A500/A513 Carbon Steel Square Tubing 2.5in x 0.12in x 36in vs OnlineMetals A500/A513 carbon steel square tube, 1.5" x 0.065" wall, 36"

Overall winner: A500/A513 Carbon Steel Square Tubing 2.5in x 0.12in x 36in

Key Differences

Product A is a heavier-wall, larger-section square tube (2.5" x 0.12") and lists a lower price tier; pick A when you need greater strength, weldability and slightly better value. Product B is a narrower, thinner-wall tube (1.5" x 0.065") suited for lighter structural frameworks where a smaller profile is preferred

OnlineMetals A500/A513 carbon steel square tube, 1.5" x 0.065" wall, 36"

OnlineMetals A500/A513 carbon steel square tube, 1.5" x 0.065" wall, 36"

Online Metals • ★ 3.9/5 • Budget

Square carbon steel tube for structural framing and supports. Durable, suitable for commercial and hobbyist projects; customers cite good quality and value, with mixed rust reports

Pros

  • high-strength carbon steel
  • structural integrity for frameworks
  • suitable for machine supports
  • works for architectural metals (commercial and hobbyist)

Cons

  • mixed rust resistance reports
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Head-to-Head

CriteriaWinner
Price Online Metals
Durability Online Metals
Versatility Online Metals
User Reviews Tie