Rectangle Steel Tubing — Cut to Size & Shipped Fast

Get the exact steel you need — cut to your length with no waste or extra work.

Our rectangle steel tubing is available in multiple sizes and wall thicknesses, with every piece cut to order and ready for fabrication, construction, and repair.

🔥 FREE SHIPPING — NO MINIMUM — SHIPS IN 1–3 DAYS

✔ Cut to your exact length — no waste
✔ Made from USA steel (A500 Grade B / A513)
✔ Strong rectangular profile for added rigidity
✔ Easy to weld, cut, drill, and machine
✔ Bulk discounts available — buy more & save
✔ In stock and ready to ship

Ideal for frames, trailers, supports, equipment builds, truck beds, and structural applications where strength and rigidity are required.

✔ Thousands of pieces cut and shipped every week

Material Specifications

• Material: Mild Carbon Steel
• Grades: ASTM A500 Grade B or ASTM A513 (depending on size)
• Finish: Raw / mill finish (may include mill scale, light oil, or surface rust)
• Cut Tolerance: ±1/8"
• Corner Radius: Typically up to 3× wall thickness
• Origin: Made in the USA