term that generally refers to a range of tubular products in the form of pipes or tubes. These may include pipes of different shapes, sizes, and materials, such as steel pipes, casing, tubing, and other hollow cylindrical structures.
Tubulars find extensive use in various industries, including oil and gas, construction, and manufacturing, where their cylindrical form is essential for conveying fluids, structural support, or other specific applications.
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Square steel tubing, sometimes referred to as steel square tubes or steel square hollow sections, is characterized by its square cross-sectional shape, serving structural and maintenance needs in construction projects.
Rectangular steel tubing, formed from welded coils, boasts a box-like structure enhancing strength for construction and frame projects. Vital across industries, these hollow tubes, measured by outside dimensions and wall thickness, offer exceptional rigidity and strength, crucial for diverse applications in various sectors.
Hollow steel sections designed for structural and non-structural applications where strength, durability, and ease of installation are essential without the added weight of heavy-gauge materials. Manufactured with thinner wall thicknesses, they are easier to transport, handle, and install while still providing reliable load-bearing capacity for light to medium-duty projects.
Square and rectangular tubes cover a comprehensive size range — 1/2″x1/2″ to 12″x12″ square, 3/4″x1-1/2″ to 4″x10″ rectangular — with wall thicknesses from 0.70mm to 12.00mm in standard and ZAM-coated variants. Download the 2026 Product Handbook for the complete size and weight matrix.
Access all square tube (1/2"x1/2" to 12"x12") and rectangular tube (3/4"x1-1/2" to 4"x10") size-thickness combinations — mass per meter and weight per 6m for ASTM A-500 Gr.B/Q235 and ZAM (JIS G3323) variants.
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Common Questions
Tubulars are commonly made from carbon steel, galvanized steel, and stainless steel. These materials offer varying levels of strength, corrosion resistance, and durability, making them suitable for a wide range of industrial and structural applications.
Steel tubulars are available in various shapes, including round, square, and rectangular. Each shape is suited for different structural and industrial applications, depending on strength and design requirements.
Regan Industrial offers square tubes, rectangular tubes, and lightweight steel tubes, providing versatile options for construction, fabrication, and general-purpose use depending on strength and design requirements. Contact our team to learn more.
Yes, tubular steel products offer good corrosion resistance, especially when specifically treated, coated, or alloyed. Options like galvanized, coated, or stainless steel tubulars provide enhanced protection against rust, making them suitable for various environmental and industrial conditions.
Looking for a specific square or rectangular tube size, wall thickness, or ZAM-coated variant for corrosion resistance? Our Sales Team can confirm ASTM A-500 / Q235 and ZAM (JIS G3323) stock, pricing, and delivery across the Philippines — fast and with no runaround.
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