Why 1 3 8 Steel Tubing Is the Unsung Hero of Modern Construction

When it comes to building things that last, materials matter. And few materials deliver the strength, versatility, and reliability of 1 3/8 steel tubing. Whether you’re a DIY enthusiast crafting custom furniture or a professional engineer working on structural frameworks, this unassuming yet powerful component is a game-changer. Let’s break down what makes it so special.

What Makes It Stand Out?

With an outer diameter of 1.375 inches, 1 3/8 steel tubing hits a sweet spot between durability and workability. Its uniform shape and high tensile strength make it ideal for applications where both precision and resilience are non-negotiable. The tubing is often cold-rolled or hot-finished, ensuring consistent wall thickness and a smooth surface ready for welding, painting, or powder coating. Plus, it’s available in various grades—like ASTM A500 or A513—so you can tailor your choice to the demands of your project.

Performance You Can Count On

From handrails and gate frames to machinery parts and outdoor structures, this tubing excels under pressure. Its hollow design reduces weight without compromising structural integrity, making it easier to handle and install while keeping material costs in check. The corrosion-resistant variants, especially when galvanized or powder-coated, stand up to harsh weather and heavy use, ensuring your creation stays sturdy and sharp for years.

Real-World User Experience

Take it from those who’ve put it to the test:

• Mark, a custom fabricator: “I use 1 3/8 tubing for everything from retail displays to motorcycle frames. It’s easy to cut, bend, and weld—saves me time and looks flawless every time.”
• Lisa, a home DIYer: “I built a pergola for my backyard with this stuff. Light enough for me to manage solo, but tough as nails. Two seasons in, and it hasn’t budged an inch.”

Whether you’re engineering for performance or crafting for style, 1 3/8 steel tubing brings strength, adaptability, and peace of mind to the table. It’s the kind of material that quietly does its job—and does it brilliantly.

Next time you’re planning a build, think big. But build with 1 3/8.

HEBEI GAIN TRADING CO.,LTD” is the subcomany of Hebei Wanda Malleable Iron Corp.,Ltd ,which was established in 1997. We are leading