What Are the Different Sizes of Rectangular Tubes?
Rectangular tubes come in many sizes, and each size serves a specific job. Buyers often ask about dimensions before they place an order. This guide explains common sizes, wall thickness, and custom options. It also shows how a reliable steel pipe supplier helps you choose well.
How Do We Measure Rectangular Tube Sizes?
1.Width and height define the outer shape of the tube.
2.Wall thickness measures the metal strength of the tube.
3.Length decides how you cut and install the tube.
4.Corner radius affects welding and surface appearance.
5.Tolerance shows the allowed size difference during production.
What Are the Standard Rectangular Tube Sizes?
(1)Small tubes run from 10x15 mm to 100x150 mm.
(2)Medium tubes cover 100x200 mm up to 300x400 mm.
(3)Large tubes reach 400x600 mm and even 800x1200 mm.
(4)Wall thickness ranges from 0.5 mm to 60 mm.
(5)Lengths usually run from 6 meters to 12 meters.
(6)Custom lengths remain available for special projects.
What Sizes Do Square Tubes Use?
① Square tubes start at 10x10 mm and end at 1000x1000 mm.
② Small squares suit furniture frames, rails, and light structures.
③ Large squares support bridges, stadiums, and heavy machinery.
④ Wall thickness for square tubes spans 0.5 mm to 60 mm.
Why Does Size Accuracy Matter?
1．Accurate sizes reduce waste on your production line.
2．Tight tolerances improve welding speed and joint strength.
3．Stable dimensions lower shipping and handling problems.
4．Precise tubes protect your project timeline and budget.
Which Materials and Finishes Do We Offer?
1.We produce black rectangular tube in ERW and HFW styles.
2.We also supply galvanized, pre-galvanized, and spiral welded pipes.
3.Raw materials come from HBIS, Shougang, Baosteel, and TPCO.
4.These state-owned mills guarantee steady chemistry and strength.
Can You Order Custom Sizes?
(1)Yes, we cut tubes to your drawings and specifications.
(2)Our 65 ERW lines handle both small and large orders.
(3)Our engineers check every dimension before we quote.
(4)We adjust wall thickness, length, chamfer, and surface finish.
(5)Wholesale steel pipe buyers enjoy flexible minimum order quantities.
Why Choose Yuantai Derun as Your Steel Pipe Supplier?
① We started in 2002 and operate from Tianjin, China.
② Our factory covers 107 hectares and employs over 2,200 people.
③ We hold ISO9001, ISO14001, CE, BV, JIS, DNV, and ABS certificates.
④ We own more than 100 technical patents for hollow sections.
⑤ We sit near Tianjin New Port, so delivery stays fast.
⑥ Our 5A management system and 3A credit rating build trust.
⑦ We rank among the top 500 manufacturing enterprises in China.
What Services Do We Provide?
1．We answer inquiries within 24 hours and send clear quotes.
2．We offer free samples, technical drawings, and size advice.
3．We arrange inspection, packing, and full export documents.
4．We track every shipment and update you on time.
5．We give after-sales support and solve problems quickly.
6．We build long partnerships with wholesale steel pipe clients.
Rectangular tubes range from 10x15 mm to 800x1200 mm. Wall thickness runs from 0.5 mm to 60 mm, and lengths stay customizable. Yuantai Derun manufactures every size to global standards. We combine scale, certifications, and service for your project. You are warmly welcome to purchase our products today. Contact us now for a fast quote and reliable supply.
